// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. // This source code is licensed under both the GPLv2 (found in the // COPYING file in the root directory) and Apache 2.0 License // (found in the LICENSE.Apache file in the root directory). // // Copyright (c) 2012 The LevelDB Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. See the AUTHORS file for names of contributors. #ifndef GFLAGS #include int main() { fprintf(stderr, "Please install gflags to run trace_analyzer test\n"); return 0; } #else #include #include #include #include #include #include "db/db_test_util.h" #include "file/line_file_reader.h" #include "rocksdb/db.h" #include "rocksdb/env.h" #include "rocksdb/status.h" #include "rocksdb/trace_reader_writer.h" #include "test_util/testharness.h" #include "test_util/testutil.h" #include "tools/trace_analyzer_tool.h" #include "trace_replay/trace_replay.h" #include "utilities/fault_injection_env.h" #include "utilities/trace/file_trace_reader_writer.h" namespace ROCKSDB_NAMESPACE { namespace { static const int kMaxArgCount = 100; static const size_t kArgBufferSize = 100000; } // namespace // Note that, the QPS part verification of the analyzing result is not robost // enough and causes the failure in some rare cases. Disable them temporally and // wait for future refactor. // The helper functions for the test class TraceAnalyzerTest : public testing::Test { public: TraceAnalyzerTest() : rnd_(0xFB) { // test_path_ = test::TmpDir() + "trace_analyzer_test"; test_path_ = test::PerThreadDBPath("trace_analyzer_test"); env_ = ROCKSDB_NAMESPACE::Env::Default(); env_->CreateDir(test_path_).PermitUncheckedError(); dbname_ = test_path_ + "/db"; } ~TraceAnalyzerTest() override = default; void GenerateTrace(std::string trace_path) { Options options; options.create_if_missing = true; options.merge_operator = MergeOperators::CreatePutOperator(); Slice upper_bound("a"); Slice lower_bound("abce"); ReadOptions ro; ro.iterate_upper_bound = &upper_bound; ro.iterate_lower_bound = &lower_bound; WriteOptions wo; TraceOptions trace_opt; DB* db_ = nullptr; std::string value; std::unique_ptr trace_writer; Iterator* single_iter = nullptr; ASSERT_OK( NewFileTraceWriter(env_, env_options_, trace_path, &trace_writer)); ASSERT_OK(DB::Open(options, dbname_, &db_)); ASSERT_OK(db_->StartTrace(trace_opt, std::move(trace_writer))); WriteBatch batch; ASSERT_OK(batch.Put("a", "aaaaaaaaa")); ASSERT_OK(batch.Merge("b", "aaaaaaaaaaaaaaaaaaaa")); ASSERT_OK(batch.Delete("c")); ASSERT_OK(batch.SingleDelete("d")); ASSERT_OK(batch.DeleteRange("e", "f")); ASSERT_OK(db_->Write(wo, &batch)); std::vector keys; keys.emplace_back("a"); keys.emplace_back("b"); keys.emplace_back("df"); keys.emplace_back("gege"); keys.emplace_back("hjhjhj"); std::vector values; std::vector ss = db_->MultiGet(ro, keys, &values); ASSERT_GE(ss.size(), 0); ASSERT_OK(ss[0]); ASSERT_NOK(ss[2]); std::vector cfs(2, db_->DefaultColumnFamily()); std::vector values2(keys.size()); db_->MultiGet(ro, 2, cfs.data(), keys.data(), values2.data(), ss.data(), false); ASSERT_OK(ss[0]); db_->MultiGet(ro, db_->DefaultColumnFamily(), 2, keys.data() + 3, values2.data(), ss.data(), false); ASSERT_OK(db_->Get(ro, "a", &value)); single_iter = db_->NewIterator(ro); single_iter->Seek("a"); ASSERT_OK(single_iter->status()); single_iter->SeekForPrev("b"); ASSERT_OK(single_iter->status()); delete single_iter; std::this_thread::sleep_for(std::chrono::seconds(1)); db_->Get(ro, "g", &value).PermitUncheckedError(); ASSERT_OK(db_->EndTrace()); ASSERT_OK(env_->FileExists(trace_path)); std::unique_ptr whole_f; std::string whole_path = test_path_ + "/0.txt"; ASSERT_OK(env_->NewWritableFile(whole_path, &whole_f, env_options_)); std::string whole_str = "0x61\n0x62\n0x63\n0x64\n0x65\n0x66\n"; ASSERT_OK(whole_f->Append(whole_str)); delete db_; ASSERT_OK(DestroyDB(dbname_, options)); } void RunTraceAnalyzer(const std::vector& args) { char arg_buffer[kArgBufferSize]; char* argv[kMaxArgCount]; int argc = 0; int cursor = 0; for (const auto& arg : args) { ASSERT_LE(cursor + arg.size() + 1, kArgBufferSize); ASSERT_LE(argc + 1, kMaxArgCount); snprintf(arg_buffer + cursor, arg.size() + 1, "%s", arg.c_str()); argv[argc++] = arg_buffer + cursor; cursor += static_cast(arg.size()) + 1; } ASSERT_EQ(0, ROCKSDB_NAMESPACE::trace_analyzer_tool(argc, argv)); } void CheckFileContent(const std::vector& cnt, std::string file_path, bool full_content) { const auto& fs = env_->GetFileSystem(); FileOptions fopts(env_options_); ASSERT_OK(fs->FileExists(file_path, fopts.io_options, nullptr)); std::unique_ptr file; ASSERT_OK(fs->NewSequentialFile(file_path, fopts, &file, nullptr)); LineFileReader lf_reader(std::move(file), file_path, 4096 /* filereadahead_size */); std::vector result; std::string line; while ( lf_reader.ReadLine(&line, Env::IO_TOTAL /* rate_limiter_priority */)) { result.push_back(line); } ASSERT_OK(lf_reader.GetStatus()); size_t min_size = std::min(cnt.size(), result.size()); for (size_t i = 0; i < min_size; i++) { if (full_content) { ASSERT_EQ(result[i], cnt[i]); } else { ASSERT_EQ(result[i][0], cnt[i][0]); } } } void AnalyzeTrace(std::vector& paras_diff, std::string output_path, std::string trace_path) { std::vector paras = {"./trace_analyzer", "-convert_to_human_readable_trace", "-output_key_stats", "-output_access_count_stats", "-output_prefix=test", "-output_prefix_cut=1", "-output_time_series", "-output_value_distribution", "-output_qps_stats", "-no_key", "-no_print"}; for (auto& para : paras_diff) { paras.push_back(para); } Status s = env_->FileExists(trace_path); if (!s.ok()) { GenerateTrace(trace_path); } ASSERT_OK(env_->CreateDir(output_path)); RunTraceAnalyzer(paras); } ROCKSDB_NAMESPACE::Env* env_; EnvOptions env_options_; std::string test_path_; std::string dbname_; Random rnd_; }; TEST_F(TraceAnalyzerTest, Get) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/get"; std::string file_path; std::vector paras = { "-analyze_get=true", "-analyze_put=false", "-analyze_delete=false", "-analyze_single_delete=false", "-analyze_range_delete=false", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 10 0 1 1.000000", "0 10 1 1 1.000000"}; file_path = output_path + "/test-get-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 2"}; file_path = output_path + "/test-get-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30", "1 1 1 1.000000 1.000000 0x61"}; file_path = output_path + "/test-get-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"0 1533000630 0", "0 1533000630 1"}; file_path = output_path + "/test-get-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"0 1"}; file_path = output_path + "/test-get-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-get-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"1 0 0 0 0 0 0 0 0 1"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of get std::vector get_qps = {"1"}; file_path = output_path + "/test-get-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x61 Access count: 1"}; file_path = output_path + "/test-get-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } // Test analyzing of Put TEST_F(TraceAnalyzerTest, Put) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/put"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=true", "-analyze_delete=false", "-analyze_single_delete=false", "-analyze_range_delete=false", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 9 0 1 1.000000"}; file_path = output_path + "/test-put-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-put-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-put-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"1 1533056278 0"}; file_path = output_path + "/test-put-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"0 1"}; file_path = output_path + "/test-put-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-put-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); // Check the overall qps std::vector all_qps = {"0 1 0 0 0 0 0 0 0 0 1"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); /* // Check the qps of Put std::vector get_qps = {"1"}; file_path = output_path + "/test-put-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x61 Access count: 1"}; file_path = output_path + "/test-put-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); // Check the value size distribution std::vector value_dist = { "Number_of_value_size_between 0 and 16 is: 1"}; file_path = output_path + "/test-put-0-accessed_value_size_distribution.txt"; CheckFileContent(value_dist, file_path, true); */ } // Test analyzing of delete TEST_F(TraceAnalyzerTest, Delete) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/delete"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=true", "-analyze_single_delete=false", "-analyze_range_delete=false", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 10 0 1 1.000000"}; file_path = output_path + "/test-delete-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-delete-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-delete-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"2 1533000630 0"}; file_path = output_path + "/test-delete-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"2 1"}; file_path = output_path + "/test-delete-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-delete-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"0 0 1 0 0 0 0 0 0 1"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of Delete std::vector get_qps = {"1"}; file_path = output_path + "/test-delete-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x63 Access count: 1"}; file_path = output_path + "/test-delete-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } // Test analyzing of Merge TEST_F(TraceAnalyzerTest, Merge) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/merge"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=false", "-analyze_merge=true", "-analyze_single_delete=false", "-analyze_range_delete=false", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 20 0 1 1.000000"}; file_path = output_path + "/test-merge-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-merge-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-merge-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"5 1533000630 0"}; file_path = output_path + "/test-merge-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"1 1"}; file_path = output_path + "/test-merge-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-merge-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"0 0 0 0 0 1 0 0 0 1"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of Merge std::vector get_qps = {"1"}; file_path = output_path + "/test-merge-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x62 Access count: 1"}; file_path = output_path + "/test-merge-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ // Check the value size distribution std::vector value_dist = { "Number_of_value_size_between 0 and 24 is: 1"}; file_path = output_path + "/test-merge-0-accessed_value_size_distribution.txt"; CheckFileContent(value_dist, file_path, true); } // Test analyzing of SingleDelete TEST_F(TraceAnalyzerTest, SingleDelete) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/single_delete"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=false", "-analyze_merge=false", "-analyze_single_delete=true", "-analyze_range_delete=false", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 10 0 1 1.000000"}; file_path = output_path + "/test-single_delete-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-single_delete-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-single_delete-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"3 1533000630 0"}; file_path = output_path + "/test-single_delete-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"3 1"}; file_path = output_path + "/test-single_delete-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-single_delete-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"0 0 0 1 0 0 0 0 0 1"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of SingleDelete std::vector get_qps = {"1"}; file_path = output_path + "/test-single_delete-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x64 Access count: 1"}; file_path = output_path + "/test-single_delete-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } // Test analyzing of delete TEST_F(TraceAnalyzerTest, DeleteRange) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/range_delete"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=false", "-analyze_merge=false", "-analyze_single_delete=false", "-analyze_range_delete=true", "-analyze_iterator=false", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 10 0 1 1.000000", "0 10 1 1 1.000000"}; file_path = output_path + "/test-range_delete-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 2"}; file_path = output_path + "/test-range_delete-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30", "1 1 1 1.000000 1.000000 0x65"}; file_path = output_path + "/test-range_delete-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"4 1533000630 0", "4 1533060100 1"}; file_path = output_path + "/test-range_delete-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"4 1", "5 1"}; file_path = output_path + "/test-range_delete-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-range_delete-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"0 0 0 0 2 0 0 0 0 2"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of DeleteRange std::vector get_qps = {"2"}; file_path = output_path + "/test-range_delete-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 2", "The prefix: 0x65 Access count: 1", "The prefix: 0x66 Access count: 1"}; file_path = output_path + "/test-range_delete-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } // Test analyzing of Iterator TEST_F(TraceAnalyzerTest, Iterator) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/iterator"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=false", "-analyze_merge=false", "-analyze_single_delete=false", "-analyze_range_delete=false", "-analyze_iterator=true", "-analyze_multiget=false"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // Check the output of Seek // check the key_stats file std::vector k_stats = {"0 10 0 1 1.000000"}; file_path = output_path + "/test-iterator_Seek-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-iterator_Seek-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-iterator_Seek-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"6 1 0"}; file_path = output_path + "/test-iterator_Seek-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"0 1"}; file_path = output_path + "/test-iterator_Seek-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-iterator_Seek-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps std::vector all_qps = {"0 0 0 0 0 0 1 1 0 2"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of Iterator_Seek std::vector get_qps = {"1"}; file_path = output_path + "/test-iterator_Seek-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x61 Access count: 1"}; file_path = output_path + "/test-iterator_Seek-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ // Check the output of SeekForPrev // check the key_stats file k_stats = {"0 10 0 1 1.000000"}; file_path = output_path + "/test-iterator_SeekForPrev-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution k_dist = {"access_count: 1 num: 1"}; file_path = output_path + "/test-iterator_SeekForPrev-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the prefix k_prefix = {"0 0 0 0.000000 0.000000 0x30"}; file_path = output_path + "/test-iterator_SeekForPrev-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series k_series = {"7 0 0"}; file_path = output_path + "/test-iterator_SeekForPrev-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space k_whole_access = {"1 1"}; file_path = output_path + "/test-iterator_SeekForPrev-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-iterator_SeekForPrev-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the qps of Iterator_SeekForPrev get_qps = {"1"}; file_path = output_path + "/test-iterator_SeekForPrev-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut top_qps = {"At time: 0 with QPS: 1", "The prefix: 0x62 Access count: 1"}; file_path = output_path + "/test-iterator_SeekForPrev-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } TEST_F(TraceAnalyzerTest, ExistsPreviousTraceWriteError) { DB* db_ = nullptr; Options options; options.create_if_missing = true; std::unique_ptr fault_env( new FaultInjectionTestEnv(env_)); const std::string trace_path = test_path_ + "/previous_trace_write_error_trace"; std::unique_ptr trace_writer; ASSERT_OK(NewFileTraceWriter(fault_env.get(), env_options_, trace_path, &trace_writer)); ASSERT_OK(DB::Open(options, dbname_, &db_)); ASSERT_OK(db_->StartTrace(TraceOptions(), std::move(trace_writer))); // Inject write error on the first trace write. // This trace write is made big enough to actually write to FS for error // injection. const std::string kBigKey(1000000, 'k'); const std::string kBigValue(1000000, 'v'); fault_env->SetFilesystemActive(false, Status::IOError("Injected")); ASSERT_OK(db_->Put(WriteOptions(), kBigKey, kBigValue)); fault_env->SetFilesystemActive(true); // Without proper handling of the previous trace write error, // this trace write will continue and crash the db (in DEBUG_LEVEL > 0) // due to writing to the trace file that has seen error. ASSERT_OK(db_->Put(WriteOptions(), kBigKey, kBigValue)); // Verify `EndTrace()` returns the previous write trace error if any Status s = db_->EndTrace(); ASSERT_TRUE(s.IsIncomplete()); ASSERT_TRUE(s.ToString().find("Tracing has seen error") != std::string::npos); ASSERT_TRUE(s.ToString().find("Injected") != std::string::npos); delete db_; ASSERT_OK(DestroyDB(dbname_, options)); } // Test analyzing of multiget TEST_F(TraceAnalyzerTest, MultiGet) { std::string trace_path = test_path_ + "/trace"; std::string output_path = test_path_ + "/multiget"; std::string file_path; std::vector paras = { "-analyze_get=false", "-analyze_put=false", "-analyze_delete=false", "-analyze_merge=false", "-analyze_single_delete=false", "-analyze_range_delete=true", "-analyze_iterator=false", "-analyze_multiget=true"}; paras.push_back("-output_dir=" + output_path); paras.push_back("-trace_path=" + trace_path); paras.push_back("-key_space_dir=" + test_path_); AnalyzeTrace(paras, output_path, trace_path); // check the key_stats file std::vector k_stats = {"0 10 0 2 1.000000", "0 10 1 2 1.000000", "0 10 2 1 1.000000", "0 10 3 2 1.000000", "0 10 4 2 1.000000"}; file_path = output_path + "/test-multiget-0-accessed_key_stats.txt"; CheckFileContent(k_stats, file_path, true); // Check the access count distribution std::vector k_dist = {"access_count: 1 num: 1", "access_count: 2 num: 4"}; file_path = output_path + "/test-multiget-0-accessed_key_count_distribution.txt"; CheckFileContent(k_dist, file_path, true); // Check the trace sequence std::vector k_sequence = {"1", "5", "2", "3", "4", "8", "8", "8", "8", "8", "8", "8", "8", "8", "0", "6", "7", "0"}; file_path = output_path + "/test-human_readable_trace.txt"; CheckFileContent(k_sequence, file_path, false); // Check the prefix std::vector k_prefix = { "0 0 0 0.000000 0.000000 0x30", "1 2 1 2.000000 1.000000 0x61", "2 2 1 2.000000 1.000000 0x62", "3 1 1 1.000000 1.000000 0x64", "4 2 1 2.000000 1.000000 0x67"}; file_path = output_path + "/test-multiget-0-accessed_key_prefix_cut.txt"; CheckFileContent(k_prefix, file_path, true); // Check the time series std::vector k_series = {"8 0 0", "8 0 1", "8 0 2", "8 0 3", "8 0 4", "8 0 0", "8 0 1", "8 0 3", "8 0 4"}; file_path = output_path + "/test-multiget-0-time_series.txt"; CheckFileContent(k_series, file_path, false); // Check the accessed key in whole key space std::vector k_whole_access = {"0 2", "1 2"}; file_path = output_path + "/test-multiget-0-whole_key_stats.txt"; CheckFileContent(k_whole_access, file_path, true); // Check the whole key prefix cut std::vector k_whole_prefix = {"0 0x61", "1 0x62", "2 0x63", "3 0x64", "4 0x65", "5 0x66"}; file_path = output_path + "/test-multiget-0-whole_key_prefix_cut.txt"; CheckFileContent(k_whole_prefix, file_path, true); /* // Check the overall qps. We have 3 MultiGet queries and it requested 9 keys // in total std::vector all_qps = {"0 0 0 0 2 0 0 0 9 11"}; file_path = output_path + "/test-qps_stats.txt"; CheckFileContent(all_qps, file_path, true); // Check the qps of DeleteRange std::vector get_qps = {"9"}; file_path = output_path + "/test-multiget-0-qps_stats.txt"; CheckFileContent(get_qps, file_path, true); // Check the top k qps prefix cut std::vector top_qps = { "At time: 0 with QPS: 9", "The prefix: 0x61 Access count: 2", "The prefix: 0x62 Access count: 2", "The prefix: 0x64 Access count: 1", "The prefix: 0x67 Access count: 2", "The prefix: 0x68 Access count: 2"}; file_path = output_path + "/test-multiget-0-accessed_top_k_qps_prefix_cut.txt"; CheckFileContent(top_qps, file_path, true); */ } } // namespace ROCKSDB_NAMESPACE int main(int argc, char** argv) { ROCKSDB_NAMESPACE::port::InstallStackTraceHandler(); ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); } #endif // GFLAG