fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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666 lines
20 KiB
666 lines
20 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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//
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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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#pragma once
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS
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#endif
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#include <fcntl.h>
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#include <inttypes.h>
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#ifndef OS_WIN
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#include <unistd.h>
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#endif
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#include <algorithm>
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#include <set>
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#include <string>
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#include <thread>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "db/db_impl.h"
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#include "db/dbformat.h"
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#include "db/filename.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/compaction_filter.h"
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#include "rocksdb/convenience.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/options.h"
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#include "rocksdb/slice.h"
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#include "rocksdb/table.h"
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#include "rocksdb/utilities/checkpoint.h"
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#include "table/block_based_table_factory.h"
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#include "table/mock_table.h"
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#include "table/plain_table_factory.h"
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#include "util/compression.h"
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#include "util/db_test_util.h"
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#include "util/hash_linklist_rep.h"
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#include "util/mock_env.h"
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#include "util/mutexlock.h"
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#include "util/scoped_arena_iterator.h"
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#include "util/string_util.h"
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// SyncPoint is not supported in Released Windows Mode.
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#if !(defined NDEBUG) || !defined(OS_WIN)
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#include "util/sync_point.h"
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#endif // !(defined NDEBUG) || !defined(OS_WIN)
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#include "util/testharness.h"
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#include "util/testutil.h"
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#include "util/xfunc.h"
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#include "utilities/merge_operators.h"
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namespace rocksdb {
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namespace anon {
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class AtomicCounter {
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public:
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explicit AtomicCounter(Env* env = NULL)
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: env_(env), cond_count_(&mu_), count_(0) {}
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void Increment() {
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MutexLock l(&mu_);
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count_++;
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cond_count_.SignalAll();
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}
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int Read() {
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MutexLock l(&mu_);
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return count_;
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}
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bool WaitFor(int count) {
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MutexLock l(&mu_);
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uint64_t start = env_->NowMicros();
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while (count_ < count) {
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uint64_t now = env_->NowMicros();
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cond_count_.TimedWait(now + /*1s*/ 1 * 1000 * 1000);
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if (env_->NowMicros() - start > /*10s*/ 10 * 1000 * 1000) {
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return false;
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}
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if (count_ < count) {
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GTEST_LOG_(WARNING) << "WaitFor is taking more time than usual";
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}
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}
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return true;
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}
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void Reset() {
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MutexLock l(&mu_);
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count_ = 0;
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cond_count_.SignalAll();
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}
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private:
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Env* env_;
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port::Mutex mu_;
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port::CondVar cond_count_;
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int count_;
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};
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struct OptionsOverride {
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std::shared_ptr<const FilterPolicy> filter_policy = nullptr;
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// Used as a bit mask of individual enums in which to skip an XF test point
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int skip_policy = 0;
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};
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} // namespace anon
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// Special Env used to delay background operations
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class SpecialEnv : public EnvWrapper {
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public:
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explicit SpecialEnv(Env* base);
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Status NewWritableFile(const std::string& f, unique_ptr<WritableFile>* r,
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const EnvOptions& soptions) override {
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class SSTableFile : public WritableFile {
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private:
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SpecialEnv* env_;
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unique_ptr<WritableFile> base_;
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public:
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SSTableFile(SpecialEnv* env, unique_ptr<WritableFile>&& base)
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: env_(env),
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base_(std::move(base)) {
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}
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Status Append(const Slice& data) override {
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if (env_->table_write_callback_) {
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(*env_->table_write_callback_)();
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}
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if (env_->drop_writes_.load(std::memory_order_acquire)) {
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// Drop writes on the floor
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return Status::OK();
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} else if (env_->no_space_.load(std::memory_order_acquire)) {
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return Status::IOError("No space left on device");
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} else {
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env_->bytes_written_ += data.size();
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return base_->Append(data);
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}
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}
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Status Truncate(uint64_t size) override {
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return base_->Truncate(size);
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}
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Status Close() override {
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// SyncPoint is not supported in Released Windows Mode.
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#if !(defined NDEBUG) || !defined(OS_WIN)
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// Check preallocation size
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// preallocation size is never passed to base file.
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size_t preallocation_size = preallocation_block_size();
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TEST_SYNC_POINT_CALLBACK("DBTestWritableFile.GetPreallocationStatus",
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&preallocation_size);
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#endif // !(defined NDEBUG) || !defined(OS_WIN)
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return base_->Close();
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}
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Status Flush() override { return base_->Flush(); }
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Status Sync() override {
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++env_->sync_counter_;
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while (env_->delay_sstable_sync_.load(std::memory_order_acquire)) {
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env_->SleepForMicroseconds(100000);
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}
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return base_->Sync();
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}
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void SetIOPriority(Env::IOPriority pri) override {
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base_->SetIOPriority(pri);
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}
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Env::IOPriority GetIOPriority() override {
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return base_->GetIOPriority();
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}
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};
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class ManifestFile : public WritableFile {
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public:
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ManifestFile(SpecialEnv* env, unique_ptr<WritableFile>&& b)
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: env_(env), base_(std::move(b)) { }
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Status Append(const Slice& data) override {
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if (env_->manifest_write_error_.load(std::memory_order_acquire)) {
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return Status::IOError("simulated writer error");
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} else {
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return base_->Append(data);
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}
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}
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Status Truncate(uint64_t size) override { return base_->Truncate(size); }
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Status Close() override { return base_->Close(); }
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Status Flush() override { return base_->Flush(); }
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Status Sync() override {
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++env_->sync_counter_;
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if (env_->manifest_sync_error_.load(std::memory_order_acquire)) {
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return Status::IOError("simulated sync error");
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} else {
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return base_->Sync();
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}
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}
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uint64_t GetFileSize() override { return base_->GetFileSize(); }
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private:
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SpecialEnv* env_;
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unique_ptr<WritableFile> base_;
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};
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class WalFile : public WritableFile {
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public:
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WalFile(SpecialEnv* env, unique_ptr<WritableFile>&& b)
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: env_(env), base_(std::move(b)) {}
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Status Append(const Slice& data) override {
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#if !(defined NDEBUG) || !defined(OS_WIN)
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TEST_SYNC_POINT("SpecialEnv::WalFile::Append:1");
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#endif
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Status s;
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if (env_->log_write_error_.load(std::memory_order_acquire)) {
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s = Status::IOError("simulated writer error");
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} else {
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int slowdown =
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env_->log_write_slowdown_.load(std::memory_order_acquire);
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if (slowdown > 0) {
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env_->SleepForMicroseconds(slowdown);
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}
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s = base_->Append(data);
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}
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#if !(defined NDEBUG) || !defined(OS_WIN)
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TEST_SYNC_POINT("SpecialEnv::WalFile::Append:2");
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#endif
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return s;
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}
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Status Truncate(uint64_t size) override { return base_->Truncate(size); }
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Status Close() override { return base_->Close(); }
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Status Flush() override { return base_->Flush(); }
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Status Sync() override {
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++env_->sync_counter_;
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return base_->Sync();
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}
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bool IsSyncThreadSafe() const override {
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return env_->is_wal_sync_thread_safe_.load();
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}
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private:
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SpecialEnv* env_;
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unique_ptr<WritableFile> base_;
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};
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if (non_writeable_rate_.load(std::memory_order_acquire) > 0) {
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uint32_t random_number;
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{
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MutexLock l(&rnd_mutex_);
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random_number = rnd_.Uniform(100);
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}
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if (random_number < non_writeable_rate_.load()) {
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return Status::IOError("simulated random write error");
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}
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}
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new_writable_count_++;
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if (non_writable_count_.load() > 0) {
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non_writable_count_--;
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return Status::IOError("simulated write error");
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}
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Status s = target()->NewWritableFile(f, r, soptions);
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if (s.ok()) {
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if (strstr(f.c_str(), ".sst") != nullptr) {
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r->reset(new SSTableFile(this, std::move(*r)));
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} else if (strstr(f.c_str(), "MANIFEST") != nullptr) {
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r->reset(new ManifestFile(this, std::move(*r)));
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} else if (strstr(f.c_str(), "log") != nullptr) {
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r->reset(new WalFile(this, std::move(*r)));
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}
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}
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return s;
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}
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Status NewRandomAccessFile(const std::string& f,
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unique_ptr<RandomAccessFile>* r,
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const EnvOptions& soptions) override {
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class CountingFile : public RandomAccessFile {
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public:
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CountingFile(unique_ptr<RandomAccessFile>&& target,
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anon::AtomicCounter* counter)
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: target_(std::move(target)), counter_(counter) {
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}
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virtual Status Read(uint64_t offset, size_t n, Slice* result,
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char* scratch) const override {
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counter_->Increment();
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return target_->Read(offset, n, result, scratch);
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}
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private:
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unique_ptr<RandomAccessFile> target_;
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anon::AtomicCounter* counter_;
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};
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Status s = target()->NewRandomAccessFile(f, r, soptions);
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random_file_open_counter_++;
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if (s.ok() && count_random_reads_) {
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r->reset(new CountingFile(std::move(*r), &random_read_counter_));
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}
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return s;
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}
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Status NewSequentialFile(const std::string& f, unique_ptr<SequentialFile>* r,
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const EnvOptions& soptions) override {
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class CountingFile : public SequentialFile {
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public:
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CountingFile(unique_ptr<SequentialFile>&& target,
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anon::AtomicCounter* counter)
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: target_(std::move(target)), counter_(counter) {}
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virtual Status Read(size_t n, Slice* result, char* scratch) override {
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counter_->Increment();
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return target_->Read(n, result, scratch);
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}
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virtual Status Skip(uint64_t n) override { return target_->Skip(n); }
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private:
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unique_ptr<SequentialFile> target_;
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anon::AtomicCounter* counter_;
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};
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Status s = target()->NewSequentialFile(f, r, soptions);
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if (s.ok() && count_sequential_reads_) {
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r->reset(new CountingFile(std::move(*r), &sequential_read_counter_));
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}
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return s;
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}
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virtual void SleepForMicroseconds(int micros) override {
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sleep_counter_.Increment();
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if (no_sleep_) {
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addon_time_.fetch_add(micros);
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} else {
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target()->SleepForMicroseconds(micros);
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}
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}
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virtual Status GetCurrentTime(int64_t* unix_time) override {
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Status s = target()->GetCurrentTime(unix_time);
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if (s.ok()) {
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*unix_time += addon_time_.load();
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}
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return s;
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}
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virtual uint64_t NowNanos() override {
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return target()->NowNanos() + addon_time_.load() * 1000;
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}
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virtual uint64_t NowMicros() override {
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return target()->NowMicros() + addon_time_.load();
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}
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Random rnd_;
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port::Mutex rnd_mutex_; // Lock to pretect rnd_
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// sstable Sync() calls are blocked while this pointer is non-nullptr.
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std::atomic<bool> delay_sstable_sync_;
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// Drop writes on the floor while this pointer is non-nullptr.
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std::atomic<bool> drop_writes_;
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// Simulate no-space errors while this pointer is non-nullptr.
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std::atomic<bool> no_space_;
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// Simulate non-writable file system while this pointer is non-nullptr
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std::atomic<bool> non_writable_;
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// Force sync of manifest files to fail while this pointer is non-nullptr
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std::atomic<bool> manifest_sync_error_;
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// Force write to manifest files to fail while this pointer is non-nullptr
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std::atomic<bool> manifest_write_error_;
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// Force write to log files to fail while this pointer is non-nullptr
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std::atomic<bool> log_write_error_;
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// Slow down every log write, in micro-seconds.
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std::atomic<int> log_write_slowdown_;
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bool count_random_reads_;
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anon::AtomicCounter random_read_counter_;
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std::atomic<int> random_file_open_counter_;
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bool count_sequential_reads_;
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anon::AtomicCounter sequential_read_counter_;
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anon::AtomicCounter sleep_counter_;
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std::atomic<int64_t> bytes_written_;
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std::atomic<int> sync_counter_;
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std::atomic<uint32_t> non_writeable_rate_;
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std::atomic<uint32_t> new_writable_count_;
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std::atomic<uint32_t> non_writable_count_;
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std::function<void()>* table_write_callback_;
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std::atomic<int64_t> addon_time_;
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bool no_sleep_;
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std::atomic<bool> is_wal_sync_thread_safe_ {true};
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};
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class DBTestBase : 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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kBlockBasedTableWithPrefixHashIndex = 1,
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kBlockBasedTableWithWholeKeyHashIndex = 2,
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kPlainTableFirstBytePrefix = 3,
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kPlainTableCappedPrefix = 4,
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kPlainTableAllBytesPrefix = 5,
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kVectorRep = 6,
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kHashLinkList = 7,
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kHashCuckoo = 8,
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kMergePut = 9,
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kFilter = 10,
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kFullFilterWithNewTableReaderForCompactions = 11,
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kUncompressed = 12,
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kNumLevel_3 = 13,
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kDBLogDir = 14,
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kWalDirAndMmapReads = 15,
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kManifestFileSize = 16,
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kPerfOptions = 17,
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kDeletesFilterFirst = 18,
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kHashSkipList = 19,
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kUniversalCompaction = 20,
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kUniversalCompactionMultiLevel = 21,
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kCompressedBlockCache = 22,
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kInfiniteMaxOpenFiles = 23,
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kxxHashChecksum = 24,
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kFIFOCompaction = 25,
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kOptimizeFiltersForHits = 26,
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kRowCache = 27,
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kLevelSubcompactions = 28,
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kUniversalSubcompactions = 29,
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kEnd = 28
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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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std::string alternative_db_log_dir_;
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MockEnv* mem_env_;
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SpecialEnv* env_;
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DB* db_;
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std::vector<ColumnFamilyHandle*> handles_;
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Options last_options_;
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// Skip some options, as they may not be applicable to a specific test.
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// To add more skip constants, use values 4, 8, 16, etc.
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enum OptionSkip {
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kNoSkip = 0,
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kSkipDeletesFilterFirst = 1,
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kSkipUniversalCompaction = 2,
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kSkipMergePut = 4,
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kSkipPlainTable = 8,
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kSkipHashIndex = 16,
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kSkipNoSeekToLast = 32,
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kSkipHashCuckoo = 64,
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kSkipFIFOCompaction = 128,
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kSkipMmapReads = 256,
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};
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explicit DBTestBase(const std::string path);
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~DBTestBase();
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static std::string RandomString(Random* rnd, int len) {
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std::string r;
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test::RandomString(rnd, len, &r);
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return r;
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}
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static std::string Key(int i) {
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char buf[100];
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snprintf(buf, sizeof(buf), "key%06d", i);
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return std::string(buf);
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}
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// Switch to a fresh database with the next option configuration to
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// test. Return false if there are no more configurations to test.
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bool ChangeOptions(int skip_mask = kNoSkip);
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// Switch between different compaction styles (we have only 2 now).
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bool ChangeCompactOptions();
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// Switch between different filter policy
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// Jump from kDefault to kFilter to kFullFilter
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bool ChangeFilterOptions();
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// Return the current option configuration.
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Options CurrentOptions(
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const anon::OptionsOverride& options_override = anon::OptionsOverride());
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Options CurrentOptions(
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const Options& defaultOptions,
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const anon::OptionsOverride& options_override = anon::OptionsOverride());
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DBImpl* dbfull() {
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return reinterpret_cast<DBImpl*>(db_);
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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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void CreateAndReopenWithCF(const std::vector<std::string>& cfs,
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const Options& options);
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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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void ReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options);
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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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Status TryReopenWithColumnFamilies(const std::vector<std::string>& cfs,
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const Options& options);
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void Reopen(const Options& options);
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void Close();
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void DestroyAndReopen(const Options& options);
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void Destroy(const Options& options);
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|
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Status ReadOnlyReopen(const Options& options);
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Status TryReopen(const Options& options);
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Status Flush(int cf = 0);
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Status Put(const Slice& k, const Slice& v, WriteOptions wo = WriteOptions());
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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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|
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Status Delete(const std::string& k);
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Status Delete(int cf, const std::string& k);
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|
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|
Status SingleDelete(const std::string& k);
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|
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Status SingleDelete(int cf, const std::string& k);
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|
|
|
std::string Get(const std::string& k, const Snapshot* snapshot = nullptr);
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|
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std::string Get(int cf, const std::string& k,
|
|
const Snapshot* snapshot = nullptr);
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|
|
|
uint64_t GetNumSnapshots();
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|
|
|
uint64_t GetTimeOldestSnapshots();
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|
|
|
// Return a string that contains all key,value pairs in order,
|
|
// formatted like "(k1->v1)(k2->v2)".
|
|
std::string Contents(int cf = 0);
|
|
|
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std::string AllEntriesFor(const Slice& user_key, int cf = 0);
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|
|
|
int NumSortedRuns(int cf = 0);
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|
|
|
uint64_t TotalSize(int cf = 0);
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|
|
|
int NumTableFilesAtLevel(int level, int cf = 0);
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|
|
|
uint64_t SizeAtLevel(int level);
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|
|
|
int TotalLiveFiles(int cf = 0);
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|
|
|
int TotalTableFiles(int cf = 0, int levels = -1);
|
|
|
|
// Return spread of files per level
|
|
std::string FilesPerLevel(int cf = 0);
|
|
|
|
size_t CountFiles();
|
|
|
|
size_t CountLiveFiles();
|
|
|
|
uint64_t Size(const Slice& start, const Slice& limit, int cf = 0);
|
|
|
|
void Compact(int cf, const Slice& start, const Slice& limit,
|
|
uint32_t target_path_id);
|
|
|
|
void Compact(int cf, const Slice& start, const Slice& limit);
|
|
|
|
void Compact(const Slice& start, const Slice& limit);
|
|
|
|
// Do n memtable compactions, each of which produces an sstable
|
|
// covering the range [small,large].
|
|
void MakeTables(int n, const std::string& small, const std::string& large,
|
|
int cf = 0);
|
|
|
|
// Prevent pushing of new sstables into deeper levels by adding
|
|
// tables that cover a specified range to all levels.
|
|
void FillLevels(const std::string& smallest, const std::string& largest,
|
|
int cf);
|
|
|
|
void MoveFilesToLevel(int level, int cf = 0);
|
|
|
|
void DumpFileCounts(const char* label);
|
|
|
|
std::string DumpSSTableList();
|
|
|
|
int GetSstFileCount(std::string path);
|
|
|
|
// this will generate non-overlapping files since it keeps increasing key_idx
|
|
void GenerateNewFile(Random* rnd, int* key_idx, bool nowait = false);
|
|
|
|
void GenerateNewFile(int fd, Random* rnd, int* key_idx, bool nowait = false);
|
|
|
|
void GenerateNewRandomFile(Random* rnd, bool nowait = false);
|
|
|
|
std::string IterStatus(Iterator* iter);
|
|
|
|
Options OptionsForLogIterTest();
|
|
|
|
std::string DummyString(size_t len, char c = 'a');
|
|
|
|
void VerifyIterLast(std::string expected_key, int cf = 0);
|
|
|
|
// Used to test InplaceUpdate
|
|
|
|
// If previous value is nullptr or delta is > than previous value,
|
|
// sets newValue with delta
|
|
// If previous value is not empty,
|
|
// updates previous value with 'b' string of previous value size - 1.
|
|
static UpdateStatus updateInPlaceSmallerSize(
|
|
char* prevValue, uint32_t* prevSize,
|
|
Slice delta, std::string* newValue);
|
|
|
|
static UpdateStatus updateInPlaceSmallerVarintSize(
|
|
char* prevValue, uint32_t* prevSize,
|
|
Slice delta, std::string* newValue);
|
|
|
|
static UpdateStatus updateInPlaceLargerSize(
|
|
char* prevValue, uint32_t* prevSize,
|
|
Slice delta, std::string* newValue);
|
|
|
|
static UpdateStatus updateInPlaceNoAction(
|
|
char* prevValue, uint32_t* prevSize,
|
|
Slice delta, std::string* newValue);
|
|
|
|
// Utility method to test InplaceUpdate
|
|
void validateNumberOfEntries(int numValues, int cf = 0);
|
|
|
|
void CopyFile(const std::string& source, const std::string& destination,
|
|
uint64_t size = 0);
|
|
};
|
|
|
|
} // namespace rocksdb
|
|
|