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rocksdb/db/listener_test.cc
Venkatesh Radhakrishnan a98fbacfa0 Moving memtable related files from util to a new directory memtable 
Summary:
We are cleaning up dependencies.
This diff takes a first step at moving memtable files to their own
directory called memtable. In future diffs, we will move other memtable
files from db to memtable.

Test Plan: make check

Reviewers: sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D48915
2015-10-16 14:10:33 -07:00

537 lines
18 KiB
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// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include "db/db_impl.h"
#include "db/dbformat.h"
#include "db/filename.h"
#include "db/version_set.h"
#include "db/write_batch_internal.h"
#include "memtable/hash_linklist_rep.h"
#include "rocksdb/cache.h"
#include "rocksdb/compaction_filter.h"
#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/filter_policy.h"
#include "rocksdb/options.h"
#include "rocksdb/perf_context.h"
#include "rocksdb/slice.h"
#include "rocksdb/slice_transform.h"
#include "rocksdb/table.h"
#include "rocksdb/table_properties.h"
#include "table/block_based_table_factory.h"
#include "table/plain_table_factory.h"
#include "util/hash.h"
#include "util/logging.h"
#include "util/mutexlock.h"
#include "util/rate_limiter.h"
#include "util/statistics.h"
#include "util/string_util.h"
#include "util/sync_point.h"
#include "util/testharness.h"
#include "util/testutil.h"
#include "utilities/merge_operators.h"
#ifndef ROCKSDB_LITE
namespace rocksdb {
class EventListenerTest : public testing::Test {
public:
EventListenerTest() {
dbname_ = test::TmpDir() + "/listener_test";
EXPECT_OK(DestroyDB(dbname_, Options()));
db_ = nullptr;
Reopen();
}
~EventListenerTest() {
Close();
Options options;
options.db_paths.emplace_back(dbname_, 0);
options.db_paths.emplace_back(dbname_ + "_2", 0);
options.db_paths.emplace_back(dbname_ + "_3", 0);
options.db_paths.emplace_back(dbname_ + "_4", 0);
EXPECT_OK(DestroyDB(dbname_, options));
}
void CreateColumnFamilies(const std::vector<std::string>& cfs,
const ColumnFamilyOptions* options = nullptr) {
ColumnFamilyOptions cf_opts;
cf_opts = ColumnFamilyOptions(Options());
size_t cfi = handles_.size();
handles_.resize(cfi + cfs.size());
for (auto cf : cfs) {
ASSERT_OK(db_->CreateColumnFamily(cf_opts, cf, &handles_[cfi++]));
}
}
void Close() {
for (auto h : handles_) {
delete h;
}
handles_.clear();
delete db_;
db_ = nullptr;
}
void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
const Options* options = nullptr) {
ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
}
Status TryReopenWithColumnFamilies(const std::vector<std::string>& cfs,
const Options* options = nullptr) {
Close();
Options opts = (options == nullptr) ? Options() : *options;
std::vector<const Options*> v_opts(cfs.size(), &opts);
return TryReopenWithColumnFamilies(cfs, v_opts);
}
Status TryReopenWithColumnFamilies(
const std::vector<std::string>& cfs,
const std::vector<const Options*>& options) {
Close();
EXPECT_EQ(cfs.size(), options.size());
std::vector<ColumnFamilyDescriptor> column_families;
for (size_t i = 0; i < cfs.size(); ++i) {
column_families.push_back(ColumnFamilyDescriptor(cfs[i], *options[i]));
}
DBOptions db_opts = DBOptions(*options[0]);
return DB::Open(db_opts, dbname_, column_families, &handles_, &db_);
}
Status TryReopen(Options* options = nullptr) {
Close();
Options opts;
if (options != nullptr) {
opts = *options;
} else {
opts.create_if_missing = true;
}
return DB::Open(opts, dbname_, &db_);
}
void Reopen(Options* options = nullptr) {
ASSERT_OK(TryReopen(options));
}
void CreateAndReopenWithCF(const std::vector<std::string>& cfs,
const Options* options = nullptr) {
CreateColumnFamilies(cfs, options);
std::vector<std::string> cfs_plus_default = cfs;
cfs_plus_default.insert(cfs_plus_default.begin(), kDefaultColumnFamilyName);
ReopenWithColumnFamilies(cfs_plus_default, options);
}
DBImpl* dbfull() {
return reinterpret_cast<DBImpl*>(db_);
}
Status Put(int cf, const Slice& k, const Slice& v,
WriteOptions wo = WriteOptions()) {
return db_->Put(wo, handles_[cf], k, v);
}
Status Flush(size_t cf = 0) {
FlushOptions opt = FlushOptions();
opt.wait = true;
if (cf == 0) {
return db_->Flush(opt);
} else {
return db_->Flush(opt, handles_[cf]);
}
}
const size_t k110KB = 110 << 10;
DB* db_;
std::string dbname_;
std::vector<ColumnFamilyHandle*> handles_;
};
struct TestPropertiesCollector : public rocksdb::TablePropertiesCollector {
virtual rocksdb::Status AddUserKey(const rocksdb::Slice& key,
const rocksdb::Slice& value,
rocksdb::EntryType type,
rocksdb::SequenceNumber seq,
uint64_t file_size) override {
return Status::OK();
}
virtual rocksdb::Status Finish(
rocksdb::UserCollectedProperties* properties) override {
properties->insert({"0", "1"});
return Status::OK();
}
virtual const char* Name() const override {
return "TestTablePropertiesCollector";
}
rocksdb::UserCollectedProperties GetReadableProperties() const override {
rocksdb::UserCollectedProperties ret;
ret["2"] = "3";
return ret;
}
};
class TestPropertiesCollectorFactory : public TablePropertiesCollectorFactory {
public:
virtual TablePropertiesCollector* CreateTablePropertiesCollector(
TablePropertiesCollectorFactory::Context context) override {
return new TestPropertiesCollector;
}
const char* Name() const override { return "TestTablePropertiesCollector"; }
};
class TestCompactionListener : public EventListener {
public:
void OnCompactionCompleted(DB *db, const CompactionJobInfo& ci) override {
std::lock_guard<std::mutex> lock(mutex_);
compacted_dbs_.push_back(db);
ASSERT_GT(ci.input_files.size(), 0U);
ASSERT_GT(ci.output_files.size(), 0U);
ASSERT_EQ(db->GetEnv()->GetThreadID(), ci.thread_id);
ASSERT_GT(ci.thread_id, 0U);
for (auto fl : {ci.input_files, ci.output_files}) {
for (auto fn : fl) {
auto it = ci.table_properties.find(fn);
ASSERT_NE(it, ci.table_properties.end());
auto tp = it->second;
ASSERT_TRUE(tp != nullptr);
ASSERT_EQ(tp->user_collected_properties.find("0")->second, "1");
}
}
}
std::vector<DB*> compacted_dbs_;
std::mutex mutex_;
};
TEST_F(EventListenerTest, OnSingleDBCompactionTest) {
const int kTestKeySize = 16;
const int kTestValueSize = 984;
const int kEntrySize = kTestKeySize + kTestValueSize;
const int kEntriesPerBuffer = 100;
const int kNumL0Files = 4;
Options options;
options.create_if_missing = true;
options.write_buffer_size = kEntrySize * kEntriesPerBuffer;
options.compaction_style = kCompactionStyleLevel;
options.target_file_size_base = options.write_buffer_size;
options.max_bytes_for_level_base = options.target_file_size_base * 2;
options.max_bytes_for_level_multiplier = 2;
options.compression = kNoCompression;
#if ROCKSDB_USING_THREAD_STATUS
options.enable_thread_tracking = true;
#endif // ROCKSDB_USING_THREAD_STATUS
options.level0_file_num_compaction_trigger = kNumL0Files;
options.table_properties_collector_factories.push_back(
std::make_shared<TestPropertiesCollectorFactory>());
TestCompactionListener* listener = new TestCompactionListener();
options.listeners.emplace_back(listener);
std::vector<std::string> cf_names = {
"pikachu", "ilya", "muromec", "dobrynia",
"nikitich", "alyosha", "popovich"};
CreateAndReopenWithCF(cf_names, &options);
ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
for (size_t i = 1; i < 8; ++i) {
ASSERT_OK(Flush(i));
const Slice kStart = "a";
const Slice kEnd = "z";
ASSERT_OK(dbfull()->CompactRange(CompactRangeOptions(), handles_[i],
&kStart, &kEnd));
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
}
ASSERT_EQ(listener->compacted_dbs_.size(), cf_names.size());
for (size_t i = 0; i < cf_names.size(); ++i) {
ASSERT_EQ(listener->compacted_dbs_[i], db_);
}
}
// This simple Listener can only handle one flush at a time.
class TestFlushListener : public EventListener {
public:
explicit TestFlushListener(Env* env)
: slowdown_count(0), stop_count(0), db_closed(), env_(env) {
db_closed = false;
}
void OnTableFileCreated(
const TableFileCreationInfo& info) override {
// remember the info for later checking the FlushJobInfo.
prev_fc_info_ = info;
ASSERT_GT(info.db_name.size(), 0U);
ASSERT_GT(info.cf_name.size(), 0U);
ASSERT_GT(info.file_path.size(), 0U);
ASSERT_GT(info.job_id, 0);
ASSERT_GT(info.table_properties.data_size, 0U);
ASSERT_GT(info.table_properties.raw_key_size, 0U);
ASSERT_GT(info.table_properties.raw_value_size, 0U);
ASSERT_GT(info.table_properties.num_data_blocks, 0U);
ASSERT_GT(info.table_properties.num_entries, 0U);
#if ROCKSDB_USING_THREAD_STATUS
// Verify the id of the current thread that created this table
// file matches the id of any active flush or compaction thread.
uint64_t thread_id = env_->GetThreadID();
std::vector<ThreadStatus> thread_list;
ASSERT_OK(env_->GetThreadList(&thread_list));
bool found_match = false;
for (auto thread_status : thread_list) {
if (thread_status.operation_type == ThreadStatus::OP_FLUSH ||
thread_status.operation_type == ThreadStatus::OP_COMPACTION) {
if (thread_id == thread_status.thread_id) {
found_match = true;
break;
}
}
}
ASSERT_TRUE(found_match);
#endif // ROCKSDB_USING_THREAD_STATUS
}
void OnFlushCompleted(
DB* db, const FlushJobInfo& info) override {
flushed_dbs_.push_back(db);
flushed_column_family_names_.push_back(info.cf_name);
if (info.triggered_writes_slowdown) {
slowdown_count++;
}
if (info.triggered_writes_stop) {
stop_count++;
}
// verify whether the previously created file matches the flushed file.
ASSERT_EQ(prev_fc_info_.db_name, db->GetName());
ASSERT_EQ(prev_fc_info_.cf_name, info.cf_name);
ASSERT_EQ(prev_fc_info_.job_id, info.job_id);
ASSERT_EQ(prev_fc_info_.file_path, info.file_path);
ASSERT_EQ(db->GetEnv()->GetThreadID(), info.thread_id);
ASSERT_GT(info.thread_id, 0U);
ASSERT_EQ(info.table_properties.user_collected_properties.find("0")->second,
"1");
}
std::vector<std::string> flushed_column_family_names_;
std::vector<DB*> flushed_dbs_;
int slowdown_count;
int stop_count;
bool db_closing;
std::atomic_bool db_closed;
TableFileCreationInfo prev_fc_info_;
protected:
Env* env_;
};
TEST_F(EventListenerTest, OnSingleDBFlushTest) {
Options options;
options.write_buffer_size = k110KB;
#if ROCKSDB_USING_THREAD_STATUS
options.enable_thread_tracking = true;
#endif // ROCKSDB_USING_THREAD_STATUS
TestFlushListener* listener = new TestFlushListener(options.env);
options.listeners.emplace_back(listener);
std::vector<std::string> cf_names = {
"pikachu", "ilya", "muromec", "dobrynia",
"nikitich", "alyosha", "popovich"};
options.table_properties_collector_factories.push_back(
std::make_shared<TestPropertiesCollectorFactory>());
CreateAndReopenWithCF(cf_names, &options);
ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
for (size_t i = 1; i < 8; ++i) {
ASSERT_OK(Flush(i));
dbfull()->TEST_WaitForFlushMemTable();
ASSERT_EQ(listener->flushed_dbs_.size(), i);
ASSERT_EQ(listener->flushed_column_family_names_.size(), i);
}
// make sure call-back functions are called in the right order
for (size_t i = 0; i < cf_names.size(); ++i) {
ASSERT_EQ(listener->flushed_dbs_[i], db_);
ASSERT_EQ(listener->flushed_column_family_names_[i], cf_names[i]);
}
}
TEST_F(EventListenerTest, MultiCF) {
Options options;
options.write_buffer_size = k110KB;
#if ROCKSDB_USING_THREAD_STATUS
options.enable_thread_tracking = true;
#endif // ROCKSDB_USING_THREAD_STATUS
TestFlushListener* listener = new TestFlushListener(options.env);
options.listeners.emplace_back(listener);
options.table_properties_collector_factories.push_back(
std::make_shared<TestPropertiesCollectorFactory>());
std::vector<std::string> cf_names = {
"pikachu", "ilya", "muromec", "dobrynia",
"nikitich", "alyosha", "popovich"};
CreateAndReopenWithCF(cf_names, &options);
ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
for (size_t i = 1; i < 8; ++i) {
ASSERT_OK(Flush(i));
ASSERT_EQ(listener->flushed_dbs_.size(), i);
ASSERT_EQ(listener->flushed_column_family_names_.size(), i);
}
// make sure call-back functions are called in the right order
for (size_t i = 0; i < cf_names.size(); i++) {
ASSERT_EQ(listener->flushed_dbs_[i], db_);
ASSERT_EQ(listener->flushed_column_family_names_[i], cf_names[i]);
}
}
TEST_F(EventListenerTest, MultiDBMultiListeners) {
Options options;
#if ROCKSDB_USING_THREAD_STATUS
options.enable_thread_tracking = true;
#endif // ROCKSDB_USING_THREAD_STATUS
options.table_properties_collector_factories.push_back(
std::make_shared<TestPropertiesCollectorFactory>());
std::vector<TestFlushListener*> listeners;
const int kNumDBs = 5;
const int kNumListeners = 10;
for (int i = 0; i < kNumListeners; ++i) {
listeners.emplace_back(new TestFlushListener(options.env));
}
std::vector<std::string> cf_names = {
"pikachu", "ilya", "muromec", "dobrynia",
"nikitich", "alyosha", "popovich"};
options.create_if_missing = true;
for (int i = 0; i < kNumListeners; ++i) {
options.listeners.emplace_back(listeners[i]);
}
DBOptions db_opts(options);
ColumnFamilyOptions cf_opts(options);
std::vector<DB*> dbs;
std::vector<std::vector<ColumnFamilyHandle *>> vec_handles;
for (int d = 0; d < kNumDBs; ++d) {
ASSERT_OK(DestroyDB(dbname_ + ToString(d), options));
DB* db;
std::vector<ColumnFamilyHandle*> handles;
ASSERT_OK(DB::Open(options, dbname_ + ToString(d), &db));
for (size_t c = 0; c < cf_names.size(); ++c) {
ColumnFamilyHandle* handle;
db->CreateColumnFamily(cf_opts, cf_names[c], &handle);
handles.push_back(handle);
}
vec_handles.push_back(std::move(handles));
dbs.push_back(db);
}
for (int d = 0; d < kNumDBs; ++d) {
for (size_t c = 0; c < cf_names.size(); ++c) {
ASSERT_OK(dbs[d]->Put(WriteOptions(), vec_handles[d][c],
cf_names[c], cf_names[c]));
}
}
for (size_t c = 0; c < cf_names.size(); ++c) {
for (int d = 0; d < kNumDBs; ++d) {
ASSERT_OK(dbs[d]->Flush(FlushOptions(), vec_handles[d][c]));
reinterpret_cast<DBImpl*>(dbs[d])->TEST_WaitForFlushMemTable();
}
}
for (auto* listener : listeners) {
int pos = 0;
for (size_t c = 0; c < cf_names.size(); ++c) {
for (int d = 0; d < kNumDBs; ++d) {
ASSERT_EQ(listener->flushed_dbs_[pos], dbs[d]);
ASSERT_EQ(listener->flushed_column_family_names_[pos], cf_names[c]);
pos++;
}
}
}
for (auto handles : vec_handles) {
for (auto h : handles) {
delete h;
}
handles.clear();
}
vec_handles.clear();
for (auto db : dbs) {
delete db;
}
}
TEST_F(EventListenerTest, DisableBGCompaction) {
Options options;
#if ROCKSDB_USING_THREAD_STATUS
options.enable_thread_tracking = true;
#endif // ROCKSDB_USING_THREAD_STATUS
TestFlushListener* listener = new TestFlushListener(options.env);
const int kCompactionTrigger = 1;
const int kSlowdownTrigger = 5;
const int kStopTrigger = 100;
options.level0_file_num_compaction_trigger = kCompactionTrigger;
options.level0_slowdown_writes_trigger = kSlowdownTrigger;
options.level0_stop_writes_trigger = kStopTrigger;
options.max_write_buffer_number = 10;
options.listeners.emplace_back(listener);
// BG compaction is disabled. Number of L0 files will simply keeps
// increasing in this test.
options.compaction_style = kCompactionStyleNone;
options.compression = kNoCompression;
options.write_buffer_size = 100000; // Small write buffer
options.table_properties_collector_factories.push_back(
std::make_shared<TestPropertiesCollectorFactory>());
CreateAndReopenWithCF({"pikachu"}, &options);
ColumnFamilyMetaData cf_meta;
db_->GetColumnFamilyMetaData(handles_[1], &cf_meta);
// keep writing until writes are forced to stop.
for (int i = 0; static_cast<int>(cf_meta.file_count) < kSlowdownTrigger * 10;
++i) {
Put(1, ToString(i), std::string(10000, 'x'), WriteOptions());
db_->Flush(FlushOptions(), handles_[1]);
db_->GetColumnFamilyMetaData(handles_[1], &cf_meta);
}
ASSERT_GE(listener->slowdown_count, kSlowdownTrigger * 9);
}
} // namespace rocksdb
#endif // ROCKSDB_LITE
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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