fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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571 lines
18 KiB
571 lines
18 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#ifndef ROCKSDB_LITE
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#include <stdlib.h>
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#include <map>
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#include <string>
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#include <vector>
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#include "db/db_impl/db_impl.h"
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#include "db/db_test_util.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 "file/filename.h"
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#include "port/stack_trace.h"
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#include "rocksdb/db.h"
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#include "rocksdb/env.h"
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#include "rocksdb/transaction_log.h"
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#include "test_util/sync_point.h"
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#include "test_util/testharness.h"
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#include "test_util/testutil.h"
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#include "util/string_util.h"
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namespace rocksdb {
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class DeleteFileTest : public DBTestBase {
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public:
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const int numlevels_;
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const std::string wal_dir_;
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DeleteFileTest()
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: DBTestBase("/deletefile_test"),
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numlevels_(7),
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wal_dir_(dbname_ + "/wal_files") {}
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void SetOptions(Options* options) {
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assert(options);
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options->delete_obsolete_files_period_micros = 0; // always do full purge
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options->enable_thread_tracking = true;
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options->write_buffer_size = 1024 * 1024 * 1000;
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options->target_file_size_base = 1024 * 1024 * 1000;
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options->max_bytes_for_level_base = 1024 * 1024 * 1000;
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options->WAL_ttl_seconds = 300; // Used to test log files
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options->WAL_size_limit_MB = 1024; // Used to test log files
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options->wal_dir = wal_dir_;
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}
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void AddKeys(int numkeys, int startkey = 0) {
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WriteOptions options;
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options.sync = false;
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ReadOptions roptions;
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for (int i = startkey; i < (numkeys + startkey) ; i++) {
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std::string temp = ToString(i);
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Slice key(temp);
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Slice value(temp);
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ASSERT_OK(db_->Put(options, key, value));
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}
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}
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int numKeysInLevels(
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std::vector<LiveFileMetaData> &metadata,
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std::vector<int> *keysperlevel = nullptr) {
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if (keysperlevel != nullptr) {
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keysperlevel->resize(numlevels_);
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}
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int numKeys = 0;
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for (size_t i = 0; i < metadata.size(); i++) {
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int startkey = atoi(metadata[i].smallestkey.c_str());
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int endkey = atoi(metadata[i].largestkey.c_str());
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int numkeysinfile = (endkey - startkey + 1);
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numKeys += numkeysinfile;
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if (keysperlevel != nullptr) {
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(*keysperlevel)[(int)metadata[i].level] += numkeysinfile;
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}
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fprintf(stderr, "level %d name %s smallest %s largest %s\n",
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metadata[i].level, metadata[i].name.c_str(),
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metadata[i].smallestkey.c_str(),
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metadata[i].largestkey.c_str());
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}
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return numKeys;
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}
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void CreateTwoLevels() {
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AddKeys(50000, 10000);
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ASSERT_OK(dbfull()->TEST_FlushMemTable());
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ASSERT_OK(dbfull()->TEST_WaitForFlushMemTable());
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for (int i = 0; i < 2; ++i) {
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ASSERT_OK(dbfull()->TEST_CompactRange(i, nullptr, nullptr));
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}
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AddKeys(50000, 10000);
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ASSERT_OK(dbfull()->TEST_FlushMemTable());
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ASSERT_OK(dbfull()->TEST_WaitForFlushMemTable());
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ASSERT_OK(dbfull()->TEST_CompactRange(0, nullptr, nullptr));
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}
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void CheckFileTypeCounts(const std::string& dir, int required_log,
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int required_sst, int required_manifest) {
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std::vector<std::string> filenames;
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env_->GetChildren(dir, &filenames);
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int log_cnt = 0, sst_cnt = 0, manifest_cnt = 0;
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for (auto file : filenames) {
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uint64_t number;
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FileType type;
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if (ParseFileName(file, &number, &type)) {
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log_cnt += (type == kLogFile);
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sst_cnt += (type == kTableFile);
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manifest_cnt += (type == kDescriptorFile);
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}
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}
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ASSERT_EQ(required_log, log_cnt);
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ASSERT_EQ(required_sst, sst_cnt);
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ASSERT_EQ(required_manifest, manifest_cnt);
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}
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static void DoSleep(void* arg) {
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auto test = reinterpret_cast<DeleteFileTest*>(arg);
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test->env_->SleepForMicroseconds(2 * 1000 * 1000);
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}
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// An empty job to guard all jobs are processed
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static void GuardFinish(void* /*arg*/) {
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TEST_SYNC_POINT("DeleteFileTest::GuardFinish");
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}
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};
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TEST_F(DeleteFileTest, AddKeysAndQueryLevels) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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CreateTwoLevels();
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std::vector<LiveFileMetaData> metadata;
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db_->GetLiveFilesMetaData(&metadata);
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std::string level1file = "";
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int level1keycount = 0;
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std::string level2file = "";
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int level2keycount = 0;
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int level1index = 0;
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int level2index = 1;
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ASSERT_EQ((int)metadata.size(), 2);
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if (metadata[0].level == 2) {
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level1index = 1;
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level2index = 0;
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}
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level1file = metadata[level1index].name;
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int startkey = atoi(metadata[level1index].smallestkey.c_str());
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int endkey = atoi(metadata[level1index].largestkey.c_str());
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level1keycount = (endkey - startkey + 1);
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level2file = metadata[level2index].name;
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startkey = atoi(metadata[level2index].smallestkey.c_str());
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endkey = atoi(metadata[level2index].largestkey.c_str());
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level2keycount = (endkey - startkey + 1);
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// COntrolled setup. Levels 1 and 2 should both have 50K files.
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// This is a little fragile as it depends on the current
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// compaction heuristics.
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ASSERT_EQ(level1keycount, 50000);
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ASSERT_EQ(level2keycount, 50000);
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Status status = db_->DeleteFile("0.sst");
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ASSERT_TRUE(status.IsInvalidArgument());
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// intermediate level files cannot be deleted.
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status = db_->DeleteFile(level1file);
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ASSERT_TRUE(status.IsInvalidArgument());
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// Lowest level file deletion should succeed.
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ASSERT_OK(db_->DeleteFile(level2file));
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}
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TEST_F(DeleteFileTest, PurgeObsoleteFilesTest) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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CreateTwoLevels();
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// there should be only one (empty) log file because CreateTwoLevels()
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// flushes the memtables to disk
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CheckFileTypeCounts(wal_dir_, 1, 0, 0);
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// 2 ssts, 1 manifest
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CheckFileTypeCounts(dbname_, 0, 2, 1);
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std::string first("0"), last("999999");
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CompactRangeOptions compact_options;
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compact_options.change_level = true;
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compact_options.target_level = 2;
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Slice first_slice(first), last_slice(last);
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db_->CompactRange(compact_options, &first_slice, &last_slice);
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// 1 sst after compaction
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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// this time, we keep an iterator alive
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Reopen(options);
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Iterator *itr = nullptr;
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CreateTwoLevels();
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itr = db_->NewIterator(ReadOptions());
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db_->CompactRange(compact_options, &first_slice, &last_slice);
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// 3 sst after compaction with live iterator
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CheckFileTypeCounts(dbname_, 0, 3, 1);
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delete itr;
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// 1 sst after iterator deletion
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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}
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TEST_F(DeleteFileTest, BackgroundPurgeIteratorTest) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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std::string first("0"), last("999999");
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CompactRangeOptions compact_options;
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compact_options.change_level = true;
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compact_options.target_level = 2;
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Slice first_slice(first), last_slice(last);
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// We keep an iterator alive
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Iterator* itr = nullptr;
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CreateTwoLevels();
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ReadOptions read_options;
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read_options.background_purge_on_iterator_cleanup = true;
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itr = db_->NewIterator(read_options);
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db_->CompactRange(compact_options, &first_slice, &last_slice);
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// 3 sst after compaction with live iterator
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CheckFileTypeCounts(dbname_, 0, 3, 1);
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test::SleepingBackgroundTask sleeping_task_before;
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env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask,
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&sleeping_task_before, Env::Priority::HIGH);
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delete itr;
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test::SleepingBackgroundTask sleeping_task_after;
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env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask,
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&sleeping_task_after, Env::Priority::HIGH);
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// Make sure no purges are executed foreground
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CheckFileTypeCounts(dbname_, 0, 3, 1);
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sleeping_task_before.WakeUp();
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sleeping_task_before.WaitUntilDone();
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// Make sure all background purges are executed
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sleeping_task_after.WakeUp();
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sleeping_task_after.WaitUntilDone();
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// 1 sst after iterator deletion
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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}
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TEST_F(DeleteFileTest, BackgroundPurgeCFDropTest) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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auto do_test = [&](bool bg_purge) {
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ColumnFamilyOptions co;
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co.max_write_buffer_size_to_maintain =
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static_cast<int64_t>(co.write_buffer_size);
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WriteOptions wo;
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FlushOptions fo;
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ColumnFamilyHandle* cfh = nullptr;
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ASSERT_OK(db_->CreateColumnFamily(co, "dropme", &cfh));
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ASSERT_OK(db_->Put(wo, cfh, "pika", "chu"));
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ASSERT_OK(db_->Flush(fo, cfh));
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// Expect 1 sst file.
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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ASSERT_OK(db_->DropColumnFamily(cfh));
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// Still 1 file, it won't be deleted while ColumnFamilyHandle is alive.
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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delete cfh;
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test::SleepingBackgroundTask sleeping_task_after;
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env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask,
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&sleeping_task_after, Env::Priority::HIGH);
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// If background purge is enabled, the file should still be there.
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CheckFileTypeCounts(dbname_, 0, bg_purge ? 1 : 0, 1);
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TEST_SYNC_POINT("DeleteFileTest::BackgroundPurgeCFDropTest:1");
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// Execute background purges.
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sleeping_task_after.WakeUp();
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sleeping_task_after.WaitUntilDone();
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// The file should have been deleted.
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CheckFileTypeCounts(dbname_, 0, 0, 1);
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};
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{
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SCOPED_TRACE("avoid_unnecessary_blocking_io = false");
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do_test(false);
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}
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SyncPoint::GetInstance()->DisableProcessing();
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SyncPoint::GetInstance()->ClearAllCallBacks();
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SyncPoint::GetInstance()->LoadDependency(
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{{"DeleteFileTest::BackgroundPurgeCFDropTest:1",
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"DBImpl::BGWorkPurge:start"}});
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SyncPoint::GetInstance()->EnableProcessing();
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options.avoid_unnecessary_blocking_io = true;
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options.create_if_missing = false;
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Reopen(options);
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{
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SCOPED_TRACE("avoid_unnecessary_blocking_io = true");
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do_test(true);
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}
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}
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// This test is to reproduce a bug that read invalid ReadOption in iterator
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// cleanup function
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TEST_F(DeleteFileTest, BackgroundPurgeCopyOptions) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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std::string first("0"), last("999999");
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CompactRangeOptions compact_options;
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compact_options.change_level = true;
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compact_options.target_level = 2;
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Slice first_slice(first), last_slice(last);
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// We keep an iterator alive
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Iterator* itr = nullptr;
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CreateTwoLevels();
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{
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ReadOptions read_options;
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read_options.background_purge_on_iterator_cleanup = true;
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itr = db_->NewIterator(read_options);
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// ReadOptions is deleted, but iterator cleanup function should not be
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// affected
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}
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db_->CompactRange(compact_options, &first_slice, &last_slice);
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// 3 sst after compaction with live iterator
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CheckFileTypeCounts(dbname_, 0, 3, 1);
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delete itr;
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test::SleepingBackgroundTask sleeping_task_after;
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env_->Schedule(&test::SleepingBackgroundTask::DoSleepTask,
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&sleeping_task_after, Env::Priority::HIGH);
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// Make sure all background purges are executed
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sleeping_task_after.WakeUp();
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sleeping_task_after.WaitUntilDone();
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// 1 sst after iterator deletion
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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}
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TEST_F(DeleteFileTest, BackgroundPurgeTestMultipleJobs) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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std::string first("0"), last("999999");
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CompactRangeOptions compact_options;
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compact_options.change_level = true;
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compact_options.target_level = 2;
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Slice first_slice(first), last_slice(last);
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// We keep an iterator alive
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CreateTwoLevels();
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ReadOptions read_options;
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read_options.background_purge_on_iterator_cleanup = true;
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Iterator* itr1 = db_->NewIterator(read_options);
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CreateTwoLevels();
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Iterator* itr2 = db_->NewIterator(read_options);
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db_->CompactRange(compact_options, &first_slice, &last_slice);
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// 5 sst files after 2 compactions with 2 live iterators
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CheckFileTypeCounts(dbname_, 0, 5, 1);
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rocksdb::SyncPoint::GetInstance()->DisableProcessing();
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// ~DBImpl should wait until all BGWorkPurge are finished
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rocksdb::SyncPoint::GetInstance()->LoadDependency(
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{{"DBImpl::~DBImpl:WaitJob", "DBImpl::BGWorkPurge"},
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{"DeleteFileTest::GuardFinish",
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"DeleteFileTest::BackgroundPurgeTestMultipleJobs:DBClose"}});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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delete itr1;
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env_->Schedule(&DeleteFileTest::DoSleep, this, Env::Priority::HIGH);
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delete itr2;
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env_->Schedule(&DeleteFileTest::GuardFinish, nullptr, Env::Priority::HIGH);
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Close();
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TEST_SYNC_POINT("DeleteFileTest::BackgroundPurgeTestMultipleJobs:DBClose");
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// 1 sst after iterator deletion
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CheckFileTypeCounts(dbname_, 0, 1, 1);
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}
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TEST_F(DeleteFileTest, DeleteFileWithIterator) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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CreateTwoLevels();
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ReadOptions read_options;
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Iterator* it = db_->NewIterator(read_options);
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std::vector<LiveFileMetaData> metadata;
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db_->GetLiveFilesMetaData(&metadata);
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std::string level2file;
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ASSERT_EQ(metadata.size(), static_cast<size_t>(2));
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if (metadata[0].level == 1) {
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level2file = metadata[1].name;
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} else {
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level2file = metadata[0].name;
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}
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Status status = db_->DeleteFile(level2file);
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fprintf(stdout, "Deletion status %s: %s\n",
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level2file.c_str(), status.ToString().c_str());
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ASSERT_TRUE(status.ok());
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it->SeekToFirst();
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int numKeysIterated = 0;
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while(it->Valid()) {
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numKeysIterated++;
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it->Next();
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}
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ASSERT_EQ(numKeysIterated, 50000);
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delete it;
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}
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TEST_F(DeleteFileTest, DeleteLogFiles) {
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Options options = CurrentOptions();
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SetOptions(&options);
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Destroy(options);
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options.create_if_missing = true;
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Reopen(options);
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AddKeys(10, 0);
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VectorLogPtr logfiles;
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db_->GetSortedWalFiles(logfiles);
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ASSERT_GT(logfiles.size(), 0UL);
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// Take the last log file which is expected to be alive and try to delete it
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// Should not succeed because live logs are not allowed to be deleted
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std::unique_ptr<LogFile> alive_log = std::move(logfiles.back());
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ASSERT_EQ(alive_log->Type(), kAliveLogFile);
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ASSERT_OK(env_->FileExists(wal_dir_ + "/" + alive_log->PathName()));
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fprintf(stdout, "Deleting alive log file %s\n",
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alive_log->PathName().c_str());
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ASSERT_TRUE(!db_->DeleteFile(alive_log->PathName()).ok());
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ASSERT_OK(env_->FileExists(wal_dir_ + "/" + alive_log->PathName()));
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logfiles.clear();
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// Call Flush to bring about a new working log file and add more keys
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// Call Flush again to flush out memtable and move alive log to archived log
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// and try to delete the archived log file
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FlushOptions fopts;
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db_->Flush(fopts);
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AddKeys(10, 0);
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db_->Flush(fopts);
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db_->GetSortedWalFiles(logfiles);
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ASSERT_GT(logfiles.size(), 0UL);
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std::unique_ptr<LogFile> archived_log = std::move(logfiles.front());
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ASSERT_EQ(archived_log->Type(), kArchivedLogFile);
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ASSERT_OK(env_->FileExists(wal_dir_ + "/" + archived_log->PathName()));
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fprintf(stdout, "Deleting archived log file %s\n",
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archived_log->PathName().c_str());
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ASSERT_OK(db_->DeleteFile(archived_log->PathName()));
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ASSERT_EQ(Status::NotFound(),
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env_->FileExists(wal_dir_ + "/" + archived_log->PathName()));
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}
|
|
|
|
TEST_F(DeleteFileTest, DeleteNonDefaultColumnFamily) {
|
|
Options options = CurrentOptions();
|
|
SetOptions(&options);
|
|
Destroy(options);
|
|
options.create_if_missing = true;
|
|
Reopen(options);
|
|
CreateAndReopenWithCF({"new_cf"}, options);
|
|
|
|
Random rnd(5);
|
|
for (int i = 0; i < 1000; ++i) {
|
|
ASSERT_OK(db_->Put(WriteOptions(), handles_[1], test::RandomKey(&rnd, 10),
|
|
test::RandomKey(&rnd, 10)));
|
|
}
|
|
ASSERT_OK(db_->Flush(FlushOptions(), handles_[1]));
|
|
for (int i = 0; i < 1000; ++i) {
|
|
ASSERT_OK(db_->Put(WriteOptions(), handles_[1], test::RandomKey(&rnd, 10),
|
|
test::RandomKey(&rnd, 10)));
|
|
}
|
|
ASSERT_OK(db_->Flush(FlushOptions(), handles_[1]));
|
|
|
|
std::vector<LiveFileMetaData> metadata;
|
|
db_->GetLiveFilesMetaData(&metadata);
|
|
ASSERT_EQ(2U, metadata.size());
|
|
ASSERT_EQ("new_cf", metadata[0].column_family_name);
|
|
ASSERT_EQ("new_cf", metadata[1].column_family_name);
|
|
auto old_file = metadata[0].smallest_seqno < metadata[1].smallest_seqno
|
|
? metadata[0].name
|
|
: metadata[1].name;
|
|
auto new_file = metadata[0].smallest_seqno > metadata[1].smallest_seqno
|
|
? metadata[0].name
|
|
: metadata[1].name;
|
|
ASSERT_TRUE(db_->DeleteFile(new_file).IsInvalidArgument());
|
|
ASSERT_OK(db_->DeleteFile(old_file));
|
|
|
|
{
|
|
std::unique_ptr<Iterator> itr(db_->NewIterator(ReadOptions(), handles_[1]));
|
|
int count = 0;
|
|
for (itr->SeekToFirst(); itr->Valid(); itr->Next()) {
|
|
ASSERT_OK(itr->status());
|
|
++count;
|
|
}
|
|
ASSERT_EQ(count, 1000);
|
|
}
|
|
|
|
Close();
|
|
ReopenWithColumnFamilies({kDefaultColumnFamilyName, "new_cf"}, options);
|
|
|
|
{
|
|
std::unique_ptr<Iterator> itr(db_->NewIterator(ReadOptions(), handles_[1]));
|
|
int count = 0;
|
|
for (itr->SeekToFirst(); itr->Valid(); itr->Next()) {
|
|
ASSERT_OK(itr->status());
|
|
++count;
|
|
}
|
|
ASSERT_EQ(count, 1000);
|
|
}
|
|
}
|
|
|
|
} //namespace rocksdb
|
|
|
|
#ifdef ROCKSDB_UNITTESTS_WITH_CUSTOM_OBJECTS_FROM_STATIC_LIBS
|
|
extern "C" {
|
|
void RegisterCustomObjects(int argc, char** argv);
|
|
}
|
|
#else
|
|
void RegisterCustomObjects(int /*argc*/, char** /*argv*/) {}
|
|
#endif // !ROCKSDB_UNITTESTS_WITH_CUSTOM_OBJECTS_FROM_STATIC_LIBS
|
|
|
|
int main(int argc, char** argv) {
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
RegisterCustomObjects(argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|
|
#else
|
|
#include <stdio.h>
|
|
|
|
int main(int /*argc*/, char** /*argv*/) {
|
|
fprintf(stderr,
|
|
"SKIPPED as DBImpl::DeleteFile is not supported in ROCKSDB_LITE\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif // !ROCKSDB_LITE
|
|
|