02418194d7
Summary: Added 10 more tests that pass the ASSERT_STATUS_CHECKED test. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7524 Reviewed By: akankshamahajan15 Differential Revision: D24323093 Pulled By: ajkr fbshipit-source-id: 28d4106d0ca1740c3b896c755edf82d504b74801
245 lines
9.4 KiB
C++
245 lines
9.4 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root 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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#ifndef ROCKSDB_LITE
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#include <algorithm>
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#include <cmath>
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#include <vector>
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#include "port/stack_trace.h"
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#include "rocksdb/table.h"
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#include "rocksdb/table_properties.h"
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#include "rocksdb/utilities/table_properties_collectors.h"
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#include "test_util/testharness.h"
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#include "util/random.h"
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#include "utilities/table_properties_collectors/compact_on_deletion_collector.h"
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namespace ROCKSDB_NAMESPACE {
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TEST(CompactOnDeletionCollector, DeletionRatio) {
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TablePropertiesCollectorFactory::Context context;
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context.column_family_id =
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TablePropertiesCollectorFactory::Context::kUnknownColumnFamily;
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const size_t kTotalEntries = 100;
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{
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// Disable deletion ratio.
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for (double deletion_ratio : {-1.5, -1.0, 0.0, 1.5, 2.0}) {
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auto factory = NewCompactOnDeletionCollectorFactory(0, 0, deletion_ratio);
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std::unique_ptr<TablePropertiesCollector> collector(
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factory->CreateTablePropertiesCollector(context));
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for (size_t i = 0; i < kTotalEntries; i++) {
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// All entries are deletion entries.
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryDelete, 0, 0));
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ASSERT_FALSE(collector->NeedCompact());
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}
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ASSERT_OK(collector->Finish(nullptr));
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ASSERT_FALSE(collector->NeedCompact());
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}
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}
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{
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for (double deletion_ratio : {0.3, 0.5, 0.8, 1.0}) {
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auto factory = NewCompactOnDeletionCollectorFactory(0, 0, deletion_ratio);
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const size_t deletion_entries_trigger =
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static_cast<size_t>(deletion_ratio * kTotalEntries);
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for (int delta : {-1, 0, 1}) {
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// Actual deletion entry ratio <, =, > deletion_ratio
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size_t actual_deletion_entries = deletion_entries_trigger + delta;
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std::unique_ptr<TablePropertiesCollector> collector(
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factory->CreateTablePropertiesCollector(context));
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for (size_t i = 0; i < kTotalEntries; i++) {
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if (i < actual_deletion_entries) {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryDelete, 0, 0));
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} else {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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ASSERT_FALSE(collector->NeedCompact());
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}
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ASSERT_OK(collector->Finish(nullptr));
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if (delta >= 0) {
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// >= deletion_ratio
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ASSERT_TRUE(collector->NeedCompact());
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} else {
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ASSERT_FALSE(collector->NeedCompact());
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}
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}
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}
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}
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}
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TEST(CompactOnDeletionCollector, SlidingWindow) {
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const int kWindowSizes[] =
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{1000, 10000, 10000, 127, 128, 129, 255, 256, 257, 2, 10000};
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const int kDeletionTriggers[] =
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{500, 9500, 4323, 47, 61, 128, 250, 250, 250, 2, 2};
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TablePropertiesCollectorFactory::Context context;
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context.column_family_id =
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TablePropertiesCollectorFactory::Context::kUnknownColumnFamily;
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std::vector<int> window_sizes;
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std::vector<int> deletion_triggers;
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// deterministic tests
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for (int test = 0; test < 9; ++test) {
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window_sizes.emplace_back(kWindowSizes[test]);
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deletion_triggers.emplace_back(kDeletionTriggers[test]);
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}
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// randomize tests
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Random rnd(301);
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const int kMaxTestSize = 100000l;
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for (int random_test = 0; random_test < 10; random_test++) {
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int window_size = rnd.Uniform(kMaxTestSize) + 1;
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int deletion_trigger = rnd.Uniform(window_size);
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window_sizes.emplace_back(window_size);
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deletion_triggers.emplace_back(deletion_trigger);
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}
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assert(window_sizes.size() == deletion_triggers.size());
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for (size_t test = 0; test < window_sizes.size(); ++test) {
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const int kBucketSize = 128;
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const int kWindowSize = window_sizes[test];
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const int kPaddedWindowSize =
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kBucketSize * ((window_sizes[test] + kBucketSize - 1) / kBucketSize);
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const int kNumDeletionTrigger = deletion_triggers[test];
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const int kBias = (kNumDeletionTrigger + kBucketSize - 1) / kBucketSize;
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// Simple test
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{
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auto factory = NewCompactOnDeletionCollectorFactory(kWindowSize,
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kNumDeletionTrigger);
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const int kSample = 10;
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for (int delete_rate = 0; delete_rate <= kSample; ++delete_rate) {
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std::unique_ptr<TablePropertiesCollector> collector(
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factory->CreateTablePropertiesCollector(context));
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int deletions = 0;
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for (int i = 0; i < kPaddedWindowSize; ++i) {
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if (i % kSample < delete_rate) {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryDelete, 0, 0));
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deletions++;
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} else {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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}
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if (collector->NeedCompact() !=
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(deletions >= kNumDeletionTrigger) &&
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std::abs(deletions - kNumDeletionTrigger) > kBias) {
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fprintf(stderr, "[Error] collector->NeedCompact() != (%d >= %d)"
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" with kWindowSize = %d and kNumDeletionTrigger = %d\n",
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deletions, kNumDeletionTrigger,
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kWindowSize, kNumDeletionTrigger);
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ASSERT_TRUE(false);
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}
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ASSERT_OK(collector->Finish(nullptr));
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}
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}
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// Only one section of a file satisfies the compaction trigger
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{
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auto factory = NewCompactOnDeletionCollectorFactory(kWindowSize,
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kNumDeletionTrigger);
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const int kSample = 10;
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for (int delete_rate = 0; delete_rate <= kSample; ++delete_rate) {
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std::unique_ptr<TablePropertiesCollector> collector(
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factory->CreateTablePropertiesCollector(context));
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int deletions = 0;
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for (int section = 0; section < 5; ++section) {
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int initial_entries = rnd.Uniform(kWindowSize) + kWindowSize;
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for (int i = 0; i < initial_entries; ++i) {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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}
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for (int i = 0; i < kPaddedWindowSize; ++i) {
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if (i % kSample < delete_rate) {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryDelete, 0, 0));
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deletions++;
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} else {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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}
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for (int section = 0; section < 5; ++section) {
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int ending_entries = rnd.Uniform(kWindowSize) + kWindowSize;
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for (int i = 0; i < ending_entries; ++i) {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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}
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if (collector->NeedCompact() != (deletions >= kNumDeletionTrigger) &&
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std::abs(deletions - kNumDeletionTrigger) > kBias) {
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fprintf(stderr, "[Error] collector->NeedCompact() %d != (%d >= %d)"
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" with kWindowSize = %d, kNumDeletionTrigger = %d\n",
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collector->NeedCompact(),
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deletions, kNumDeletionTrigger, kWindowSize,
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kNumDeletionTrigger);
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ASSERT_TRUE(false);
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}
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ASSERT_OK(collector->Finish(nullptr));
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}
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}
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// TEST 3: Issues a lots of deletes, but their density is not
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// high enough to trigger compaction.
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{
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std::unique_ptr<TablePropertiesCollector> collector;
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auto factory = NewCompactOnDeletionCollectorFactory(kWindowSize,
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kNumDeletionTrigger);
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collector.reset(factory->CreateTablePropertiesCollector(context));
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assert(collector->NeedCompact() == false);
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// Insert "kNumDeletionTrigger * 0.95" deletions for every
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// "kWindowSize" and verify compaction is not needed.
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const int kDeletionsPerSection = kNumDeletionTrigger * 95 / 100;
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if (kDeletionsPerSection >= 0) {
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for (int section = 0; section < 200; ++section) {
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for (int i = 0; i < kPaddedWindowSize; ++i) {
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if (i < kDeletionsPerSection) {
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ASSERT_OK(collector->AddUserKey("hello", "rocksdb", kEntryDelete,
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0, 0));
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} else {
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ASSERT_OK(
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collector->AddUserKey("hello", "rocksdb", kEntryPut, 0, 0));
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}
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}
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}
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if (collector->NeedCompact() &&
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std::abs(kDeletionsPerSection - kNumDeletionTrigger) > kBias) {
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fprintf(stderr, "[Error] collector->NeedCompact() != false"
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" with kWindowSize = %d and kNumDeletionTrigger = %d\n",
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kWindowSize, kNumDeletionTrigger);
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ASSERT_TRUE(false);
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}
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ASSERT_OK(collector->Finish(nullptr));
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}
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}
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}
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}
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} // namespace ROCKSDB_NAMESPACE
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int main(int argc, char** argv) {
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ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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#else
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int main(int /*argc*/, char** /*argv*/) {
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fprintf(stderr, "SKIPPED as RocksDBLite does not include utilities.\n");
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return 0;
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}
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#endif // !ROCKSDB_LITE
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