mirror of https://github.com/facebook/rocksdb.git
290 lines
9.7 KiB
C++
290 lines
9.7 KiB
C++
// 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).
|
|
|
|
#pragma once
|
|
#ifndef ROCKSDB_LITE
|
|
|
|
#include <list>
|
|
#include <map>
|
|
#include <queue>
|
|
#include <set>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "rocksdb/env.h"
|
|
#include "rocksdb/trace_reader_writer.h"
|
|
#include "rocksdb/write_batch.h"
|
|
#include "trace_replay/trace_replay.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
class DBImpl;
|
|
class WriteBatch;
|
|
|
|
enum TraceOperationType : int {
|
|
kGet = 0,
|
|
kPut = 1,
|
|
kDelete = 2,
|
|
kSingleDelete = 3,
|
|
kRangeDelete = 4,
|
|
kMerge = 5,
|
|
kIteratorSeek = 6,
|
|
kIteratorSeekForPrev = 7,
|
|
kTaTypeNum = 8
|
|
};
|
|
|
|
struct TraceUnit {
|
|
uint64_t ts;
|
|
uint32_t type;
|
|
uint32_t cf_id;
|
|
size_t value_size;
|
|
std::string key;
|
|
};
|
|
|
|
struct TypeCorrelation {
|
|
uint64_t count;
|
|
uint64_t total_ts;
|
|
};
|
|
|
|
struct StatsUnit {
|
|
uint64_t key_id;
|
|
uint64_t access_count;
|
|
uint64_t latest_ts;
|
|
uint64_t succ_count; // current only used to count Get if key found
|
|
uint32_t cf_id;
|
|
size_t value_size;
|
|
std::vector<TypeCorrelation> v_correlation;
|
|
};
|
|
|
|
class AnalyzerOptions {
|
|
public:
|
|
std::vector<std::vector<int>> correlation_map;
|
|
std::vector<std::pair<int, int>> correlation_list;
|
|
|
|
AnalyzerOptions();
|
|
|
|
~AnalyzerOptions();
|
|
|
|
void SparseCorrelationInput(const std::string& in_str);
|
|
};
|
|
|
|
// Note that, for the variable names in the trace_analyzer,
|
|
// Starting with 'a_' means the variable is used for 'accessed_keys'.
|
|
// Starting with 'w_' means it is used for 'the whole key space'.
|
|
// Ending with '_f' means a file write or reader pointer.
|
|
// For example, 'a_count' means 'accessed_keys_count',
|
|
// 'w_key_f' means 'whole_key_space_file'.
|
|
|
|
struct TraceStats {
|
|
uint32_t cf_id;
|
|
std::string cf_name;
|
|
uint64_t a_count;
|
|
uint64_t a_succ_count;
|
|
uint64_t a_key_id;
|
|
uint64_t a_key_size_sqsum;
|
|
uint64_t a_key_size_sum;
|
|
uint64_t a_key_mid;
|
|
uint64_t a_value_size_sqsum;
|
|
uint64_t a_value_size_sum;
|
|
uint64_t a_value_mid;
|
|
uint32_t a_peak_qps;
|
|
double a_ave_qps;
|
|
std::map<std::string, StatsUnit> a_key_stats;
|
|
std::map<uint64_t, uint64_t> a_count_stats;
|
|
std::map<uint64_t, uint64_t> a_key_size_stats;
|
|
std::map<uint64_t, uint64_t> a_value_size_stats;
|
|
std::map<uint32_t, uint32_t> a_qps_stats;
|
|
std::map<uint32_t, std::map<std::string, uint32_t>> a_qps_prefix_stats;
|
|
std::priority_queue<std::pair<uint64_t, std::string>,
|
|
std::vector<std::pair<uint64_t, std::string>>,
|
|
std::greater<std::pair<uint64_t, std::string>>>
|
|
top_k_queue;
|
|
std::priority_queue<std::pair<uint64_t, std::string>,
|
|
std::vector<std::pair<uint64_t, std::string>>,
|
|
std::greater<std::pair<uint64_t, std::string>>>
|
|
top_k_prefix_access;
|
|
std::priority_queue<std::pair<double, std::string>,
|
|
std::vector<std::pair<double, std::string>>,
|
|
std::greater<std::pair<double, std::string>>>
|
|
top_k_prefix_ave;
|
|
std::priority_queue<std::pair<uint32_t, uint32_t>,
|
|
std::vector<std::pair<uint32_t, uint32_t>>,
|
|
std::greater<std::pair<uint32_t, uint32_t>>>
|
|
top_k_qps_sec;
|
|
std::list<TraceUnit> time_series;
|
|
std::vector<std::pair<uint64_t, uint64_t>> correlation_output;
|
|
std::map<uint32_t, uint64_t> uni_key_num;
|
|
|
|
std::unique_ptr<rocksdb::WritableFile> time_series_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_key_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_count_dist_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_prefix_cut_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_value_size_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_key_size_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_key_num_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_qps_f;
|
|
std::unique_ptr<rocksdb::WritableFile> a_top_qps_prefix_f;
|
|
std::unique_ptr<rocksdb::WritableFile> w_key_f;
|
|
std::unique_ptr<rocksdb::WritableFile> w_prefix_cut_f;
|
|
|
|
TraceStats();
|
|
~TraceStats();
|
|
TraceStats(const TraceStats&) = delete;
|
|
TraceStats& operator=(const TraceStats&) = delete;
|
|
TraceStats(TraceStats&&) = default;
|
|
TraceStats& operator=(TraceStats&&) = default;
|
|
};
|
|
|
|
struct TypeUnit {
|
|
std::string type_name;
|
|
bool enabled;
|
|
uint64_t total_keys;
|
|
uint64_t total_access;
|
|
uint64_t total_succ_access;
|
|
uint32_t sample_count;
|
|
std::map<uint32_t, TraceStats> stats;
|
|
TypeUnit() = default;
|
|
~TypeUnit() = default;
|
|
TypeUnit(const TypeUnit&) = delete;
|
|
TypeUnit& operator=(const TypeUnit&) = delete;
|
|
TypeUnit(TypeUnit&&) = default;
|
|
TypeUnit& operator=(TypeUnit&&) = default;
|
|
};
|
|
|
|
struct CfUnit {
|
|
uint32_t cf_id;
|
|
uint64_t w_count; // total keys in this cf if we use the whole key space
|
|
uint64_t a_count; // the total keys in this cf that are accessed
|
|
std::map<uint64_t, uint64_t> w_key_size_stats; // whole key space key size
|
|
// statistic this cf
|
|
std::map<uint32_t, uint32_t> cf_qps;
|
|
};
|
|
|
|
class TraceAnalyzer {
|
|
public:
|
|
TraceAnalyzer(std::string& trace_path, std::string& output_path,
|
|
AnalyzerOptions _analyzer_opts);
|
|
~TraceAnalyzer();
|
|
|
|
Status PrepareProcessing();
|
|
|
|
Status StartProcessing();
|
|
|
|
Status MakeStatistics();
|
|
|
|
Status ReProcessing();
|
|
|
|
Status EndProcessing();
|
|
|
|
Status WriteTraceUnit(TraceUnit& unit);
|
|
|
|
// The trace processing functions for different type
|
|
Status HandleGet(uint32_t column_family_id, const std::string& key,
|
|
const uint64_t& ts, const uint32_t& get_ret);
|
|
Status HandlePut(uint32_t column_family_id, const Slice& key,
|
|
const Slice& value);
|
|
Status HandleDelete(uint32_t column_family_id, const Slice& key);
|
|
Status HandleSingleDelete(uint32_t column_family_id, const Slice& key);
|
|
Status HandleDeleteRange(uint32_t column_family_id, const Slice& begin_key,
|
|
const Slice& end_key);
|
|
Status HandleMerge(uint32_t column_family_id, const Slice& key,
|
|
const Slice& value);
|
|
Status HandleIter(uint32_t column_family_id, const std::string& key,
|
|
const uint64_t& ts, TraceType& trace_type);
|
|
std::vector<TypeUnit>& GetTaVector() { return ta_; }
|
|
|
|
private:
|
|
rocksdb::Env* env_;
|
|
EnvOptions env_options_;
|
|
std::unique_ptr<TraceReader> trace_reader_;
|
|
size_t offset_;
|
|
char buffer_[1024];
|
|
uint64_t c_time_;
|
|
std::string trace_name_;
|
|
std::string output_path_;
|
|
AnalyzerOptions analyzer_opts_;
|
|
uint64_t total_requests_;
|
|
uint64_t total_access_keys_;
|
|
uint64_t total_gets_;
|
|
uint64_t total_writes_;
|
|
uint64_t trace_create_time_;
|
|
uint64_t begin_time_;
|
|
uint64_t end_time_;
|
|
uint64_t time_series_start_;
|
|
uint32_t sample_max_;
|
|
uint32_t cur_time_sec_;
|
|
std::unique_ptr<rocksdb::WritableFile> trace_sequence_f_; // readable trace
|
|
std::unique_ptr<rocksdb::WritableFile> qps_f_; // overall qps
|
|
std::unique_ptr<rocksdb::WritableFile> cf_qps_f_; // The qps of each CF>
|
|
std::vector<TypeUnit> ta_; // The main statistic collecting data structure
|
|
std::map<uint32_t, CfUnit> cfs_; // All the cf_id appears in this trace;
|
|
std::vector<uint32_t> qps_peak_;
|
|
std::vector<double> qps_ave_;
|
|
|
|
Status ReadTraceHeader(Trace* header);
|
|
Status ReadTraceFooter(Trace* footer);
|
|
Status ReadTraceRecord(Trace* trace);
|
|
Status KeyStatsInsertion(const uint32_t& type, const uint32_t& cf_id,
|
|
const std::string& key, const size_t value_size,
|
|
const uint64_t ts);
|
|
Status StatsUnitCorrelationUpdate(StatsUnit& unit, const uint32_t& type,
|
|
const uint64_t& ts, const std::string& key);
|
|
Status OpenStatsOutputFiles(const std::string& type, TraceStats& new_stats);
|
|
Status CreateOutputFile(const std::string& type, const std::string& cf_name,
|
|
const std::string& ending,
|
|
std::unique_ptr<rocksdb::WritableFile>* f_ptr);
|
|
void CloseOutputFiles();
|
|
|
|
void PrintStatistics();
|
|
Status TraceUnitWriter(std::unique_ptr<rocksdb::WritableFile>& f_ptr,
|
|
TraceUnit& unit);
|
|
Status WriteTraceSequence(const uint32_t& type, const uint32_t& cf_id,
|
|
const std::string& key, const size_t value_size,
|
|
const uint64_t ts);
|
|
Status MakeStatisticKeyStatsOrPrefix(TraceStats& stats);
|
|
Status MakeStatisticCorrelation(TraceStats& stats, StatsUnit& unit);
|
|
Status MakeStatisticQPS();
|
|
};
|
|
|
|
// write bach handler to be used for WriteBache iterator
|
|
// when processing the write trace
|
|
class TraceWriteHandler : public WriteBatch::Handler {
|
|
public:
|
|
TraceWriteHandler() { ta_ptr = nullptr; }
|
|
explicit TraceWriteHandler(TraceAnalyzer* _ta_ptr) { ta_ptr = _ta_ptr; }
|
|
~TraceWriteHandler() {}
|
|
|
|
virtual Status PutCF(uint32_t column_family_id, const Slice& key,
|
|
const Slice& value) override {
|
|
return ta_ptr->HandlePut(column_family_id, key, value);
|
|
}
|
|
virtual Status DeleteCF(uint32_t column_family_id,
|
|
const Slice& key) override {
|
|
return ta_ptr->HandleDelete(column_family_id, key);
|
|
}
|
|
virtual Status SingleDeleteCF(uint32_t column_family_id,
|
|
const Slice& key) override {
|
|
return ta_ptr->HandleSingleDelete(column_family_id, key);
|
|
}
|
|
virtual Status DeleteRangeCF(uint32_t column_family_id,
|
|
const Slice& begin_key,
|
|
const Slice& end_key) override {
|
|
return ta_ptr->HandleDeleteRange(column_family_id, begin_key, end_key);
|
|
}
|
|
virtual Status MergeCF(uint32_t column_family_id, const Slice& key,
|
|
const Slice& value) override {
|
|
return ta_ptr->HandleMerge(column_family_id, key, value);
|
|
}
|
|
|
|
private:
|
|
TraceAnalyzer* ta_ptr;
|
|
};
|
|
|
|
int trace_analyzer_tool(int argc, char** argv);
|
|
|
|
} // namespace rocksdb
|
|
|
|
#endif // ROCKSDB_LITE
|