fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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529 lines
17 KiB
529 lines
17 KiB
// 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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// Syncpoint prevents us building and running tests in release
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#ifndef ROCKSDB_LITE
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#ifndef OS_WIN
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#include <unistd.h>
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#endif
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#include <iostream>
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#include <thread>
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#include <utility>
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#include "db/db_impl.h"
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#include "port/stack_trace.h"
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#include "port/port.h"
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#include "rocksdb/db.h"
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#include "rocksdb/env.h"
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#include "rocksdb/utilities/checkpoint.h"
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#include "rocksdb/utilities/transaction_db.h"
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#include "util/sync_point.h"
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#include "util/testharness.h"
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#include "util/xfunc.h"
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namespace rocksdb {
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class CheckpointTest : public testing::Test {
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protected:
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// Sequence of option configurations to try
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enum OptionConfig {
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kDefault = 0,
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};
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int option_config_;
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public:
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std::string dbname_;
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std::string alternative_wal_dir_;
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Env* env_;
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DB* db_;
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Options last_options_;
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std::vector<ColumnFamilyHandle*> handles_;
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CheckpointTest() : env_(Env::Default()) {
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env_->SetBackgroundThreads(1, Env::LOW);
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env_->SetBackgroundThreads(1, Env::HIGH);
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dbname_ = test::TmpDir(env_) + "/db_test";
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alternative_wal_dir_ = dbname_ + "/wal";
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auto options = CurrentOptions();
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auto delete_options = options;
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delete_options.wal_dir = alternative_wal_dir_;
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EXPECT_OK(DestroyDB(dbname_, delete_options));
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// Destroy it for not alternative WAL dir is used.
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EXPECT_OK(DestroyDB(dbname_, options));
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db_ = nullptr;
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Reopen(options);
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}
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~CheckpointTest() {
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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rocksdb::SyncPoint::GetInstance()->LoadDependency({});
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rocksdb::SyncPoint::GetInstance()->ClearAllCallBacks();
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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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// Return the current option configuration.
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Options CurrentOptions() {
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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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return options;
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}
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void CreateColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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ColumnFamilyOptions cf_opts(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 CreateAndReopenWithCF(const std::vector<std::string>& cfs,
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const Options& options) {
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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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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const std::vector<Options>& options) {
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ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
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}
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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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ASSERT_OK(TryReopenWithColumnFamilies(cfs, options));
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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<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 TryReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options) {
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Close();
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std::vector<Options> v_opts(cfs.size(), options);
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return TryReopenWithColumnFamilies(cfs, v_opts);
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}
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void Reopen(const Options& options) {
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ASSERT_OK(TryReopen(options));
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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 DestroyAndReopen(const Options& options) {
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// Destroy using last options
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Destroy(last_options_);
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ASSERT_OK(TryReopen(options));
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}
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void Destroy(const Options& options) {
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Close();
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ASSERT_OK(DestroyDB(dbname_, options));
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}
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Status ReadOnlyReopen(const Options& options) {
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return DB::OpenForReadOnly(options, dbname_, &db_);
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}
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Status TryReopen(const Options& options) {
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Close();
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last_options_ = options;
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return DB::Open(options, dbname_, &db_);
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}
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Status Flush(int cf = 0) {
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if (cf == 0) {
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return db_->Flush(FlushOptions());
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} else {
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return db_->Flush(FlushOptions(), handles_[cf]);
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}
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}
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Status Put(const Slice& k, const Slice& v, WriteOptions wo = WriteOptions()) {
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return db_->Put(wo, k, v);
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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 Delete(const std::string& k) {
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return db_->Delete(WriteOptions(), k);
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}
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Status Delete(int cf, const std::string& k) {
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return db_->Delete(WriteOptions(), handles_[cf], k);
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}
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std::string Get(const std::string& k, const Snapshot* snapshot = nullptr) {
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ReadOptions options;
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options.verify_checksums = true;
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options.snapshot = snapshot;
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std::string result;
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Status s = db_->Get(options, k, &result);
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if (s.IsNotFound()) {
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result = "NOT_FOUND";
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} else if (!s.ok()) {
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result = s.ToString();
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}
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return result;
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}
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std::string Get(int cf, const std::string& k,
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const Snapshot* snapshot = nullptr) {
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ReadOptions options;
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options.verify_checksums = true;
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options.snapshot = snapshot;
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std::string result;
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Status s = db_->Get(options, handles_[cf], k, &result);
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if (s.IsNotFound()) {
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result = "NOT_FOUND";
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} else if (!s.ok()) {
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result = s.ToString();
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}
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return result;
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}
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};
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TEST_F(CheckpointTest, GetSnapshotLink) {
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Options options;
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const std::string snapshot_name = test::TmpDir(env_) + "/snapshot";
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DB* snapshotDB;
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ReadOptions roptions;
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std::string result;
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Checkpoint* checkpoint;
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options = CurrentOptions();
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delete db_;
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db_ = nullptr;
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ASSERT_OK(DestroyDB(dbname_, options));
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ASSERT_OK(DestroyDB(snapshot_name, options));
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env_->DeleteDir(snapshot_name);
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// Create a database
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Status s;
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options.create_if_missing = true;
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ASSERT_OK(DB::Open(options, dbname_, &db_));
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std::string key = std::string("foo");
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ASSERT_OK(Put(key, "v1"));
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// Take a snapshot
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ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(snapshot_name));
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ASSERT_OK(Put(key, "v2"));
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ASSERT_EQ("v2", Get(key));
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ASSERT_OK(Flush());
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ASSERT_EQ("v2", Get(key));
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// Open snapshot and verify contents while DB is running
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options.create_if_missing = false;
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ASSERT_OK(DB::Open(options, snapshot_name, &snapshotDB));
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ASSERT_OK(snapshotDB->Get(roptions, key, &result));
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ASSERT_EQ("v1", result);
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delete snapshotDB;
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snapshotDB = nullptr;
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delete db_;
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db_ = nullptr;
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// Destroy original DB
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ASSERT_OK(DestroyDB(dbname_, options));
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// Open snapshot and verify contents
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options.create_if_missing = false;
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dbname_ = snapshot_name;
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ASSERT_OK(DB::Open(options, dbname_, &db_));
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ASSERT_EQ("v1", Get(key));
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delete db_;
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db_ = nullptr;
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ASSERT_OK(DestroyDB(dbname_, options));
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delete checkpoint;
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// Restore DB name
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dbname_ = test::TmpDir(env_) + "/db_test";
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}
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TEST_F(CheckpointTest, CheckpointCF) {
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Options options = CurrentOptions();
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CreateAndReopenWithCF({"one", "two", "three", "four", "five"}, options);
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rocksdb::SyncPoint::GetInstance()->LoadDependency(
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{{"CheckpointTest::CheckpointCF:2", "DBImpl::GetLiveFiles:2"},
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{"DBImpl::GetLiveFiles:1", "CheckpointTest::CheckpointCF:1"}});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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ASSERT_OK(Put(0, "Default", "Default"));
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ASSERT_OK(Put(1, "one", "one"));
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ASSERT_OK(Put(2, "two", "two"));
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ASSERT_OK(Put(3, "three", "three"));
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ASSERT_OK(Put(4, "four", "four"));
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ASSERT_OK(Put(5, "five", "five"));
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const std::string snapshot_name = test::TmpDir(env_) + "/snapshot";
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DB* snapshotDB;
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ReadOptions roptions;
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std::string result;
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std::vector<ColumnFamilyHandle*> cphandles;
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ASSERT_OK(DestroyDB(snapshot_name, options));
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env_->DeleteDir(snapshot_name);
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Status s;
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// Take a snapshot
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rocksdb::port::Thread t([&]() {
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Checkpoint* checkpoint;
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ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(snapshot_name));
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delete checkpoint;
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});
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TEST_SYNC_POINT("CheckpointTest::CheckpointCF:1");
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ASSERT_OK(Put(0, "Default", "Default1"));
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ASSERT_OK(Put(1, "one", "eleven"));
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ASSERT_OK(Put(2, "two", "twelve"));
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ASSERT_OK(Put(3, "three", "thirteen"));
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ASSERT_OK(Put(4, "four", "fourteen"));
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ASSERT_OK(Put(5, "five", "fifteen"));
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TEST_SYNC_POINT("CheckpointTest::CheckpointCF:2");
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t.join();
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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ASSERT_OK(Put(1, "one", "twentyone"));
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ASSERT_OK(Put(2, "two", "twentytwo"));
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ASSERT_OK(Put(3, "three", "twentythree"));
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ASSERT_OK(Put(4, "four", "twentyfour"));
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ASSERT_OK(Put(5, "five", "twentyfive"));
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ASSERT_OK(Flush());
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// Open snapshot and verify contents while DB is running
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options.create_if_missing = false;
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std::vector<std::string> cfs;
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cfs= {kDefaultColumnFamilyName, "one", "two", "three", "four", "five"};
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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));
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}
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ASSERT_OK(DB::Open(options, snapshot_name,
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column_families, &cphandles, &snapshotDB));
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[0], "Default", &result));
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ASSERT_EQ("Default1", result);
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[1], "one", &result));
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ASSERT_EQ("eleven", result);
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ASSERT_OK(snapshotDB->Get(roptions, cphandles[2], "two", &result));
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for (auto h : cphandles) {
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delete h;
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}
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cphandles.clear();
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delete snapshotDB;
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snapshotDB = nullptr;
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ASSERT_OK(DestroyDB(snapshot_name, options));
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}
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TEST_F(CheckpointTest, CurrentFileModifiedWhileCheckpointing) {
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const std::string kSnapshotName = test::TmpDir(env_) + "/snapshot";
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ASSERT_OK(DestroyDB(kSnapshotName, CurrentOptions()));
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env_->DeleteDir(kSnapshotName);
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Options options = CurrentOptions();
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options.max_manifest_file_size = 0; // always rollover manifest for file add
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Reopen(options);
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rocksdb::SyncPoint::GetInstance()->LoadDependency(
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{// Get past the flush in the checkpoint thread before adding any keys to
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// the db so the checkpoint thread won't hit the WriteManifest
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// syncpoints.
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{"DBImpl::GetLiveFiles:1",
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"CheckpointTest::CurrentFileModifiedWhileCheckpointing:PrePut"},
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// Roll the manifest during checkpointing right after live files are
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// snapshotted.
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{"CheckpointImpl::CreateCheckpoint:SavedLiveFiles1",
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"VersionSet::LogAndApply:WriteManifest"},
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{"VersionSet::LogAndApply:WriteManifestDone",
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"CheckpointImpl::CreateCheckpoint:SavedLiveFiles2"}});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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rocksdb::port::Thread t([&]() {
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Checkpoint* checkpoint;
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ASSERT_OK(Checkpoint::Create(db_, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(kSnapshotName));
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delete checkpoint;
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});
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TEST_SYNC_POINT(
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"CheckpointTest::CurrentFileModifiedWhileCheckpointing:PrePut");
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ASSERT_OK(Put("Default", "Default1"));
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ASSERT_OK(Flush());
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t.join();
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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DB* snapshotDB;
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// Successful Open() implies that CURRENT pointed to the manifest in the
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// checkpoint.
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ASSERT_OK(DB::Open(options, kSnapshotName, &snapshotDB));
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delete snapshotDB;
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snapshotDB = nullptr;
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}
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TEST_F(CheckpointTest, CurrentFileModifiedWhileCheckpointing2PC) {
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Close();
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const std::string kSnapshotName = test::TmpDir(env_) + "/snapshot";
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const std::string dbname = test::TmpDir() + "/transaction_testdb";
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ASSERT_OK(DestroyDB(kSnapshotName, CurrentOptions()));
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ASSERT_OK(DestroyDB(dbname, CurrentOptions()));
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env_->DeleteDir(kSnapshotName);
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env_->DeleteDir(dbname);
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Options options = CurrentOptions();
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options.allow_2pc = true;
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// allow_2pc is implicitly set with tx prepare
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// options.allow_2pc = true;
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TransactionDBOptions txn_db_options;
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TransactionDB* txdb;
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Status s = TransactionDB::Open(options, txn_db_options, dbname, &txdb);
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assert(s.ok());
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ColumnFamilyHandle* cfa;
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ColumnFamilyHandle* cfb;
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ColumnFamilyOptions cf_options;
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ASSERT_OK(txdb->CreateColumnFamily(cf_options, "CFA", &cfa));
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WriteOptions write_options;
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// Insert something into CFB so lots of log files will be kept
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// before creating the checkpoint.
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ASSERT_OK(txdb->CreateColumnFamily(cf_options, "CFB", &cfb));
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ASSERT_OK(txdb->Put(write_options, cfb, "", ""));
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ReadOptions read_options;
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std::string value;
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TransactionOptions txn_options;
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Transaction* txn = txdb->BeginTransaction(write_options, txn_options);
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s = txn->SetName("xid");
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ASSERT_OK(s);
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ASSERT_EQ(txdb->GetTransactionByName("xid"), txn);
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s = txn->Put(Slice("foo"), Slice("bar"));
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s = txn->Put(cfa, Slice("foocfa"), Slice("barcfa"));
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ASSERT_OK(s);
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// Writing prepare into middle of first WAL, then flush WALs many times
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for (int i = 1; i <= 100000; i++) {
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Transaction* tx = txdb->BeginTransaction(write_options, txn_options);
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ASSERT_OK(tx->SetName("x"));
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ASSERT_OK(tx->Put(Slice(std::to_string(i)), Slice("val")));
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ASSERT_OK(tx->Put(cfa, Slice("aaa"), Slice("111")));
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ASSERT_OK(tx->Prepare());
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ASSERT_OK(tx->Commit());
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if (i % 10000 == 0) {
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txdb->Flush(FlushOptions());
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}
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if (i == 88888) {
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ASSERT_OK(txn->Prepare());
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}
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delete tx;
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}
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rocksdb::SyncPoint::GetInstance()->LoadDependency(
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{{"CheckpointImpl::CreateCheckpoint:SavedLiveFiles1",
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"CheckpointTest::CurrentFileModifiedWhileCheckpointing2PC:PreCommit"},
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{"CheckpointTest::CurrentFileModifiedWhileCheckpointing2PC:PostCommit",
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"CheckpointImpl::CreateCheckpoint:SavedLiveFiles2"}});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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rocksdb::port::Thread t([&]() {
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Checkpoint* checkpoint;
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ASSERT_OK(Checkpoint::Create(txdb, &checkpoint));
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ASSERT_OK(checkpoint->CreateCheckpoint(kSnapshotName));
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delete checkpoint;
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});
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TEST_SYNC_POINT(
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"CheckpointTest::CurrentFileModifiedWhileCheckpointing2PC:PreCommit");
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ASSERT_OK(txn->Commit());
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delete txn;
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TEST_SYNC_POINT(
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"CheckpointTest::CurrentFileModifiedWhileCheckpointing2PC:PostCommit");
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t.join();
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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// No more than two logs files should exist.
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std::vector<std::string> files;
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env_->GetChildren(kSnapshotName, &files);
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int num_log_files = 0;
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for (auto& file : files) {
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uint64_t num;
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FileType type;
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WalFileType log_type;
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if (ParseFileName(file, &num, &type, &log_type) && type == kLogFile) {
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num_log_files++;
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}
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}
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// One flush after preapare + one outstanding file before checkpoint + one log
|
|
// file generated after checkpoint.
|
|
ASSERT_LE(num_log_files, 3);
|
|
|
|
TransactionDB* snapshotDB;
|
|
std::vector<ColumnFamilyDescriptor> column_families;
|
|
column_families.push_back(
|
|
ColumnFamilyDescriptor(kDefaultColumnFamilyName, ColumnFamilyOptions()));
|
|
column_families.push_back(
|
|
ColumnFamilyDescriptor("CFA", ColumnFamilyOptions()));
|
|
column_families.push_back(
|
|
ColumnFamilyDescriptor("CFB", ColumnFamilyOptions()));
|
|
std::vector<rocksdb::ColumnFamilyHandle*> cf_handles;
|
|
ASSERT_OK(TransactionDB::Open(options, txn_db_options, kSnapshotName,
|
|
column_families, &cf_handles, &snapshotDB));
|
|
ASSERT_OK(snapshotDB->Get(read_options, "foo", &value));
|
|
ASSERT_EQ(value, "bar");
|
|
ASSERT_OK(snapshotDB->Get(read_options, cf_handles[1], "foocfa", &value));
|
|
ASSERT_EQ(value, "barcfa");
|
|
|
|
delete cfa;
|
|
delete cfb;
|
|
delete cf_handles[0];
|
|
delete cf_handles[1];
|
|
delete cf_handles[2];
|
|
delete snapshotDB;
|
|
snapshotDB = nullptr;
|
|
delete txdb;
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|
|
#else
|
|
#include <stdio.h>
|
|
|
|
int main(int argc, char** argv) {
|
|
fprintf(stderr, "SKIPPED as Checkpoint is not supported in ROCKSDB_LITE\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif // !ROCKSDB_LITE
|
|
|