0ccaba2a05
Summary: rocksdb.estimate-num-keys is compute from `estimate_num_keys - 2 * estimate_num_deletes`. If `2 * estimate_num_deletes > estimate_num_keys` it will underflow. Fixing it. Closes https://github.com/facebook/rocksdb/pull/2348 Differential Revision: D5109272 Pulled By: yiwu-arbug fbshipit-source-id: e1bfb91346a59b7282a282b615002507e9d7c246
1323 lines
48 KiB
C++
1323 lines
48 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include <stdio.h>
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#include <algorithm>
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#include <string>
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#include "db/db_test_util.h"
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#include "port/stack_trace.h"
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#include "rocksdb/options.h"
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#include "rocksdb/perf_context.h"
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#include "rocksdb/perf_level.h"
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#include "rocksdb/table.h"
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#include "util/random.h"
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#include "util/string_util.h"
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namespace rocksdb {
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class DBPropertiesTest : public DBTestBase {
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public:
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DBPropertiesTest() : DBTestBase("/db_properties_test") {}
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};
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#ifndef ROCKSDB_LITE
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TEST_F(DBPropertiesTest, Empty) {
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do {
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Options options;
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options.env = env_;
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options.write_buffer_size = 100000; // Small write buffer
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options.allow_concurrent_memtable_write = false;
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options = CurrentOptions(options);
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CreateAndReopenWithCF({"pikachu"}, options);
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std::string num;
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ASSERT_TRUE(dbfull()->GetProperty(
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handles_[1], "rocksdb.num-entries-active-mem-table", &num));
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ASSERT_EQ("0", num);
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ASSERT_OK(Put(1, "foo", "v1"));
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ASSERT_EQ("v1", Get(1, "foo"));
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ASSERT_TRUE(dbfull()->GetProperty(
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handles_[1], "rocksdb.num-entries-active-mem-table", &num));
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ASSERT_EQ("1", num);
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// Block sync calls
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env_->delay_sstable_sync_.store(true, std::memory_order_release);
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Put(1, "k1", std::string(100000, 'x')); // Fill memtable
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ASSERT_TRUE(dbfull()->GetProperty(
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handles_[1], "rocksdb.num-entries-active-mem-table", &num));
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ASSERT_EQ("2", num);
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Put(1, "k2", std::string(100000, 'y')); // Trigger compaction
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ASSERT_TRUE(dbfull()->GetProperty(
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handles_[1], "rocksdb.num-entries-active-mem-table", &num));
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ASSERT_EQ("1", num);
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ASSERT_EQ("v1", Get(1, "foo"));
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// Release sync calls
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env_->delay_sstable_sync_.store(false, std::memory_order_release);
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ASSERT_OK(db_->DisableFileDeletions());
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ASSERT_TRUE(
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dbfull()->GetProperty("rocksdb.is-file-deletions-enabled", &num));
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ASSERT_EQ("1", num);
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ASSERT_OK(db_->DisableFileDeletions());
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ASSERT_TRUE(
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dbfull()->GetProperty("rocksdb.is-file-deletions-enabled", &num));
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ASSERT_EQ("2", num);
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ASSERT_OK(db_->DisableFileDeletions());
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ASSERT_TRUE(
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dbfull()->GetProperty("rocksdb.is-file-deletions-enabled", &num));
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ASSERT_EQ("3", num);
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ASSERT_OK(db_->EnableFileDeletions(false));
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ASSERT_TRUE(
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dbfull()->GetProperty("rocksdb.is-file-deletions-enabled", &num));
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ASSERT_EQ("2", num);
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ASSERT_OK(db_->EnableFileDeletions());
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ASSERT_TRUE(
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dbfull()->GetProperty("rocksdb.is-file-deletions-enabled", &num));
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ASSERT_EQ("0", num);
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} while (ChangeOptions());
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}
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TEST_F(DBPropertiesTest, CurrentVersionNumber) {
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uint64_t v1, v2, v3;
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ASSERT_TRUE(
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dbfull()->GetIntProperty("rocksdb.current-super-version-number", &v1));
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Put("12345678", "");
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ASSERT_TRUE(
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dbfull()->GetIntProperty("rocksdb.current-super-version-number", &v2));
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Flush();
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ASSERT_TRUE(
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dbfull()->GetIntProperty("rocksdb.current-super-version-number", &v3));
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ASSERT_EQ(v1, v2);
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ASSERT_GT(v3, v2);
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}
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TEST_F(DBPropertiesTest, GetAggregatedIntPropertyTest) {
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const int kKeySize = 100;
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const int kValueSize = 500;
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const int kKeyNum = 100;
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Options options;
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options.env = env_;
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options.create_if_missing = true;
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options.write_buffer_size = (kKeySize + kValueSize) * kKeyNum / 10;
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// Make them never flush
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options.min_write_buffer_number_to_merge = 1000;
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options.max_write_buffer_number = 1000;
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options = CurrentOptions(options);
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CreateAndReopenWithCF({"one", "two", "three", "four"}, options);
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Random rnd(301);
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for (auto* handle : handles_) {
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for (int i = 0; i < kKeyNum; ++i) {
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db_->Put(WriteOptions(), handle, RandomString(&rnd, kKeySize),
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RandomString(&rnd, kValueSize));
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}
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}
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uint64_t manual_sum = 0;
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uint64_t api_sum = 0;
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uint64_t value = 0;
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for (auto* handle : handles_) {
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ASSERT_TRUE(
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db_->GetIntProperty(handle, DB::Properties::kSizeAllMemTables, &value));
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manual_sum += value;
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}
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ASSERT_TRUE(db_->GetAggregatedIntProperty(DB::Properties::kSizeAllMemTables,
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&api_sum));
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ASSERT_GT(manual_sum, 0);
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ASSERT_EQ(manual_sum, api_sum);
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ASSERT_FALSE(db_->GetAggregatedIntProperty(DB::Properties::kDBStats, &value));
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uint64_t before_flush_trm;
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uint64_t after_flush_trm;
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for (auto* handle : handles_) {
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ASSERT_TRUE(db_->GetAggregatedIntProperty(
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DB::Properties::kEstimateTableReadersMem, &before_flush_trm));
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// Issue flush and expect larger memory usage of table readers.
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db_->Flush(FlushOptions(), handle);
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ASSERT_TRUE(db_->GetAggregatedIntProperty(
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DB::Properties::kEstimateTableReadersMem, &after_flush_trm));
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ASSERT_GT(after_flush_trm, before_flush_trm);
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}
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}
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namespace {
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void ResetTableProperties(TableProperties* tp) {
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tp->data_size = 0;
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tp->index_size = 0;
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tp->filter_size = 0;
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tp->raw_key_size = 0;
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tp->raw_value_size = 0;
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tp->num_data_blocks = 0;
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tp->num_entries = 0;
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}
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void ParseTablePropertiesString(std::string tp_string, TableProperties* tp) {
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double dummy_double;
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std::replace(tp_string.begin(), tp_string.end(), ';', ' ');
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std::replace(tp_string.begin(), tp_string.end(), '=', ' ');
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ResetTableProperties(tp);
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sscanf(tp_string.c_str(),
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"# data blocks %" SCNu64 " # entries %" SCNu64 " raw key size %" SCNu64
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" raw average key size %lf "
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" raw value size %" SCNu64
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" raw average value size %lf "
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" data block size %" SCNu64 " index block size %" SCNu64
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" filter block size %" SCNu64,
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&tp->num_data_blocks, &tp->num_entries, &tp->raw_key_size,
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&dummy_double, &tp->raw_value_size, &dummy_double, &tp->data_size,
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&tp->index_size, &tp->filter_size);
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}
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void VerifySimilar(uint64_t a, uint64_t b, double bias) {
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ASSERT_EQ(a == 0U, b == 0U);
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if (a == 0) {
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return;
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}
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double dbl_a = static_cast<double>(a);
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double dbl_b = static_cast<double>(b);
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if (dbl_a > dbl_b) {
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ASSERT_LT(static_cast<double>(dbl_a - dbl_b) / (dbl_a + dbl_b), bias);
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} else {
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ASSERT_LT(static_cast<double>(dbl_b - dbl_a) / (dbl_a + dbl_b), bias);
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}
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}
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void VerifyTableProperties(const TableProperties& base_tp,
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const TableProperties& new_tp,
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double filter_size_bias = 0.1,
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double index_size_bias = 0.1,
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double data_size_bias = 0.1,
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double num_data_blocks_bias = 0.05) {
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VerifySimilar(base_tp.data_size, new_tp.data_size, data_size_bias);
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VerifySimilar(base_tp.index_size, new_tp.index_size, index_size_bias);
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VerifySimilar(base_tp.filter_size, new_tp.filter_size, filter_size_bias);
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VerifySimilar(base_tp.num_data_blocks, new_tp.num_data_blocks,
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num_data_blocks_bias);
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ASSERT_EQ(base_tp.raw_key_size, new_tp.raw_key_size);
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ASSERT_EQ(base_tp.raw_value_size, new_tp.raw_value_size);
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ASSERT_EQ(base_tp.num_entries, new_tp.num_entries);
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}
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void GetExpectedTableProperties(TableProperties* expected_tp,
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const int kKeySize, const int kValueSize,
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const int kKeysPerTable, const int kTableCount,
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const int kBloomBitsPerKey,
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const size_t kBlockSize) {
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const int kKeyCount = kTableCount * kKeysPerTable;
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const int kAvgSuccessorSize = kKeySize / 5;
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const int kEncodingSavePerKey = kKeySize / 4;
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expected_tp->raw_key_size = kKeyCount * (kKeySize + 8);
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expected_tp->raw_value_size = kKeyCount * kValueSize;
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expected_tp->num_entries = kKeyCount;
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expected_tp->num_data_blocks =
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kTableCount *
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(kKeysPerTable * (kKeySize - kEncodingSavePerKey + kValueSize)) /
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kBlockSize;
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expected_tp->data_size =
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kTableCount * (kKeysPerTable * (kKeySize + 8 + kValueSize));
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expected_tp->index_size =
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expected_tp->num_data_blocks * (kAvgSuccessorSize + 8);
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expected_tp->filter_size =
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kTableCount * (kKeysPerTable * kBloomBitsPerKey / 8);
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}
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} // anonymous namespace
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TEST_F(DBPropertiesTest, ValidatePropertyInfo) {
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for (const auto& ppt_name_and_info : InternalStats::ppt_name_to_info) {
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// If C++ gets a std::string_literal, this would be better to check at
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// compile-time using static_assert.
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ASSERT_TRUE(ppt_name_and_info.first.empty() ||
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!isdigit(ppt_name_and_info.first.back()));
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ASSERT_TRUE((ppt_name_and_info.second.handle_string == nullptr) !=
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(ppt_name_and_info.second.handle_int == nullptr));
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}
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}
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TEST_F(DBPropertiesTest, ValidateSampleNumber) {
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// When "max_open_files" is -1, we read all the files for
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// "rocksdb.estimate-num-keys" computation, which is the ground truth.
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// Otherwise, we sample 20 newest files to make an estimation.
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// Formula: lastest_20_files_active_key_ratio * total_files
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Options options = CurrentOptions();
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options.disable_auto_compactions = true;
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options.level0_stop_writes_trigger = 1000;
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DestroyAndReopen(options);
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int key = 0;
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for (int files = 20; files >= 10; files -= 10) {
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for (int i = 0; i < files; i++) {
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int rows = files / 10;
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for (int j = 0; j < rows; j++) {
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db_->Put(WriteOptions(), std::to_string(++key), "foo");
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}
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db_->Flush(FlushOptions());
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}
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}
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std::string num;
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Reopen(options);
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.estimate-num-keys", &num));
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ASSERT_EQ("45", num);
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options.max_open_files = -1;
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Reopen(options);
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.estimate-num-keys", &num));
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ASSERT_EQ("50", num);
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}
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TEST_F(DBPropertiesTest, AggregatedTableProperties) {
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for (int kTableCount = 40; kTableCount <= 100; kTableCount += 30) {
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const int kKeysPerTable = 100;
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const int kKeySize = 80;
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const int kValueSize = 200;
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const int kBloomBitsPerKey = 20;
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Options options = CurrentOptions();
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options.level0_file_num_compaction_trigger = 8;
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options.compression = kNoCompression;
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options.create_if_missing = true;
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BlockBasedTableOptions table_options;
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table_options.filter_policy.reset(
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NewBloomFilterPolicy(kBloomBitsPerKey, false));
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table_options.block_size = 1024;
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options.table_factory.reset(new BlockBasedTableFactory(table_options));
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DestroyAndReopen(options);
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Random rnd(5632);
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for (int table = 1; table <= kTableCount; ++table) {
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for (int i = 0; i < kKeysPerTable; ++i) {
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db_->Put(WriteOptions(), RandomString(&rnd, kKeySize),
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RandomString(&rnd, kValueSize));
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}
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db_->Flush(FlushOptions());
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}
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std::string property;
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db_->GetProperty(DB::Properties::kAggregatedTableProperties, &property);
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TableProperties expected_tp;
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GetExpectedTableProperties(&expected_tp, kKeySize, kValueSize,
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kKeysPerTable, kTableCount, kBloomBitsPerKey,
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table_options.block_size);
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TableProperties output_tp;
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ParseTablePropertiesString(property, &output_tp);
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VerifyTableProperties(expected_tp, output_tp);
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}
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}
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TEST_F(DBPropertiesTest, ReadLatencyHistogramByLevel) {
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Options options = CurrentOptions();
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options.write_buffer_size = 110 << 10;
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options.level0_file_num_compaction_trigger = 6;
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options.num_levels = 4;
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options.compression = kNoCompression;
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options.max_bytes_for_level_base = 4500 << 10;
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options.target_file_size_base = 98 << 10;
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options.max_write_buffer_number = 2;
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options.statistics = rocksdb::CreateDBStatistics();
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options.max_open_files = 100;
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BlockBasedTableOptions table_options;
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table_options.no_block_cache = true;
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CreateAndReopenWithCF({"pikachu"}, options);
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int key_index = 0;
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Random rnd(301);
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for (int num = 0; num < 8; num++) {
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Put("foo", "bar");
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GenerateNewFile(&rnd, &key_index);
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dbfull()->TEST_WaitForCompact();
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}
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dbfull()->TEST_WaitForCompact();
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std::string prop;
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.dbstats", &prop));
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// Get() after flushes, See latency histogram tracked.
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for (int key = 0; key < key_index; key++) {
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Get(Key(key));
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}
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.cfstats", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_NE(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// Reopen and issue Get(). See thee latency tracked
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ReopenWithColumnFamilies({"default", "pikachu"}, options);
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dbfull()->TEST_WaitForCompact();
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for (int key = 0; key < key_index; key++) {
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Get(Key(key));
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}
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ASSERT_TRUE(dbfull()->GetProperty(dbfull()->DefaultColumnFamily(),
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"rocksdb.cf-file-histogram", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_NE(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// Reopen and issue iterating. See thee latency tracked
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ReopenWithColumnFamilies({"default", "pikachu"}, options);
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.cf-file-histogram", &prop));
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ASSERT_EQ(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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{
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unique_ptr<Iterator> iter(db_->NewIterator(ReadOptions()));
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for (iter->Seek(Key(0)); iter->Valid(); iter->Next()) {
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}
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}
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.cf-file-histogram", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_NE(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// CF 1 should show no histogram.
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ASSERT_TRUE(
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dbfull()->GetProperty(handles_[1], "rocksdb.cf-file-histogram", &prop));
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ASSERT_EQ(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// put something and read it back , CF 1 should show histogram.
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Put(1, "foo", "bar");
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Flush(1);
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dbfull()->TEST_WaitForCompact();
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ASSERT_EQ("bar", Get(1, "foo"));
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ASSERT_TRUE(
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dbfull()->GetProperty(handles_[1], "rocksdb.cf-file-histogram", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// options.max_open_files preloads table readers.
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options.max_open_files = -1;
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ReopenWithColumnFamilies({"default", "pikachu"}, options);
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ASSERT_TRUE(dbfull()->GetProperty(dbfull()->DefaultColumnFamily(),
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"rocksdb.cf-file-histogram", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_NE(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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for (int key = 0; key < key_index; key++) {
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Get(Key(key));
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}
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.cfstats", &prop));
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ASSERT_NE(std::string::npos, prop.find("** Level 0 read latency histogram"));
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ASSERT_NE(std::string::npos, prop.find("** Level 1 read latency histogram"));
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ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
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// Clear internal stats
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dbfull()->ResetStats();
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ASSERT_TRUE(dbfull()->GetProperty("rocksdb.cfstats", &prop));
|
|
ASSERT_EQ(std::string::npos, prop.find("** Level 0 read latency histogram"));
|
|
ASSERT_EQ(std::string::npos, prop.find("** Level 1 read latency histogram"));
|
|
ASSERT_EQ(std::string::npos, prop.find("** Level 2 read latency histogram"));
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, AggregatedTablePropertiesAtLevel) {
|
|
const int kTableCount = 100;
|
|
const int kKeysPerTable = 10;
|
|
const int kKeySize = 50;
|
|
const int kValueSize = 400;
|
|
const int kMaxLevel = 7;
|
|
const int kBloomBitsPerKey = 20;
|
|
Random rnd(301);
|
|
Options options = CurrentOptions();
|
|
options.level0_file_num_compaction_trigger = 8;
|
|
options.compression = kNoCompression;
|
|
options.create_if_missing = true;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.target_file_size_base = 8192;
|
|
options.max_bytes_for_level_base = 10000;
|
|
options.max_bytes_for_level_multiplier = 2;
|
|
// This ensures there no compaction happening when we call GetProperty().
|
|
options.disable_auto_compactions = true;
|
|
|
|
BlockBasedTableOptions table_options;
|
|
table_options.filter_policy.reset(
|
|
NewBloomFilterPolicy(kBloomBitsPerKey, false));
|
|
table_options.block_size = 1024;
|
|
options.table_factory.reset(new BlockBasedTableFactory(table_options));
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
std::string level_tp_strings[kMaxLevel];
|
|
std::string tp_string;
|
|
TableProperties level_tps[kMaxLevel];
|
|
TableProperties tp, sum_tp, expected_tp;
|
|
for (int table = 1; table <= kTableCount; ++table) {
|
|
for (int i = 0; i < kKeysPerTable; ++i) {
|
|
db_->Put(WriteOptions(), RandomString(&rnd, kKeySize),
|
|
RandomString(&rnd, kValueSize));
|
|
}
|
|
db_->Flush(FlushOptions());
|
|
db_->CompactRange(CompactRangeOptions(), nullptr, nullptr);
|
|
ResetTableProperties(&sum_tp);
|
|
for (int level = 0; level < kMaxLevel; ++level) {
|
|
db_->GetProperty(
|
|
DB::Properties::kAggregatedTablePropertiesAtLevel + ToString(level),
|
|
&level_tp_strings[level]);
|
|
ParseTablePropertiesString(level_tp_strings[level], &level_tps[level]);
|
|
sum_tp.data_size += level_tps[level].data_size;
|
|
sum_tp.index_size += level_tps[level].index_size;
|
|
sum_tp.filter_size += level_tps[level].filter_size;
|
|
sum_tp.raw_key_size += level_tps[level].raw_key_size;
|
|
sum_tp.raw_value_size += level_tps[level].raw_value_size;
|
|
sum_tp.num_data_blocks += level_tps[level].num_data_blocks;
|
|
sum_tp.num_entries += level_tps[level].num_entries;
|
|
}
|
|
db_->GetProperty(DB::Properties::kAggregatedTableProperties, &tp_string);
|
|
ParseTablePropertiesString(tp_string, &tp);
|
|
ASSERT_EQ(sum_tp.data_size, tp.data_size);
|
|
ASSERT_EQ(sum_tp.index_size, tp.index_size);
|
|
ASSERT_EQ(sum_tp.filter_size, tp.filter_size);
|
|
ASSERT_EQ(sum_tp.raw_key_size, tp.raw_key_size);
|
|
ASSERT_EQ(sum_tp.raw_value_size, tp.raw_value_size);
|
|
ASSERT_EQ(sum_tp.num_data_blocks, tp.num_data_blocks);
|
|
ASSERT_EQ(sum_tp.num_entries, tp.num_entries);
|
|
if (table > 3) {
|
|
GetExpectedTableProperties(&expected_tp, kKeySize, kValueSize,
|
|
kKeysPerTable, table, kBloomBitsPerKey,
|
|
table_options.block_size);
|
|
// Gives larger bias here as index block size, filter block size,
|
|
// and data block size become much harder to estimate in this test.
|
|
VerifyTableProperties(tp, expected_tp, 0.5, 0.4, 0.4, 0.25);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, NumImmutableMemTable) {
|
|
do {
|
|
Options options = CurrentOptions();
|
|
WriteOptions writeOpt = WriteOptions();
|
|
writeOpt.disableWAL = true;
|
|
options.max_write_buffer_number = 4;
|
|
options.min_write_buffer_number_to_merge = 3;
|
|
options.max_write_buffer_number_to_maintain = 4;
|
|
options.write_buffer_size = 1000000;
|
|
CreateAndReopenWithCF({"pikachu"}, options);
|
|
|
|
std::string big_value(1000000 * 2, 'x');
|
|
std::string num;
|
|
uint64_t value;
|
|
SetPerfLevel(kEnableTime);
|
|
ASSERT_TRUE(GetPerfLevel() == kEnableTime);
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k1", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty(handles_[1],
|
|
"rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], DB::Properties::kNumImmutableMemTableFlushed, &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.num-entries-active-mem-table", &num));
|
|
ASSERT_EQ(num, "1");
|
|
perf_context.Reset();
|
|
Get(1, "k1");
|
|
ASSERT_EQ(1, static_cast<int>(perf_context.get_from_memtable_count));
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k2", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty(handles_[1],
|
|
"rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.num-entries-active-mem-table", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.num-entries-imm-mem-tables", &num));
|
|
ASSERT_EQ(num, "1");
|
|
|
|
perf_context.Reset();
|
|
Get(1, "k1");
|
|
ASSERT_EQ(2, static_cast<int>(perf_context.get_from_memtable_count));
|
|
perf_context.Reset();
|
|
Get(1, "k2");
|
|
ASSERT_EQ(1, static_cast<int>(perf_context.get_from_memtable_count));
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k3", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.cur-size-active-mem-table", &num));
|
|
ASSERT_TRUE(dbfull()->GetProperty(handles_[1],
|
|
"rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "2");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.num-entries-active-mem-table", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], "rocksdb.num-entries-imm-mem-tables", &num));
|
|
ASSERT_EQ(num, "2");
|
|
perf_context.Reset();
|
|
Get(1, "k2");
|
|
ASSERT_EQ(2, static_cast<int>(perf_context.get_from_memtable_count));
|
|
perf_context.Reset();
|
|
Get(1, "k3");
|
|
ASSERT_EQ(1, static_cast<int>(perf_context.get_from_memtable_count));
|
|
perf_context.Reset();
|
|
Get(1, "k1");
|
|
ASSERT_EQ(3, static_cast<int>(perf_context.get_from_memtable_count));
|
|
|
|
ASSERT_OK(Flush(1));
|
|
ASSERT_TRUE(dbfull()->GetProperty(handles_[1],
|
|
"rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty(
|
|
handles_[1], DB::Properties::kNumImmutableMemTableFlushed, &num));
|
|
ASSERT_EQ(num, "3");
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.cur-size-active-mem-table", &value));
|
|
// "192" is the size of the metadata of two empty skiplists, this would
|
|
// break if we change the default skiplist implementation
|
|
ASSERT_GE(value, 192);
|
|
|
|
uint64_t int_num;
|
|
uint64_t base_total_size;
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.estimate-num-keys", &base_total_size));
|
|
|
|
ASSERT_OK(dbfull()->Delete(writeOpt, handles_[1], "k2"));
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k3", ""));
|
|
ASSERT_OK(dbfull()->Delete(writeOpt, handles_[1], "k3"));
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.num-deletes-active-mem-table", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.num-entries-active-mem-table", &int_num));
|
|
ASSERT_EQ(int_num, 3U);
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k2", big_value));
|
|
ASSERT_OK(dbfull()->Put(writeOpt, handles_[1], "k2", big_value));
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.num-entries-imm-mem-tables", &int_num));
|
|
ASSERT_EQ(int_num, 4U);
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.num-deletes-imm-mem-tables", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
handles_[1], "rocksdb.estimate-num-keys", &int_num));
|
|
ASSERT_EQ(int_num, base_total_size + 1);
|
|
|
|
SetPerfLevel(kDisable);
|
|
ASSERT_TRUE(GetPerfLevel() == kDisable);
|
|
} while (ChangeCompactOptions());
|
|
}
|
|
|
|
// TODO(techdept) : Disabled flaky test #12863555
|
|
TEST_F(DBPropertiesTest, DISABLED_GetProperty) {
|
|
// Set sizes to both background thread pool to be 1 and block them.
|
|
env_->SetBackgroundThreads(1, Env::HIGH);
|
|
env_->SetBackgroundThreads(1, Env::LOW);
|
|
test::SleepingBackgroundTask sleeping_task_low;
|
|
env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask, &sleeping_task_low,
|
|
Env::Priority::LOW);
|
|
test::SleepingBackgroundTask sleeping_task_high;
|
|
env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask,
|
|
&sleeping_task_high, Env::Priority::HIGH);
|
|
|
|
Options options = CurrentOptions();
|
|
WriteOptions writeOpt = WriteOptions();
|
|
writeOpt.disableWAL = true;
|
|
options.compaction_style = kCompactionStyleUniversal;
|
|
options.level0_file_num_compaction_trigger = 1;
|
|
options.compaction_options_universal.size_ratio = 50;
|
|
options.max_background_compactions = 1;
|
|
options.max_background_flushes = 1;
|
|
options.max_write_buffer_number = 10;
|
|
options.min_write_buffer_number_to_merge = 1;
|
|
options.max_write_buffer_number_to_maintain = 0;
|
|
options.write_buffer_size = 1000000;
|
|
Reopen(options);
|
|
|
|
std::string big_value(1000000 * 2, 'x');
|
|
std::string num;
|
|
uint64_t int_num;
|
|
SetPerfLevel(kEnableTime);
|
|
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-table-readers-mem", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-live-data-size", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k1", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.mem-table-flush-pending", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.compaction-pending", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.estimate-num-keys", &num));
|
|
ASSERT_EQ(num, "1");
|
|
perf_context.Reset();
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k2", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_OK(dbfull()->Delete(writeOpt, "k-non-existing"));
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k3", big_value));
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.num-immutable-mem-table", &num));
|
|
ASSERT_EQ(num, "2");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.mem-table-flush-pending", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.compaction-pending", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.estimate-num-keys", &num));
|
|
ASSERT_EQ(num, "2");
|
|
// Verify the same set of properties through GetIntProperty
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-immutable-mem-table", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.mem-table-flush-pending", &int_num));
|
|
ASSERT_EQ(int_num, 1U);
|
|
ASSERT_TRUE(dbfull()->GetIntProperty("rocksdb.compaction-pending", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
ASSERT_TRUE(dbfull()->GetIntProperty("rocksdb.estimate-num-keys", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-table-readers-mem", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
|
|
sleeping_task_high.WakeUp();
|
|
sleeping_task_high.WaitUntilDone();
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k4", big_value));
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k5", big_value));
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.mem-table-flush-pending", &num));
|
|
ASSERT_EQ(num, "0");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.compaction-pending", &num));
|
|
ASSERT_EQ(num, "1");
|
|
ASSERT_TRUE(dbfull()->GetProperty("rocksdb.estimate-num-keys", &num));
|
|
ASSERT_EQ(num, "4");
|
|
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-table-readers-mem", &int_num));
|
|
ASSERT_GT(int_num, 0U);
|
|
|
|
sleeping_task_low.WakeUp();
|
|
sleeping_task_low.WaitUntilDone();
|
|
|
|
// Wait for compaction to be done. This is important because otherwise RocksDB
|
|
// might schedule a compaction when reopening the database, failing assertion
|
|
// (A) as a result.
|
|
dbfull()->TEST_WaitForCompact();
|
|
options.max_open_files = 10;
|
|
Reopen(options);
|
|
// After reopening, no table reader is loaded, so no memory for table readers
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-table-readers-mem", &int_num));
|
|
ASSERT_EQ(int_num, 0U); // (A)
|
|
ASSERT_TRUE(dbfull()->GetIntProperty("rocksdb.estimate-num-keys", &int_num));
|
|
ASSERT_GT(int_num, 0U);
|
|
|
|
// After reading a key, at least one table reader is loaded.
|
|
Get("k5");
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.estimate-table-readers-mem", &int_num));
|
|
ASSERT_GT(int_num, 0U);
|
|
|
|
// Test rocksdb.num-live-versions
|
|
{
|
|
options.level0_file_num_compaction_trigger = 20;
|
|
Reopen(options);
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-live-versions", &int_num));
|
|
ASSERT_EQ(int_num, 1U);
|
|
|
|
// Use an iterator to hold current version
|
|
std::unique_ptr<Iterator> iter1(dbfull()->NewIterator(ReadOptions()));
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k6", big_value));
|
|
Flush();
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-live-versions", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
|
|
// Use an iterator to hold current version
|
|
std::unique_ptr<Iterator> iter2(dbfull()->NewIterator(ReadOptions()));
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k7", big_value));
|
|
Flush();
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-live-versions", &int_num));
|
|
ASSERT_EQ(int_num, 3U);
|
|
|
|
iter2.reset();
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-live-versions", &int_num));
|
|
ASSERT_EQ(int_num, 2U);
|
|
|
|
iter1.reset();
|
|
ASSERT_TRUE(
|
|
dbfull()->GetIntProperty("rocksdb.num-live-versions", &int_num));
|
|
ASSERT_EQ(int_num, 1U);
|
|
}
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, ApproximateMemoryUsage) {
|
|
const int kNumRounds = 10;
|
|
// TODO(noetzli) kFlushesPerRound does not really correlate with how many
|
|
// flushes happen.
|
|
const int kFlushesPerRound = 10;
|
|
const int kWritesPerFlush = 10;
|
|
const int kKeySize = 100;
|
|
const int kValueSize = 1000;
|
|
Options options;
|
|
options.write_buffer_size = 1000; // small write buffer
|
|
options.min_write_buffer_number_to_merge = 4;
|
|
options.compression = kNoCompression;
|
|
options.create_if_missing = true;
|
|
options = CurrentOptions(options);
|
|
DestroyAndReopen(options);
|
|
|
|
Random rnd(301);
|
|
|
|
std::vector<Iterator*> iters;
|
|
|
|
uint64_t active_mem;
|
|
uint64_t unflushed_mem;
|
|
uint64_t all_mem;
|
|
uint64_t prev_all_mem;
|
|
|
|
// Phase 0. The verify the initial value of all these properties are the same
|
|
// as we have no mem-tables.
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-active-mem-table", &active_mem);
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-all-mem-tables", &unflushed_mem);
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
ASSERT_EQ(all_mem, active_mem);
|
|
ASSERT_EQ(all_mem, unflushed_mem);
|
|
|
|
// Phase 1. Simply issue Put() and expect "cur-size-all-mem-tables" equals to
|
|
// "size-all-mem-tables"
|
|
for (int r = 0; r < kNumRounds; ++r) {
|
|
for (int f = 0; f < kFlushesPerRound; ++f) {
|
|
for (int w = 0; w < kWritesPerFlush; ++w) {
|
|
Put(RandomString(&rnd, kKeySize), RandomString(&rnd, kValueSize));
|
|
}
|
|
}
|
|
// Make sure that there is no flush between getting the two properties.
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-all-mem-tables", &unflushed_mem);
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
// in no iterator case, these two number should be the same.
|
|
ASSERT_EQ(unflushed_mem, all_mem);
|
|
}
|
|
prev_all_mem = all_mem;
|
|
|
|
// Phase 2. Keep issuing Put() but also create new iterators. This time we
|
|
// expect "size-all-mem-tables" > "cur-size-all-mem-tables".
|
|
for (int r = 0; r < kNumRounds; ++r) {
|
|
iters.push_back(db_->NewIterator(ReadOptions()));
|
|
for (int f = 0; f < kFlushesPerRound; ++f) {
|
|
for (int w = 0; w < kWritesPerFlush; ++w) {
|
|
Put(RandomString(&rnd, kKeySize), RandomString(&rnd, kValueSize));
|
|
}
|
|
}
|
|
// Force flush to prevent flush from happening between getting the
|
|
// properties or after getting the properties and before the new round.
|
|
Flush();
|
|
|
|
// In the second round, add iterators.
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-active-mem-table", &active_mem);
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-all-mem-tables", &unflushed_mem);
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
ASSERT_GT(all_mem, active_mem);
|
|
ASSERT_GT(all_mem, unflushed_mem);
|
|
ASSERT_GT(all_mem, prev_all_mem);
|
|
prev_all_mem = all_mem;
|
|
}
|
|
|
|
// Phase 3. Delete iterators and expect "size-all-mem-tables" shrinks
|
|
// whenever we release an iterator.
|
|
for (auto* iter : iters) {
|
|
delete iter;
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
// Expect the size shrinking
|
|
ASSERT_LT(all_mem, prev_all_mem);
|
|
prev_all_mem = all_mem;
|
|
}
|
|
|
|
// Expect all these three counters to be the same.
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-active-mem-table", &active_mem);
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-all-mem-tables", &unflushed_mem);
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
ASSERT_EQ(active_mem, unflushed_mem);
|
|
ASSERT_EQ(unflushed_mem, all_mem);
|
|
|
|
// Phase 5. Reopen, and expect all these three counters to be the same again.
|
|
Reopen(options);
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-active-mem-table", &active_mem);
|
|
dbfull()->GetIntProperty("rocksdb.cur-size-all-mem-tables", &unflushed_mem);
|
|
dbfull()->GetIntProperty("rocksdb.size-all-mem-tables", &all_mem);
|
|
ASSERT_EQ(active_mem, unflushed_mem);
|
|
ASSERT_EQ(unflushed_mem, all_mem);
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, EstimatePendingCompBytes) {
|
|
// Set sizes to both background thread pool to be 1 and block them.
|
|
env_->SetBackgroundThreads(1, Env::HIGH);
|
|
env_->SetBackgroundThreads(1, Env::LOW);
|
|
test::SleepingBackgroundTask sleeping_task_low;
|
|
env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask, &sleeping_task_low,
|
|
Env::Priority::LOW);
|
|
|
|
Options options = CurrentOptions();
|
|
WriteOptions writeOpt = WriteOptions();
|
|
writeOpt.disableWAL = true;
|
|
options.compaction_style = kCompactionStyleLevel;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.max_background_compactions = 1;
|
|
options.max_background_flushes = 1;
|
|
options.max_write_buffer_number = 10;
|
|
options.min_write_buffer_number_to_merge = 1;
|
|
options.max_write_buffer_number_to_maintain = 0;
|
|
options.write_buffer_size = 1000000;
|
|
Reopen(options);
|
|
|
|
std::string big_value(1000000 * 2, 'x');
|
|
std::string num;
|
|
uint64_t int_num;
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k1", big_value));
|
|
Flush();
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
"rocksdb.estimate-pending-compaction-bytes", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k2", big_value));
|
|
Flush();
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
"rocksdb.estimate-pending-compaction-bytes", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
|
|
ASSERT_OK(dbfull()->Put(writeOpt, "k3", big_value));
|
|
Flush();
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
"rocksdb.estimate-pending-compaction-bytes", &int_num));
|
|
ASSERT_GT(int_num, 0U);
|
|
|
|
sleeping_task_low.WakeUp();
|
|
sleeping_task_low.WaitUntilDone();
|
|
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_TRUE(dbfull()->GetIntProperty(
|
|
"rocksdb.estimate-pending-compaction-bytes", &int_num));
|
|
ASSERT_EQ(int_num, 0U);
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, EstimateCompressionRatio) {
|
|
if (!Snappy_Supported()) {
|
|
return;
|
|
}
|
|
const int kNumL0Files = 3;
|
|
const int kNumEntriesPerFile = 1000;
|
|
|
|
Options options = CurrentOptions();
|
|
options.compression_per_level = {kNoCompression, kSnappyCompression};
|
|
options.disable_auto_compactions = true;
|
|
options.max_background_flushes = 0;
|
|
options.num_levels = 2;
|
|
Reopen(options);
|
|
|
|
// compression ratio is -1.0 when no open files at level
|
|
ASSERT_EQ(CompressionRatioAtLevel(0), -1.0);
|
|
|
|
const std::string kVal(100, 'a');
|
|
for (int i = 0; i < kNumL0Files; ++i) {
|
|
for (int j = 0; j < kNumEntriesPerFile; ++j) {
|
|
// Put common data ("key") at end to prevent delta encoding from
|
|
// compressing the key effectively
|
|
std::string key = ToString(i) + ToString(j) + "key";
|
|
ASSERT_OK(dbfull()->Put(WriteOptions(), key, kVal));
|
|
}
|
|
Flush();
|
|
}
|
|
|
|
// no compression at L0, so ratio is less than one
|
|
ASSERT_LT(CompressionRatioAtLevel(0), 1.0);
|
|
ASSERT_GT(CompressionRatioAtLevel(0), 0.0);
|
|
ASSERT_EQ(CompressionRatioAtLevel(1), -1.0);
|
|
|
|
dbfull()->TEST_CompactRange(0, nullptr, nullptr);
|
|
|
|
ASSERT_EQ(CompressionRatioAtLevel(0), -1.0);
|
|
// Data at L1 should be highly compressed thanks to Snappy and redundant data
|
|
// in values (ratio is 12.846 as of 4/19/2016).
|
|
ASSERT_GT(CompressionRatioAtLevel(1), 10.0);
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|
|
|
|
class CountingUserTblPropCollector : public TablePropertiesCollector {
|
|
public:
|
|
const char* Name() const override { return "CountingUserTblPropCollector"; }
|
|
|
|
Status Finish(UserCollectedProperties* properties) override {
|
|
std::string encoded;
|
|
PutVarint32(&encoded, count_);
|
|
*properties = UserCollectedProperties{
|
|
{"CountingUserTblPropCollector", message_}, {"Count", encoded},
|
|
};
|
|
return Status::OK();
|
|
}
|
|
|
|
Status AddUserKey(const Slice& user_key, const Slice& value, EntryType type,
|
|
SequenceNumber seq, uint64_t file_size) override {
|
|
++count_;
|
|
return Status::OK();
|
|
}
|
|
|
|
virtual UserCollectedProperties GetReadableProperties() const override {
|
|
return UserCollectedProperties{};
|
|
}
|
|
|
|
private:
|
|
std::string message_ = "Rocksdb";
|
|
uint32_t count_ = 0;
|
|
};
|
|
|
|
class CountingUserTblPropCollectorFactory
|
|
: public TablePropertiesCollectorFactory {
|
|
public:
|
|
explicit CountingUserTblPropCollectorFactory(
|
|
uint32_t expected_column_family_id)
|
|
: expected_column_family_id_(expected_column_family_id),
|
|
num_created_(0) {}
|
|
virtual TablePropertiesCollector* CreateTablePropertiesCollector(
|
|
TablePropertiesCollectorFactory::Context context) override {
|
|
EXPECT_EQ(expected_column_family_id_, context.column_family_id);
|
|
num_created_++;
|
|
return new CountingUserTblPropCollector();
|
|
}
|
|
const char* Name() const override {
|
|
return "CountingUserTblPropCollectorFactory";
|
|
}
|
|
void set_expected_column_family_id(uint32_t v) {
|
|
expected_column_family_id_ = v;
|
|
}
|
|
uint32_t expected_column_family_id_;
|
|
uint32_t num_created_;
|
|
};
|
|
|
|
class CountingDeleteTabPropCollector : public TablePropertiesCollector {
|
|
public:
|
|
const char* Name() const override { return "CountingDeleteTabPropCollector"; }
|
|
|
|
Status AddUserKey(const Slice& user_key, const Slice& value, EntryType type,
|
|
SequenceNumber seq, uint64_t file_size) override {
|
|
if (type == kEntryDelete) {
|
|
num_deletes_++;
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
bool NeedCompact() const override { return num_deletes_ > 10; }
|
|
|
|
UserCollectedProperties GetReadableProperties() const override {
|
|
return UserCollectedProperties{};
|
|
}
|
|
|
|
Status Finish(UserCollectedProperties* properties) override {
|
|
*properties =
|
|
UserCollectedProperties{{"num_delete", ToString(num_deletes_)}};
|
|
return Status::OK();
|
|
}
|
|
|
|
private:
|
|
uint32_t num_deletes_ = 0;
|
|
};
|
|
|
|
class CountingDeleteTabPropCollectorFactory
|
|
: public TablePropertiesCollectorFactory {
|
|
public:
|
|
virtual TablePropertiesCollector* CreateTablePropertiesCollector(
|
|
TablePropertiesCollectorFactory::Context context) override {
|
|
return new CountingDeleteTabPropCollector();
|
|
}
|
|
const char* Name() const override {
|
|
return "CountingDeleteTabPropCollectorFactory";
|
|
}
|
|
};
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
TEST_F(DBPropertiesTest, GetUserDefinedTableProperties) {
|
|
Options options = CurrentOptions();
|
|
options.level0_file_num_compaction_trigger = (1 << 30);
|
|
options.max_background_flushes = 0;
|
|
options.table_properties_collector_factories.resize(1);
|
|
std::shared_ptr<CountingUserTblPropCollectorFactory> collector_factory =
|
|
std::make_shared<CountingUserTblPropCollectorFactory>(0);
|
|
options.table_properties_collector_factories[0] = collector_factory;
|
|
Reopen(options);
|
|
// Create 4 tables
|
|
for (int table = 0; table < 4; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
db_->Put(WriteOptions(), ToString(table * 100 + i), "val");
|
|
}
|
|
db_->Flush(FlushOptions());
|
|
}
|
|
|
|
TablePropertiesCollection props;
|
|
ASSERT_OK(db_->GetPropertiesOfAllTables(&props));
|
|
ASSERT_EQ(4U, props.size());
|
|
uint32_t sum = 0;
|
|
for (const auto& item : props) {
|
|
auto& user_collected = item.second->user_collected_properties;
|
|
ASSERT_TRUE(user_collected.find("CountingUserTblPropCollector") !=
|
|
user_collected.end());
|
|
ASSERT_EQ(user_collected.at("CountingUserTblPropCollector"), "Rocksdb");
|
|
ASSERT_TRUE(user_collected.find("Count") != user_collected.end());
|
|
Slice key(user_collected.at("Count"));
|
|
uint32_t count;
|
|
ASSERT_TRUE(GetVarint32(&key, &count));
|
|
sum += count;
|
|
}
|
|
ASSERT_EQ(10u + 11u + 12u + 13u, sum);
|
|
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
collector_factory->num_created_ = 0;
|
|
dbfull()->TEST_CompactRange(0, nullptr, nullptr);
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
|
|
TEST_F(DBPropertiesTest, UserDefinedTablePropertiesContext) {
|
|
Options options = CurrentOptions();
|
|
options.level0_file_num_compaction_trigger = 3;
|
|
options.max_background_flushes = 0;
|
|
options.table_properties_collector_factories.resize(1);
|
|
std::shared_ptr<CountingUserTblPropCollectorFactory> collector_factory =
|
|
std::make_shared<CountingUserTblPropCollectorFactory>(1);
|
|
options.table_properties_collector_factories[0] = collector_factory,
|
|
CreateAndReopenWithCF({"pikachu"}, options);
|
|
// Create 2 files
|
|
for (int table = 0; table < 2; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
Put(1, ToString(table * 100 + i), "val");
|
|
}
|
|
Flush(1);
|
|
}
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
|
|
collector_factory->num_created_ = 0;
|
|
// Trigger automatic compactions.
|
|
for (int table = 0; table < 3; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
Put(1, ToString(table * 100 + i), "val");
|
|
}
|
|
Flush(1);
|
|
dbfull()->TEST_WaitForCompact();
|
|
}
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
|
|
collector_factory->num_created_ = 0;
|
|
dbfull()->TEST_CompactRange(0, nullptr, nullptr, handles_[1]);
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
|
|
// Come back to write to default column family
|
|
collector_factory->num_created_ = 0;
|
|
collector_factory->set_expected_column_family_id(0); // default CF
|
|
// Create 4 tables in default column family
|
|
for (int table = 0; table < 2; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
Put(ToString(table * 100 + i), "val");
|
|
}
|
|
Flush();
|
|
}
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
|
|
collector_factory->num_created_ = 0;
|
|
// Trigger automatic compactions.
|
|
for (int table = 0; table < 3; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
Put(ToString(table * 100 + i), "val");
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
}
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
|
|
collector_factory->num_created_ = 0;
|
|
dbfull()->TEST_CompactRange(0, nullptr, nullptr);
|
|
ASSERT_GT(collector_factory->num_created_, 0U);
|
|
}
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
TEST_F(DBPropertiesTest, TablePropertiesNeedCompactTest) {
|
|
Random rnd(301);
|
|
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 4096;
|
|
options.max_write_buffer_number = 8;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 2;
|
|
options.level0_stop_writes_trigger = 4;
|
|
options.target_file_size_base = 2048;
|
|
options.max_bytes_for_level_base = 10240;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.soft_pending_compaction_bytes_limit = 1024 * 1024;
|
|
options.num_levels = 8;
|
|
options.env = env_;
|
|
|
|
std::shared_ptr<TablePropertiesCollectorFactory> collector_factory =
|
|
std::make_shared<CountingDeleteTabPropCollectorFactory>();
|
|
options.table_properties_collector_factories.resize(1);
|
|
options.table_properties_collector_factories[0] = collector_factory;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
const int kMaxKey = 1000;
|
|
for (int i = 0; i < kMaxKey; i++) {
|
|
ASSERT_OK(Put(Key(i), RandomString(&rnd, 102)));
|
|
ASSERT_OK(Put(Key(kMaxKey + i), RandomString(&rnd, 102)));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
if (NumTableFilesAtLevel(0) == 1) {
|
|
// Clear Level 0 so that when later flush a file with deletions,
|
|
// we don't trigger an organic compaction.
|
|
ASSERT_OK(Put(Key(0), ""));
|
|
ASSERT_OK(Put(Key(kMaxKey * 2), ""));
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
}
|
|
ASSERT_EQ(NumTableFilesAtLevel(0), 0);
|
|
|
|
{
|
|
int c = 0;
|
|
std::unique_ptr<Iterator> iter(db_->NewIterator(ReadOptions()));
|
|
iter->Seek(Key(kMaxKey - 100));
|
|
while (iter->Valid() && iter->key().compare(Key(kMaxKey + 100)) < 0) {
|
|
iter->Next();
|
|
++c;
|
|
}
|
|
ASSERT_EQ(c, 200);
|
|
}
|
|
|
|
Delete(Key(0));
|
|
for (int i = kMaxKey - 100; i < kMaxKey + 100; i++) {
|
|
Delete(Key(i));
|
|
}
|
|
Delete(Key(kMaxKey * 2));
|
|
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
|
|
{
|
|
SetPerfLevel(kEnableCount);
|
|
perf_context.Reset();
|
|
int c = 0;
|
|
std::unique_ptr<Iterator> iter(db_->NewIterator(ReadOptions()));
|
|
iter->Seek(Key(kMaxKey - 100));
|
|
while (iter->Valid() && iter->key().compare(Key(kMaxKey + 100)) < 0) {
|
|
iter->Next();
|
|
}
|
|
ASSERT_EQ(c, 0);
|
|
ASSERT_LT(perf_context.internal_delete_skipped_count, 30u);
|
|
ASSERT_LT(perf_context.internal_key_skipped_count, 30u);
|
|
SetPerfLevel(kDisable);
|
|
}
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, NeedCompactHintPersistentTest) {
|
|
Random rnd(301);
|
|
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.max_write_buffer_number = 8;
|
|
options.level0_file_num_compaction_trigger = 10;
|
|
options.level0_slowdown_writes_trigger = 10;
|
|
options.level0_stop_writes_trigger = 10;
|
|
options.disable_auto_compactions = true;
|
|
options.env = env_;
|
|
|
|
std::shared_ptr<TablePropertiesCollectorFactory> collector_factory =
|
|
std::make_shared<CountingDeleteTabPropCollectorFactory>();
|
|
options.table_properties_collector_factories.resize(1);
|
|
options.table_properties_collector_factories[0] = collector_factory;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
const int kMaxKey = 100;
|
|
for (int i = 0; i < kMaxKey; i++) {
|
|
ASSERT_OK(Put(Key(i), ""));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
|
|
for (int i = 1; i < kMaxKey - 1; i++) {
|
|
Delete(Key(i));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForFlushMemTable();
|
|
ASSERT_EQ(NumTableFilesAtLevel(0), 2);
|
|
|
|
// Restart the DB. Although number of files didn't reach
|
|
// options.level0_file_num_compaction_trigger, compaction should
|
|
// still be triggered because of the need-compaction hint.
|
|
options.disable_auto_compactions = false;
|
|
Reopen(options);
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_EQ(NumTableFilesAtLevel(0), 0);
|
|
{
|
|
SetPerfLevel(kEnableCount);
|
|
perf_context.Reset();
|
|
int c = 0;
|
|
std::unique_ptr<Iterator> iter(db_->NewIterator(ReadOptions()));
|
|
for (iter->Seek(Key(0)); iter->Valid(); iter->Next()) {
|
|
c++;
|
|
}
|
|
ASSERT_EQ(c, 2);
|
|
ASSERT_EQ(perf_context.internal_delete_skipped_count, 0);
|
|
// We iterate every key twice. Is it a bug?
|
|
ASSERT_LE(perf_context.internal_key_skipped_count, 2);
|
|
SetPerfLevel(kDisable);
|
|
}
|
|
}
|
|
|
|
TEST_F(DBPropertiesTest, EstimateNumKeysUnderflow) {
|
|
Options options;
|
|
Reopen(options);
|
|
Put("foo", "bar");
|
|
Delete("foo");
|
|
Delete("foo");
|
|
uint64_t num_keys = 0;
|
|
ASSERT_TRUE(dbfull()->GetIntProperty("rocksdb.estimate-num-keys", &num_keys));
|
|
ASSERT_EQ(0, num_keys);
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|