fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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403 lines
13 KiB
403 lines
13 KiB
// Copyright (c) 2013, 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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#include "db/dbformat.h"
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#include "db/db_impl.h"
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#include "db/filename.h"
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#include "db/version_set.h"
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#include "db/write_batch_internal.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/db.h"
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#include "rocksdb/env.h"
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#include "rocksdb/filter_policy.h"
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#include "rocksdb/perf_context.h"
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#include "rocksdb/slice.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/table.h"
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#include "rocksdb/options.h"
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#include "rocksdb/table_properties.h"
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#include "table/block_based_table_factory.h"
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#include "table/plain_table_factory.h"
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#include "util/hash.h"
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#include "util/hash_linklist_rep.h"
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#include "utilities/merge_operators.h"
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#include "util/logging.h"
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#include "util/mutexlock.h"
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#include "util/rate_limiter.h"
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#include "util/statistics.h"
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#include "util/string_util.h"
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#include "util/testharness.h"
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#include "util/sync_point.h"
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#include "util/testutil.h"
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#ifndef ROCKSDB_LITE
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namespace rocksdb {
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class EventListenerTest : public testing::Test {
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public:
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EventListenerTest() {
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dbname_ = test::TmpDir() + "/listener_test";
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EXPECT_OK(DestroyDB(dbname_, Options()));
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db_ = nullptr;
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Reopen();
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}
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~EventListenerTest() {
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Close();
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Options options;
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options.db_paths.emplace_back(dbname_, 0);
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options.db_paths.emplace_back(dbname_ + "_2", 0);
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options.db_paths.emplace_back(dbname_ + "_3", 0);
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options.db_paths.emplace_back(dbname_ + "_4", 0);
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EXPECT_OK(DestroyDB(dbname_, options));
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}
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void CreateColumnFamilies(const std::vector<std::string>& cfs,
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const ColumnFamilyOptions* options = nullptr) {
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ColumnFamilyOptions cf_opts;
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cf_opts = ColumnFamilyOptions(Options());
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size_t cfi = handles_.size();
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handles_.resize(cfi + cfs.size());
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for (auto cf : cfs) {
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ASSERT_OK(db_->CreateColumnFamily(cf_opts, cf, &handles_[cfi++]));
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}
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}
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void Close() {
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for (auto h : handles_) {
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delete h;
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}
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handles_.clear();
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delete db_;
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db_ = nullptr;
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}
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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options* options = nullptr) {
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ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
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}
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Status TryReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options* options = nullptr) {
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Close();
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Options opts = (options == nullptr) ? Options() : *options;
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std::vector<const Options*> v_opts(cfs.size(), &opts);
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return TryReopenWithColumnFamilies(cfs, v_opts);
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}
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Status TryReopenWithColumnFamilies(
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const std::vector<std::string>& cfs,
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const std::vector<const Options*>& options) {
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Close();
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EXPECT_EQ(cfs.size(), options.size());
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std::vector<ColumnFamilyDescriptor> column_families;
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for (size_t i = 0; i < cfs.size(); ++i) {
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column_families.push_back(ColumnFamilyDescriptor(cfs[i], *options[i]));
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}
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DBOptions db_opts = DBOptions(*options[0]);
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return DB::Open(db_opts, dbname_, column_families, &handles_, &db_);
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}
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Status TryReopen(Options* options = nullptr) {
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Close();
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Options opts;
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if (options != nullptr) {
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opts = *options;
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} else {
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opts.create_if_missing = true;
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}
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return DB::Open(opts, dbname_, &db_);
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}
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void Reopen(Options* options = nullptr) {
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ASSERT_OK(TryReopen(options));
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}
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void CreateAndReopenWithCF(const std::vector<std::string>& cfs,
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const Options* options = nullptr) {
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CreateColumnFamilies(cfs, options);
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std::vector<std::string> cfs_plus_default = cfs;
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cfs_plus_default.insert(cfs_plus_default.begin(), kDefaultColumnFamilyName);
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ReopenWithColumnFamilies(cfs_plus_default, options);
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}
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DBImpl* dbfull() {
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return reinterpret_cast<DBImpl*>(db_);
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}
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Status Put(int cf, const Slice& k, const Slice& v,
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WriteOptions wo = WriteOptions()) {
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return db_->Put(wo, handles_[cf], k, v);
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}
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Status Flush(int cf = 0) {
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FlushOptions opt = FlushOptions();
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opt.wait = true;
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if (cf == 0) {
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return db_->Flush(opt);
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} else {
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return db_->Flush(opt, handles_[cf]);
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}
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}
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DB* db_;
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std::string dbname_;
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std::vector<ColumnFamilyHandle*> handles_;
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};
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class TestCompactionListener : public EventListener {
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public:
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void OnCompactionCompleted(DB *db, const CompactionJobInfo& ci) override {
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compacted_dbs_.push_back(db);
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}
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std::vector<DB*> compacted_dbs_;
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};
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TEST_F(EventListenerTest, OnSingleDBCompactionTest) {
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const int kTestKeySize = 16;
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const int kTestValueSize = 984;
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const int kEntrySize = kTestKeySize + kTestValueSize;
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const int kEntriesPerBuffer = 100;
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const int kNumL0Files = 4;
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Options options;
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options.create_if_missing = true;
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options.write_buffer_size = kEntrySize * kEntriesPerBuffer;
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options.compaction_style = kCompactionStyleLevel;
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options.target_file_size_base = options.write_buffer_size;
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options.max_bytes_for_level_base = options.target_file_size_base * 2;
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options.max_bytes_for_level_multiplier = 2;
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options.compression = kNoCompression;
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options.enable_thread_tracking = true;
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options.level0_file_num_compaction_trigger = kNumL0Files;
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TestCompactionListener* listener = new TestCompactionListener();
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options.listeners.emplace_back(listener);
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std::vector<std::string> cf_names = {
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"pikachu", "ilya", "muromec", "dobrynia",
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"nikitich", "alyosha", "popovich"};
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CreateAndReopenWithCF(cf_names, &options);
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ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
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ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
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ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
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ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
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ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
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ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
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ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
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for (size_t i = 1; i < 8; ++i) {
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ASSERT_OK(Flush(static_cast<int>(i)));
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const Slice kStart = "a";
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const Slice kEnd = "z";
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ASSERT_OK(dbfull()->CompactRange(handles_[i], &kStart, &kEnd));
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dbfull()->TEST_WaitForFlushMemTable();
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dbfull()->TEST_WaitForCompact();
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}
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ASSERT_EQ(listener->compacted_dbs_.size(), cf_names.size());
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for (size_t i = 0; i < cf_names.size(); ++i) {
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ASSERT_EQ(listener->compacted_dbs_[i], db_);
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}
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}
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class TestFlushListener : public EventListener {
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public:
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void OnFlushCompleted(
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DB* db, const std::string& name,
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const std::string& file_path,
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bool triggered_writes_slowdown,
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bool triggered_writes_stop) override {
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flushed_dbs_.push_back(db);
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flushed_column_family_names_.push_back(name);
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if (triggered_writes_slowdown) {
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slowdown_count++;
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}
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if (triggered_writes_stop) {
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stop_count++;
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}
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}
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std::vector<std::string> flushed_column_family_names_;
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std::vector<DB*> flushed_dbs_;
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int slowdown_count;
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int stop_count;
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};
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TEST_F(EventListenerTest, OnSingleDBFlushTest) {
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Options options;
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options.write_buffer_size = 100000;
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TestFlushListener* listener = new TestFlushListener();
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options.listeners.emplace_back(listener);
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std::vector<std::string> cf_names = {
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"pikachu", "ilya", "muromec", "dobrynia",
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"nikitich", "alyosha", "popovich"};
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CreateAndReopenWithCF(cf_names, &options);
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ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
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ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
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ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
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ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
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ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
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ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
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ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
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for (size_t i = 1; i < 8; ++i) {
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ASSERT_OK(Flush(static_cast<int>(i)));
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dbfull()->TEST_WaitForFlushMemTable();
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ASSERT_EQ(listener->flushed_dbs_.size(), i);
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ASSERT_EQ(listener->flushed_column_family_names_.size(), i);
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}
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// make sure call-back functions are called in the right order
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for (size_t i = 0; i < cf_names.size(); ++i) {
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ASSERT_EQ(listener->flushed_dbs_[i], db_);
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ASSERT_EQ(listener->flushed_column_family_names_[i], cf_names[i]);
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}
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}
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TEST_F(EventListenerTest, MultiCF) {
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Options options;
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options.write_buffer_size = 100000;
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TestFlushListener* listener = new TestFlushListener();
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options.listeners.emplace_back(listener);
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std::vector<std::string> cf_names = {
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"pikachu", "ilya", "muromec", "dobrynia",
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"nikitich", "alyosha", "popovich"};
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CreateAndReopenWithCF(cf_names, &options);
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ASSERT_OK(Put(1, "pikachu", std::string(90000, 'p')));
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ASSERT_OK(Put(2, "ilya", std::string(90000, 'i')));
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ASSERT_OK(Put(3, "muromec", std::string(90000, 'm')));
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ASSERT_OK(Put(4, "dobrynia", std::string(90000, 'd')));
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ASSERT_OK(Put(5, "nikitich", std::string(90000, 'n')));
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ASSERT_OK(Put(6, "alyosha", std::string(90000, 'a')));
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ASSERT_OK(Put(7, "popovich", std::string(90000, 'p')));
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for (size_t i = 1; i < 8; ++i) {
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ASSERT_OK(Flush(static_cast<int>(i)));
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ASSERT_EQ(listener->flushed_dbs_.size(), i);
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ASSERT_EQ(listener->flushed_column_family_names_.size(), i);
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}
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// make sure call-back functions are called in the right order
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for (size_t i = 0; i < cf_names.size(); i++) {
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ASSERT_EQ(listener->flushed_dbs_[i], db_);
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ASSERT_EQ(listener->flushed_column_family_names_[i], cf_names[i]);
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}
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}
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TEST_F(EventListenerTest, MultiDBMultiListeners) {
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std::vector<TestFlushListener*> listeners;
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const int kNumDBs = 5;
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const int kNumListeners = 10;
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for (int i = 0; i < kNumListeners; ++i) {
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listeners.emplace_back(new TestFlushListener());
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}
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std::vector<std::string> cf_names = {
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"pikachu", "ilya", "muromec", "dobrynia",
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"nikitich", "alyosha", "popovich"};
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Options options;
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options.create_if_missing = true;
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for (int i = 0; i < kNumListeners; ++i) {
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options.listeners.emplace_back(listeners[i]);
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}
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DBOptions db_opts(options);
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ColumnFamilyOptions cf_opts(options);
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std::vector<DB*> dbs;
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std::vector<std::vector<ColumnFamilyHandle *>> vec_handles;
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for (int d = 0; d < kNumDBs; ++d) {
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ASSERT_OK(DestroyDB(dbname_ + ToString(d), options));
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DB* db;
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std::vector<ColumnFamilyHandle*> handles;
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ASSERT_OK(DB::Open(options, dbname_ + ToString(d), &db));
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for (size_t c = 0; c < cf_names.size(); ++c) {
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ColumnFamilyHandle* handle;
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db->CreateColumnFamily(cf_opts, cf_names[c], &handle);
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handles.push_back(handle);
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}
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vec_handles.push_back(std::move(handles));
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dbs.push_back(db);
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}
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for (int d = 0; d < kNumDBs; ++d) {
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for (size_t c = 0; c < cf_names.size(); ++c) {
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ASSERT_OK(dbs[d]->Put(WriteOptions(), vec_handles[d][c],
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cf_names[c], cf_names[c]));
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}
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}
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for (size_t c = 0; c < cf_names.size(); ++c) {
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for (int d = 0; d < kNumDBs; ++d) {
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ASSERT_OK(dbs[d]->Flush(FlushOptions(), vec_handles[d][c]));
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reinterpret_cast<DBImpl*>(dbs[d])->TEST_WaitForFlushMemTable();
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}
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}
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for (auto* listener : listeners) {
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int pos = 0;
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for (size_t c = 0; c < cf_names.size(); ++c) {
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for (int d = 0; d < kNumDBs; ++d) {
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ASSERT_EQ(listener->flushed_dbs_[pos], dbs[d]);
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ASSERT_EQ(listener->flushed_column_family_names_[pos], cf_names[c]);
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pos++;
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}
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}
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}
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for (auto handles : vec_handles) {
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for (auto h : handles) {
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delete h;
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}
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handles.clear();
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}
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vec_handles.clear();
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for (auto db : dbs) {
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delete db;
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}
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}
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TEST_F(EventListenerTest, DisableBGCompaction) {
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Options options;
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TestFlushListener* listener = new TestFlushListener();
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const int kSlowdownTrigger = 5;
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const int kStopTrigger = 10;
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options.level0_slowdown_writes_trigger = kSlowdownTrigger;
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options.level0_stop_writes_trigger = kStopTrigger;
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options.listeners.emplace_back(listener);
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// BG compaction is disabled. Number of L0 files will simply keeps
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// increasing in this test.
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options.compaction_style = kCompactionStyleNone;
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options.compression = kNoCompression;
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options.write_buffer_size = 100000; // Small write buffer
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CreateAndReopenWithCF({"pikachu"}, &options);
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WriteOptions wopts;
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wopts.timeout_hint_us = 100000;
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ColumnFamilyMetaData cf_meta;
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db_->GetColumnFamilyMetaData(handles_[1], &cf_meta);
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// keep writing until writes are forced to stop.
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for (int i = 0; static_cast<int>(cf_meta.file_count) < kStopTrigger; ++i) {
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Put(1, ToString(i), std::string(100000, 'x'), wopts);
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db_->GetColumnFamilyMetaData(handles_[1], &cf_meta);
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}
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ASSERT_GE(listener->slowdown_count, kStopTrigger - kSlowdownTrigger);
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ASSERT_GE(listener->stop_count, 1);
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}
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} // namespace rocksdb
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#endif // ROCKSDB_LITE
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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