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kailiu 11 years ago
parent 551e9428ce
commit c7707f24c2
2 changed files with 45 additions and 49 deletions
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  1. 92
      include/rocksdb/statistics.h
  2. 2
      util/statistics_imp.h

92
include/rocksdb/statistics.h
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@ -7,7 +7,6 @@
#define STORAGE_ROCKSDB_INCLUDE_STATISTICS_H_ #define STORAGE_ROCKSDB_INCLUDE_STATISTICS_H_
#include <atomic> #include <atomic>
#include <cassert>
#include <cstddef> #include <cstddef>
#include <cstdint> #include <cstdint>
#include <string> #include <string>
@ -18,10 +17,8 @@ namespace rocksdb {
/** /**
* Keep adding ticker's here. * Keep adding ticker's here.
* Any ticker should have a value less than TICKER_ENUM_MAX. * 1. Any ticker should be added before TICKER_ENUM_MAX.
* Add a new ticker by assigning it the current value of TICKER_ENUM_MAX * 2. Add a readable string in TickersNameMap below for the newly added ticker.
* Add a string representation in TickersNameMap below.
* And incrementing TICKER_ENUM_MAX.
*/ */
enum Tickers { enum Tickers {
// total block cache misses // total block cache misses
@ -120,46 +117,46 @@ enum Tickers {
// The order of items listed in Tickers should be the same as // The order of items listed in Tickers should be the same as
// the order listed in TickersNameMap // the order listed in TickersNameMap
const std::vector<std::pair<Tickers, std::string>> TickersNameMap = { const std::vector<std::pair<Tickers, std::string>> TickersNameMap = {
{ BLOCK_CACHE_MISS, "rocksdb.block.cache.miss" }, { BLOCK_CACHE_MISS, "rocksdb.block.cache.miss" },
{ BLOCK_CACHE_HIT, "rocksdb.block.cache.hit" }, { BLOCK_CACHE_HIT, "rocksdb.block.cache.hit" },
{ BLOCK_CACHE_ADD, "rocksdb.block.cache.add" }, { BLOCK_CACHE_ADD, "rocksdb.block.cache.add" },
{ BLOCK_CACHE_INDEX_MISS, "rocksdb.block.cache.index.miss" }, { BLOCK_CACHE_INDEX_MISS, "rocksdb.block.cache.index.miss" },
{ BLOCK_CACHE_INDEX_HIT, "rocksdb.block.cache.index.hit" }, { BLOCK_CACHE_INDEX_HIT, "rocksdb.block.cache.index.hit" },
{ BLOCK_CACHE_FILTER_MISS, "rocksdb.block.cache.filter.miss" }, { BLOCK_CACHE_FILTER_MISS, "rocksdb.block.cache.filter.miss" },
{ BLOCK_CACHE_FILTER_HIT, "rocksdb.block.cache.filter.hit" }, { BLOCK_CACHE_FILTER_HIT, "rocksdb.block.cache.filter.hit" },
{ BLOCK_CACHE_DATA_MISS, "rocksdb.block.cache.data.miss" }, { BLOCK_CACHE_DATA_MISS, "rocksdb.block.cache.data.miss" },
{ BLOCK_CACHE_DATA_HIT, "rocksdb.block.cache.data.hit" }, { BLOCK_CACHE_DATA_HIT, "rocksdb.block.cache.data.hit" },
{ BLOOM_FILTER_USEFUL, "rocksdb.bloom.filter.useful" }, { BLOOM_FILTER_USEFUL, "rocksdb.bloom.filter.useful" },
{ MEMTABLE_HIT, "rocksdb.memtable.hit" }, { MEMTABLE_HIT, "rocksdb.memtable.hit" },
{ MEMTABLE_MISS, "rocksdb.memtable.miss" }, { MEMTABLE_MISS, "rocksdb.memtable.miss" },
{ COMPACTION_KEY_DROP_NEWER_ENTRY, "rocksdb.compaction.key.drop.new" }, { COMPACTION_KEY_DROP_NEWER_ENTRY, "rocksdb.compaction.key.drop.new" },
{ COMPACTION_KEY_DROP_OBSOLETE, "rocksdb.compaction.key.drop.obsolete" }, { COMPACTION_KEY_DROP_OBSOLETE, "rocksdb.compaction.key.drop.obsolete" },
{ COMPACTION_KEY_DROP_USER, "rocksdb.compaction.key.drop.user" }, { COMPACTION_KEY_DROP_USER, "rocksdb.compaction.key.drop.user" },
{ NUMBER_KEYS_WRITTEN, "rocksdb.number.keys.written" }, { NUMBER_KEYS_WRITTEN, "rocksdb.number.keys.written" },
{ NUMBER_KEYS_READ, "rocksdb.number.keys.read" }, { NUMBER_KEYS_READ, "rocksdb.number.keys.read" },
{ NUMBER_KEYS_UPDATED, "rocksdb.number.keys.updated" }, { NUMBER_KEYS_UPDATED, "rocksdb.number.keys.updated" },
{ BYTES_WRITTEN, "rocksdb.bytes.written" }, { BYTES_WRITTEN, "rocksdb.bytes.written" },
{ BYTES_READ, "rocksdb.bytes.read" }, { BYTES_READ, "rocksdb.bytes.read" },
{ NO_FILE_CLOSES, "rocksdb.no.file.closes" }, { NO_FILE_CLOSES, "rocksdb.no.file.closes" },
{ NO_FILE_OPENS, "rocksdb.no.file.opens" }, { NO_FILE_OPENS, "rocksdb.no.file.opens" },
{ NO_FILE_ERRORS, "rocksdb.no.file.errors" }, { NO_FILE_ERRORS, "rocksdb.no.file.errors" },
{ STALL_L0_SLOWDOWN_MICROS, "rocksdb.l0.slowdown.micros" }, { STALL_L0_SLOWDOWN_MICROS, "rocksdb.l0.slowdown.micros" },
{ STALL_MEMTABLE_COMPACTION_MICROS, "rocksdb.memtable.compaction.micros" }, { STALL_MEMTABLE_COMPACTION_MICROS, "rocksdb.memtable.compaction.micros" },
{ STALL_L0_NUM_FILES_MICROS, "rocksdb.l0.num.files.stall.micros" }, { STALL_L0_NUM_FILES_MICROS, "rocksdb.l0.num.files.stall.micros" },
{ RATE_LIMIT_DELAY_MILLIS, "rocksdb.rate.limit.delay.millis" }, { RATE_LIMIT_DELAY_MILLIS, "rocksdb.rate.limit.delay.millis" },
{ NO_ITERATORS, "rocksdb.num.iterators" }, { NO_ITERATORS, "rocksdb.num.iterators" },
{ NUMBER_MULTIGET_CALLS, "rocksdb.number.multiget.get" }, { NUMBER_MULTIGET_CALLS, "rocksdb.number.multiget.get" },
{ NUMBER_MULTIGET_KEYS_READ, "rocksdb.number.multiget.keys.read" }, { NUMBER_MULTIGET_KEYS_READ, "rocksdb.number.multiget.keys.read" },
{ NUMBER_MULTIGET_BYTES_READ, "rocksdb.number.multiget.bytes.read" }, { NUMBER_MULTIGET_BYTES_READ, "rocksdb.number.multiget.bytes.read" },
{ NUMBER_FILTERED_DELETES, "rocksdb.number.deletes.filtered" }, { NUMBER_FILTERED_DELETES, "rocksdb.number.deletes.filtered" },
{ NUMBER_MERGE_FAILURES, "rocksdb.number.merge.failures" }, { NUMBER_MERGE_FAILURES, "rocksdb.number.merge.failures" },
{ SEQUENCE_NUMBER, "rocksdb.sequence.number" }, { SEQUENCE_NUMBER, "rocksdb.sequence.number" },
{ BLOOM_FILTER_PREFIX_CHECKED, "rocksdb.bloom.filter.prefix.checked" }, { BLOOM_FILTER_PREFIX_CHECKED, "rocksdb.bloom.filter.prefix.checked" },
{ BLOOM_FILTER_PREFIX_USEFUL, "rocksdb.bloom.filter.prefix.useful" }, { BLOOM_FILTER_PREFIX_USEFUL, "rocksdb.bloom.filter.prefix.useful" },
{ NUMBER_OF_RESEEKS_IN_ITERATION, "rocksdb.number.reseeks.iteration" }, { NUMBER_OF_RESEEKS_IN_ITERATION, "rocksdb.number.reseeks.iteration" },
{ GET_UPDATES_SINCE_CALLS, "rocksdb.getupdatessince.calls" }, { GET_UPDATES_SINCE_CALLS, "rocksdb.getupdatessince.calls" },
{ BLOCK_CACHE_COMPRESSED_MISS, "rocksdb.block.cachecompressed.miss" }, { BLOCK_CACHE_COMPRESSED_MISS, "rocksdb.block.cachecompressed.miss" },
{ BLOCK_CACHE_COMPRESSED_HIT, "rocksdb.block.cachecompressed.hit" } { BLOCK_CACHE_COMPRESSED_HIT, "rocksdb.block.cachecompressed.hit" },
}; };
/** /**
@ -254,7 +251,7 @@ class Ticker {
count_ = count; count_ = count;
} }
inline void recordTick(int count = 1) { inline void recordTick(int64_t count = 1) {
count_ += count; count_ += count;
} }
@ -269,13 +266,12 @@ class Ticker {
// Analyze the performance of a db // Analyze the performance of a db
class Statistics { class Statistics {
public: public:
virtual long getTickerCount(Tickers tickerType) = 0; virtual long getTickerCount(Tickers tickerType) = 0;
virtual void recordTick(Tickers tickerType, uint64_t count = 0) = 0; virtual void recordTick(Tickers tickerType, uint64_t count = 0) = 0;
virtual void setTickerCount(Tickers tickerType, uint64_t count) = 0; virtual void setTickerCount(Tickers tickerType, uint64_t count) = 0;
virtual void measureTime(Histograms histogramType, uint64_t time) = 0; virtual void measureTime(Histograms histogramType, uint64_t time) = 0;
virtual void histogramData(Histograms type, HistogramData * const data) = 0; virtual void histogramData(Histograms type, HistogramData* const data) = 0;
// String representation of the statistic object. // String representation of the statistic object.
std::string ToString(); std::string ToString();
}; };

2
util/statistics_imp.h
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@ -11,7 +11,7 @@ namespace rocksdb {
// Utility functions // Utility functions
inline void RecordTick(Statistics* statistics, inline void RecordTick(Statistics* statistics,
Tickers ticker, Tickers ticker,
uint64_t count = 1) { int64_t count = 1) {
assert(HistogramsNameMap.size() == HISTOGRAM_ENUM_MAX); assert(HistogramsNameMap.size() == HISTOGRAM_ENUM_MAX);
assert(TickersNameMap.size() == TICKER_ENUM_MAX); assert(TickersNameMap.size() == TICKER_ENUM_MAX);
if (statistics) { if (statistics) {

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