Add the unit test of Iterator to trace_analyzer_test (#4282)
Summary: Add the unit test of Iterator (Seek and SeekForPrev) to trace_analyzer_test. The output files after analyzing the trace file are checked to make sure that analyzing results are correct. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4282 Differential Revision: D9436758 Pulled By: zhichao-cao fbshipit-source-id: 88d471c9a69e07382d9c6a45eba72773b171e7c2
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@ -62,6 +62,7 @@ class TraceAnalyzerTest : public testing::Test {
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DB* db_ = nullptr;
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std::string value;
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std::unique_ptr<TraceWriter> trace_writer;
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Iterator* single_iter = nullptr;
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ASSERT_OK(
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NewFileTraceWriter(env_, env_options_, trace_path, &trace_writer));
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@ -77,7 +78,12 @@ class TraceAnalyzerTest : public testing::Test {
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ASSERT_OK(db_->Write(wo, &batch));
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ASSERT_OK(db_->Get(ro, "a", &value));
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std::this_thread::sleep_for(std::chrono::seconds(1));
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single_iter = db_->NewIterator(ro);
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single_iter->Seek("a");
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single_iter->SeekForPrev("b");
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delete single_iter;
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std::this_thread::sleep_for (std::chrono::seconds(1));
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db_->Get(ro, "g", &value);
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ASSERT_OK(db_->EndTrace());
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@ -141,6 +147,30 @@ class TraceAnalyzerTest : public testing::Test {
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return;
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}
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void AnalyzeTrace(std::vector<std::string>& paras_diff,
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std::string output_path, std::string trace_path) {
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std::vector<std::string> paras = {"./trace_analyzer",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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for (auto& para : paras_diff) {
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paras.push_back(para);
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}
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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}
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rocksdb::Env* env_;
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EnvOptions env_options_;
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std::string test_path_;
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@ -152,28 +182,11 @@ TEST_F(TraceAnalyzerTest, Get) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/get";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_get"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 10 0 1 1.000000", "0 10 1 1 1.000000"};
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@ -186,7 +199,8 @@ TEST_F(TraceAnalyzerTest, Get) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -234,29 +248,11 @@ TEST_F(TraceAnalyzerTest, Put) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/put";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-analyze_put",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_put"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 9 0 1 1.000000"};
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@ -269,7 +265,8 @@ TEST_F(TraceAnalyzerTest, Put) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -299,7 +296,7 @@ TEST_F(TraceAnalyzerTest, Put) {
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file_path = output_path + "/test-qps_stats.txt";
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CheckFileContent(all_qps, file_path, true);
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// Check the qps of get
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// Check the qps of Put
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std::vector<std::string> get_qps = {"1"};
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file_path = output_path + "/test-put-0-qps_stats.txt";
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CheckFileContent(get_qps, file_path, true);
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@ -322,30 +319,11 @@ TEST_F(TraceAnalyzerTest, Delete) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/delete";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-analyze_put",
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"-analyze_delete",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_delete"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 0 0 1 1.000000"};
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@ -359,7 +337,8 @@ TEST_F(TraceAnalyzerTest, Delete) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -389,7 +368,7 @@ TEST_F(TraceAnalyzerTest, Delete) {
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file_path = output_path + "/test-qps_stats.txt";
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CheckFileContent(all_qps, file_path, true);
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// Check the qps of get
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// Check the qps of Delete
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std::vector<std::string> get_qps = {"1"};
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file_path = output_path + "/test-delete-0-qps_stats.txt";
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CheckFileContent(get_qps, file_path, true);
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@ -406,31 +385,11 @@ TEST_F(TraceAnalyzerTest, Merge) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/merge";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-analyze_put",
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"-analyze_delete",
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"-analyze_merge",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_merge"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 20 0 1 1.000000"};
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@ -443,7 +402,8 @@ TEST_F(TraceAnalyzerTest, Merge) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -473,7 +433,7 @@ TEST_F(TraceAnalyzerTest, Merge) {
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file_path = output_path + "/test-qps_stats.txt";
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CheckFileContent(all_qps, file_path, true);
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// Check the qps of get
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// Check the qps of Merge
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std::vector<std::string> get_qps = {"1"};
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file_path = output_path + "/test-merge-0-qps_stats.txt";
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CheckFileContent(get_qps, file_path, true);
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@ -497,32 +457,11 @@ TEST_F(TraceAnalyzerTest, SingleDelete) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/single_delete";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-analyze_put",
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"-analyze_delete",
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"-analyze_merge",
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"-analyze_single_delete",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_single_delete"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 0 0 1 1.000000"};
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@ -536,7 +475,8 @@ TEST_F(TraceAnalyzerTest, SingleDelete) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -566,7 +506,7 @@ TEST_F(TraceAnalyzerTest, SingleDelete) {
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file_path = output_path + "/test-qps_stats.txt";
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CheckFileContent(all_qps, file_path, true);
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// Check the qps of get
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// Check the qps of SingleDelete
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std::vector<std::string> get_qps = {"1"};
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file_path = output_path + "/test-single_delete-0-qps_stats.txt";
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CheckFileContent(get_qps, file_path, true);
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@ -584,33 +524,11 @@ TEST_F(TraceAnalyzerTest, DeleteRange) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/range_delete";
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std::string file_path;
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std::vector<std::string> paras = {"./trace_analyzer",
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"-analyze_get",
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"-analyze_put",
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"-analyze_delete",
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"-analyze_merge",
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"-analyze_single_delete",
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"-analyze_range_delete",
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"-convert_to_human_readable_trace",
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"-output_key_stats",
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"-output_access_count_stats",
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"-output_prefix=test",
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"-output_prefix_cut=1",
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"-output_time_series",
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"-output_value_distribution",
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"-output_qps_stats",
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"-no_key",
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"-no_print"};
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Status s = env_->FileExists(trace_path);
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if (!s.ok()) {
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GenerateTrace(trace_path);
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}
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std::vector<std::string> paras = {"-analyze_range_delete"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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env_->CreateDir(output_path);
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RunTraceAnalyzer(paras);
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AnalyzeTrace(paras, output_path, trace_path);
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 0 0 1 1.000000", "0 0 1 1 1.000000"};
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@ -624,7 +542,8 @@ TEST_F(TraceAnalyzerTest, DeleteRange) {
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4", "0", "0"};
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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@ -655,7 +574,7 @@ TEST_F(TraceAnalyzerTest, DeleteRange) {
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file_path = output_path + "/test-qps_stats.txt";
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CheckFileContent(all_qps, file_path, true);
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// Check the qps of get
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// Check the qps of DeleteRange
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std::vector<std::string> get_qps = {"2"};
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file_path = output_path + "/test-range_delete-0-qps_stats.txt";
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CheckFileContent(get_qps, file_path, true);
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@ -669,6 +588,121 @@ TEST_F(TraceAnalyzerTest, DeleteRange) {
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CheckFileContent(top_qps, file_path, true);
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}
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// Test analyzing of Iterator
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TEST_F(TraceAnalyzerTest, Iterator) {
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std::string trace_path = test_path_ + "/trace";
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std::string output_path = test_path_ + "/iterator";
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std::string file_path;
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std::vector<std::string> paras = {"-analyze_iterator"};
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paras.push_back("-output_dir=" + output_path);
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paras.push_back("-trace_path=" + trace_path);
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paras.push_back("-key_space_dir=" + test_path_);
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AnalyzeTrace(paras, output_path, trace_path);
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// Check the output of Seek
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// check the key_stats file
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std::vector<std::string> k_stats = {"0 0 0 1 1.000000"};
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file_path = output_path + "/test-iterator_Seek-0-accessed_key_stats.txt";
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CheckFileContent(k_stats, file_path, true);
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// Check the access count distribution
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std::vector<std::string> k_dist = {"access_count: 1 num: 1"};
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file_path =
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output_path + "/test-iterator_Seek-0-accessed_key_count_distribution.txt";
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CheckFileContent(k_dist, file_path, true);
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// Check the trace sequence
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std::vector<std::string> k_sequence = {"1", "5", "2", "3", "4",
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"0", "6", "7", "0"};
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file_path = output_path + "/test-human_readable_trace.txt";
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CheckFileContent(k_sequence, file_path, false);
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// Check the prefix
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std::vector<std::string> k_prefix = {"0 0 0 0.000000 0.000000 0x30"};
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file_path = output_path + "/test-iterator_Seek-0-accessed_key_prefix_cut.txt";
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CheckFileContent(k_prefix, file_path, true);
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// Check the time series
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std::vector<std::string> k_series = {"6 1 0"};
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file_path = output_path + "/test-iterator_Seek-0-time_series.txt";
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CheckFileContent(k_series, file_path, false);
|
||||
|
||||
// Check the accessed key in whole key space
|
||||
std::vector<std::string> 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<std::string> 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<std::string> all_qps = {"1 1 1 1 2 1 1 1 9"};
|
||||
file_path = output_path + "/test-qps_stats.txt";
|
||||
CheckFileContent(all_qps, file_path, true);
|
||||
|
||||
// Check the qps of Iterator_Seek
|
||||
std::vector<std::string> 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<std::string> 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 0 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);
|
||||
}
|
||||
|
||||
} // namespace rocksdb
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
|
@ -63,36 +63,36 @@ DEFINE_string(output_prefix, "trace",
|
||||
DEFINE_bool(output_key_stats, false,
|
||||
"Output the key access count statistics to file\n"
|
||||
"for accessed keys:\n"
|
||||
"file name: <prefix>-<query type>-<cf_id>-accessed_key_stats.txt\n"
|
||||
"file name: <prefix>-<query_type>-<cf_id>-accessed_key_stats.txt\n"
|
||||
"Format:[cf_id value_size access_keyid access_count]\n"
|
||||
"for the whole key space keys:\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>-whole_key_stats.txt\n"
|
||||
"File name: <prefix>-<query_type>-<cf_id>-whole_key_stats.txt\n"
|
||||
"Format:[whole_key_space_keyid access_count]");
|
||||
DEFINE_bool(output_access_count_stats, false,
|
||||
"Output the access count distribution statistics to file.\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>-accessed_"
|
||||
"File name: <prefix>-<query_type>-<cf_id>-accessed_"
|
||||
"key_count_distribution.txt \n"
|
||||
"Format:[access_count number_of_access_count]");
|
||||
DEFINE_bool(output_time_series, false,
|
||||
"Output the access time in second of each key, "
|
||||
"such that we can have the time series data of the queries \n"
|
||||
"File name: <prefix>-<query type>-<cf_id>-time_series.txt\n"
|
||||
"File name: <prefix>-<query_type>-<cf_id>-time_series.txt\n"
|
||||
"Format:[type_id time_in_sec access_keyid].");
|
||||
DEFINE_int32(output_prefix_cut, 0,
|
||||
"The number of bytes as prefix to cut the keys.\n"
|
||||
"if it is enabled, it will generate the following:\n"
|
||||
"for accessed keys:\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>-"
|
||||
"If it is enabled, it will generate the following:\n"
|
||||
"For accessed keys:\n"
|
||||
"File name: <prefix>-<query_type>-<cf_id>-"
|
||||
"accessed_key_prefix_cut.txt \n"
|
||||
"Format:[acessed_keyid access_count_of_prefix "
|
||||
"number_of_keys_in_prefix average_key_access "
|
||||
"prefix_succ_ratio prefix]\n"
|
||||
"for whole key space keys:\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>"
|
||||
"For whole key space keys:\n"
|
||||
"File name: <prefix>-<query_type>-<cf_id>"
|
||||
"-whole_key_prefix_cut.txt\n"
|
||||
"Format:[start_keyid_in_whole_keyspace prefix]\n"
|
||||
"if 'output_qps_stats' and 'top_k' are enabled, it will output:\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>"
|
||||
"File name: <prefix>-<query_type>-<cf_id>"
|
||||
"-accessed_top_k_qps_prefix_cut.txt\n"
|
||||
"Format:[the_top_ith_qps_time QPS], [prefix qps_of_this_second].");
|
||||
DEFINE_bool(convert_to_human_readable_trace, false,
|
||||
@ -101,7 +101,7 @@ DEFINE_bool(convert_to_human_readable_trace, false,
|
||||
"This file will be extremely large "
|
||||
"(similar size as the original binary trace file). "
|
||||
"You can specify 'no_key' to reduce the size, if key is not "
|
||||
"needed in the next step\n"
|
||||
"needed in the next step.\n"
|
||||
"File name: <prefix>_human_readable_trace.txt\n"
|
||||
"Format:[type_id cf_id value_size time_in_micorsec <key>].");
|
||||
DEFINE_bool(output_qps_stats, false,
|
||||
@ -110,8 +110,8 @@ DEFINE_bool(output_qps_stats, false,
|
||||
"The time is started from the first trace record\n"
|
||||
"File name: <prefix>_qps_stats.txt\n"
|
||||
"Format: [qps_type_1 qps_type_2 ...... overall_qps]\n"
|
||||
"For each cf and query, it will have its own qps output\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>_qps_stats.txt \n"
|
||||
"For each cf and query, it will have its own qps output.\n"
|
||||
"File name: <prefix>-<query_type>-<cf_id>_qps_stats.txt \n"
|
||||
"Format:[query_count_in_this_second].");
|
||||
DEFINE_bool(no_print, false, "Do not print out any result");
|
||||
DEFINE_string(
|
||||
@ -122,7 +122,7 @@ DEFINE_string(
|
||||
"get, put, delete, single_delete, rangle_delete, merge. No space "
|
||||
"between the pairs separated by commar. Example: =[get,get]... "
|
||||
"It will print out the number of pairs of 'A after B' and "
|
||||
"the average time interval between the two query");
|
||||
"the average time interval between the two query.");
|
||||
DEFINE_string(key_space_dir, "",
|
||||
"<the directory stores full key space files> \n"
|
||||
"The key space files should be: <column family id>.txt");
|
||||
@ -143,7 +143,7 @@ DEFINE_bool(print_key_distribution, false, "Print the key size distribution.");
|
||||
DEFINE_bool(
|
||||
output_value_distribution, false,
|
||||
"Out put the value size distribution, only available for Put and Merge.\n"
|
||||
"File name: <prefix>-<query type>-<cf_id>"
|
||||
"File name: <prefix>-<query_type>-<cf_id>"
|
||||
"-accessed_value_size_distribution.txt\n"
|
||||
"Format:[Number_of_value_size_between x and "
|
||||
"x+value_interval is: <the count>]");
|
||||
|
Loading…
Reference in New Issue
Block a user