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Code Issues Packages Projects Releases Wiki Activity
rocksdb/monitoring/statistics.cc
Hui Xiao 06e593376c Group SST write in flush, compaction and db open with new stats (#11910) 
Summary:
## Context/Summary
Similar to https://github.com/facebook/rocksdb/pull/11288, https://github.com/facebook/rocksdb/pull/11444, categorizing SST/blob file write according to different io activities allows more insight into the activity.

For that, this PR does the following:
- Tag different write IOs by passing down and converting WriteOptions to IOOptions
- Add new SST_WRITE_MICROS histogram in WritableFileWriter::Append() and breakdown FILE_WRITE_{FLUSH|COMPACTION|DB_OPEN}_MICROS

Some related code refactory to make implementation cleaner:
- Blob stats
   - Replace high-level write measurement with low-level WritableFileWriter::Append() measurement for BLOB_DB_BLOB_FILE_WRITE_MICROS. This is to make FILE_WRITE_{FLUSH|COMPACTION|DB_OPEN}_MICROS  include blob file. As a consequence, this introduces some behavioral changes on it, see HISTORY and db bench test plan below for more info.
   - Fix bugs where BLOB_DB_BLOB_FILE_SYNCED/BLOB_DB_BLOB_FILE_BYTES_WRITTEN include file failed to sync and bytes failed to write.
- Refactor WriteOptions constructor for easier construction with io_activity and rate_limiter_priority
- Refactor DBImpl::~DBImpl()/BlobDBImpl::Close() to bypass thread op verification
- Build table
   - TableBuilderOptions now includes Read/WriteOpitons so BuildTable() do not need to take these two variables
   - Replace the io_priority passed into BuildTable() with TableBuilderOptions::WriteOpitons::rate_limiter_priority. Similar for BlobFileBuilder.
This parameter is used for dynamically changing file io priority for flush, see  https://github.com/facebook/rocksdb/pull/9988?fbclid=IwAR1DtKel6c-bRJAdesGo0jsbztRtciByNlvokbxkV6h_L-AE9MACzqRTT5s for more
   - Update ThreadStatus::FLUSH_BYTES_WRITTEN to use io_activity to track flush IO in flush job and db open instead of io_priority

## Test
### db bench

Flush
```
./db_bench --statistics=1 --benchmarks=fillseq --num=100000 --write_buffer_size=100

rocksdb.sst.write.micros P50 : 1.830863 P95 : 4.094720 P99 : 6.578947 P100 : 26.000000 COUNT : 7875 SUM : 20377
rocksdb.file.write.flush.micros P50 : 1.830863 P95 : 4.094720 P99 : 6.578947 P100 : 26.000000 COUNT : 7875 SUM : 20377
rocksdb.file.write.compaction.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0
rocksdb.file.write.db.open.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0
```

compaction, db oopen
```
Setup: ./db_bench --statistics=1 --benchmarks=fillseq --num=10000 --disable_auto_compactions=1 -write_buffer_size=100 --db=../db_bench

Run:./db_bench --statistics=1 --benchmarks=compact  --db=../db_bench --use_existing_db=1

rocksdb.sst.write.micros P50 : 2.675325 P95 : 9.578788 P99 : 18.780000 P100 : 314.000000 COUNT : 638 SUM : 3279
rocksdb.file.write.flush.micros P50 : 0.000000 P95 : 0.000000 P99 : 0.000000 P100 : 0.000000 COUNT : 0 SUM : 0
rocksdb.file.write.compaction.micros P50 : 2.757353 P95 : 9.610687 P99 : 19.316667 P100 : 314.000000 COUNT : 615 SUM : 3213
rocksdb.file.write.db.open.micros P50 : 2.055556 P95 : 3.925000 P99 : 9.000000 P100 : 9.000000 COUNT : 23 SUM : 66
```

blob stats - just to make sure they aren't broken by this PR
```
Integrated Blob DB

Setup: ./db_bench --enable_blob_files=1 --statistics=1 --benchmarks=fillseq --num=10000 --disable_auto_compactions=1 -write_buffer_size=100 --db=../db_bench

Run:./db_bench --enable_blob_files=1 --statistics=1 --benchmarks=compact  --db=../db_bench --use_existing_db=1

pre-PR:
rocksdb.blobdb.blob.file.write.micros P50 : 7.298246 P95 : 9.771930 P99 : 9.991813 P100 : 16.000000 COUNT : 235 SUM : 1600
rocksdb.blobdb.blob.file.synced COUNT : 1
rocksdb.blobdb.blob.file.bytes.written COUNT : 34842

post-PR:
rocksdb.blobdb.blob.file.write.micros P50 : 2.000000 P95 : 2.829360 P99 : 2.993779 P100 : 9.000000 COUNT : 707 SUM : 1614
- COUNT is higher and values are smaller as it includes header and footer write
- COUNT is 3X higher due to each Append() count as one post-PR, while in pre-PR, 3 Append()s counts as one. See https://github.com/facebook/rocksdb/pull/11910/files#diff-32b811c0a1c000768cfb2532052b44dc0b3bf82253f3eab078e15ff201a0dabfL157-L164

rocksdb.blobdb.blob.file.synced COUNT : 1 (stay the same)
rocksdb.blobdb.blob.file.bytes.written COUNT : 34842 (stay the same)
```

```
Stacked Blob DB

Run: ./db_bench --use_blob_db=1 --statistics=1 --benchmarks=fillseq --num=10000 --disable_auto_compactions=1 -write_buffer_size=100 --db=../db_bench

pre-PR:
rocksdb.blobdb.blob.file.write.micros P50 : 12.808042 P95 : 19.674497 P99 : 28.539683 P100 : 51.000000 COUNT : 10000 SUM : 140876
rocksdb.blobdb.blob.file.synced COUNT : 8
rocksdb.blobdb.blob.file.bytes.written COUNT : 1043445

post-PR:
rocksdb.blobdb.blob.file.write.micros P50 : 1.657370 P95 : 2.952175 P99 : 3.877519 P100 : 24.000000 COUNT : 30001 SUM : 67924
- COUNT is higher and values are smaller as it includes header and footer write
- COUNT is 3X higher due to each Append() count as one post-PR, while in pre-PR, 3 Append()s counts as one. See https://github.com/facebook/rocksdb/pull/11910/files#diff-32b811c0a1c000768cfb2532052b44dc0b3bf82253f3eab078e15ff201a0dabfL157-L164

rocksdb.blobdb.blob.file.synced COUNT : 8 (stay the same)
rocksdb.blobdb.blob.file.bytes.written COUNT : 1043445 (stay the same)
```

###  Rehearsal CI stress test
Trigger 3 full runs of all our CI stress tests

###  Performance

Flush
```
TEST_TMPDIR=/dev/shm ./db_basic_bench_pre_pr --benchmark_filter=ManualFlush/key_num:524288/per_key_size:256 --benchmark_repetitions=1000
-- default: 1 thread is used to run benchmark; enable_statistics = true

Pre-pr: avg 507515519.3 ns
497686074,499444327,500862543,501389862,502994471,503744435,504142123,504224056,505724198,506610393,506837742,506955122,507695561,507929036,508307733,508312691,508999120,509963561,510142147,510698091,510743096,510769317,510957074,511053311,511371367,511409911,511432960,511642385,511691964,511730908,

Post-pr: avg 511971266.5 ns, regressed 0.88%
502744835,506502498,507735420,507929724,508313335,509548582,509994942,510107257,510715603,511046955,511352639,511458478,512117521,512317380,512766303,512972652,513059586,513804934,513808980,514059409,514187369,514389494,514447762,514616464,514622882,514641763,514666265,514716377,514990179,515502408,
```

Compaction
```
TEST_TMPDIR=/dev/shm ./db_basic_bench_{pre|post}_pr --benchmark_filter=ManualCompaction/comp_style:0/max_data:134217728/per_key_size:256/enable_statistics:1  --benchmark_repetitions=1000
-- default: 1 thread is used to run benchmark

Pre-pr: avg 495346098.30 ns
492118301,493203526,494201411,494336607,495269217,495404950,496402598,497012157,497358370,498153846

Post-pr: avg 504528077.20, regressed 1.85%. "ManualCompaction" include flush so the isolated regression for compaction should be around 1.85-0.88 = 0.97%
502465338,502485945,502541789,502909283,503438601,504143885,506113087,506629423,507160414,507393007
```

Put with WAL (in case passing WriteOptions slows down this path even without collecting SST write stats)
```
TEST_TMPDIR=/dev/shm ./db_basic_bench_pre_pr --benchmark_filter=DBPut/comp_style:0/max_data:107374182400/per_key_size:256/enable_statistics:1/wal:1  --benchmark_repetitions=1000
-- default: 1 thread is used to run benchmark

Pre-pr: avg 3848.10 ns
3814,3838,3839,3848,3854,3854,3854,3860,3860,3860

Post-pr: avg 3874.20 ns, regressed 0.68%
3863,3867,3871,3874,3875,3877,3877,3877,3880,3881
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11910

Reviewed By: ajkr

Differential Revision: D49788060

Pulled By: hx235

fbshipit-source-id: 79e73699cda5be3b66461687e5147c2484fc5eff
2023-12-29 15:29:23 -08:00

570 lines
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// 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).
//
#include "rocksdb/statistics.h"
#include <algorithm>
#include <cinttypes>
#include <cstdio>
#include "monitoring/statistics_impl.h"
#include "rocksdb/convenience.h"
#include "rocksdb/utilities/customizable_util.h"
#include "rocksdb/utilities/options_type.h"
#include "util/string_util.h"
namespace ROCKSDB_NAMESPACE {
// The order of items listed in Tickers should be the same as
// the order listed in TickersNameMap
const std::vector<std::pair<Tickers, std::string>> TickersNameMap = {
{BLOCK_CACHE_MISS, "rocksdb.block.cache.miss"},
{BLOCK_CACHE_HIT, "rocksdb.block.cache.hit"},
{BLOCK_CACHE_ADD, "rocksdb.block.cache.add"},
{BLOCK_CACHE_ADD_FAILURES, "rocksdb.block.cache.add.failures"},
{BLOCK_CACHE_INDEX_MISS, "rocksdb.block.cache.index.miss"},
{BLOCK_CACHE_INDEX_HIT, "rocksdb.block.cache.index.hit"},
{BLOCK_CACHE_INDEX_ADD, "rocksdb.block.cache.index.add"},
{BLOCK_CACHE_INDEX_BYTES_INSERT, "rocksdb.block.cache.index.bytes.insert"},
{BLOCK_CACHE_FILTER_MISS, "rocksdb.block.cache.filter.miss"},
{BLOCK_CACHE_FILTER_HIT, "rocksdb.block.cache.filter.hit"},
{BLOCK_CACHE_FILTER_ADD, "rocksdb.block.cache.filter.add"},
{BLOCK_CACHE_FILTER_BYTES_INSERT,
"rocksdb.block.cache.filter.bytes.insert"},
{BLOCK_CACHE_DATA_MISS, "rocksdb.block.cache.data.miss"},
{BLOCK_CACHE_DATA_HIT, "rocksdb.block.cache.data.hit"},
{BLOCK_CACHE_DATA_ADD, "rocksdb.block.cache.data.add"},
{BLOCK_CACHE_DATA_BYTES_INSERT, "rocksdb.block.cache.data.bytes.insert"},
{BLOCK_CACHE_BYTES_READ, "rocksdb.block.cache.bytes.read"},
{BLOCK_CACHE_BYTES_WRITE, "rocksdb.block.cache.bytes.write"},
{BLOOM_FILTER_USEFUL, "rocksdb.bloom.filter.useful"},
{BLOOM_FILTER_FULL_POSITIVE, "rocksdb.bloom.filter.full.positive"},
{BLOOM_FILTER_FULL_TRUE_POSITIVE,
"rocksdb.bloom.filter.full.true.positive"},
{PERSISTENT_CACHE_HIT, "rocksdb.persistent.cache.hit"},
{PERSISTENT_CACHE_MISS, "rocksdb.persistent.cache.miss"},
{SIM_BLOCK_CACHE_HIT, "rocksdb.sim.block.cache.hit"},
{SIM_BLOCK_CACHE_MISS, "rocksdb.sim.block.cache.miss"},
{MEMTABLE_HIT, "rocksdb.memtable.hit"},
{MEMTABLE_MISS, "rocksdb.memtable.miss"},
{GET_HIT_L0, "rocksdb.l0.hit"},
{GET_HIT_L1, "rocksdb.l1.hit"},
{GET_HIT_L2_AND_UP, "rocksdb.l2andup.hit"},
{COMPACTION_KEY_DROP_NEWER_ENTRY, "rocksdb.compaction.key.drop.new"},
{COMPACTION_KEY_DROP_OBSOLETE, "rocksdb.compaction.key.drop.obsolete"},
{COMPACTION_KEY_DROP_RANGE_DEL, "rocksdb.compaction.key.drop.range_del"},
{COMPACTION_KEY_DROP_USER, "rocksdb.compaction.key.drop.user"},
{COMPACTION_RANGE_DEL_DROP_OBSOLETE,
"rocksdb.compaction.range_del.drop.obsolete"},
{COMPACTION_OPTIMIZED_DEL_DROP_OBSOLETE,
"rocksdb.compaction.optimized.del.drop.obsolete"},
{COMPACTION_CANCELLED, "rocksdb.compaction.cancelled"},
{NUMBER_KEYS_WRITTEN, "rocksdb.number.keys.written"},
{NUMBER_KEYS_READ, "rocksdb.number.keys.read"},
{NUMBER_KEYS_UPDATED, "rocksdb.number.keys.updated"},
{BYTES_WRITTEN, "rocksdb.bytes.written"},
{BYTES_READ, "rocksdb.bytes.read"},
{NUMBER_DB_SEEK, "rocksdb.number.db.seek"},
{NUMBER_DB_NEXT, "rocksdb.number.db.next"},
{NUMBER_DB_PREV, "rocksdb.number.db.prev"},
{NUMBER_DB_SEEK_FOUND, "rocksdb.number.db.seek.found"},
{NUMBER_DB_NEXT_FOUND, "rocksdb.number.db.next.found"},
{NUMBER_DB_PREV_FOUND, "rocksdb.number.db.prev.found"},
{ITER_BYTES_READ, "rocksdb.db.iter.bytes.read"},
{NO_FILE_OPENS, "rocksdb.no.file.opens"},
{NO_FILE_ERRORS, "rocksdb.no.file.errors"},
{STALL_MICROS, "rocksdb.stall.micros"},
{DB_MUTEX_WAIT_MICROS, "rocksdb.db.mutex.wait.micros"},
{NUMBER_MULTIGET_CALLS, "rocksdb.number.multiget.get"},
{NUMBER_MULTIGET_KEYS_READ, "rocksdb.number.multiget.keys.read"},
{NUMBER_MULTIGET_BYTES_READ, "rocksdb.number.multiget.bytes.read"},
{NUMBER_MERGE_FAILURES, "rocksdb.number.merge.failures"},
{BLOOM_FILTER_PREFIX_CHECKED, "rocksdb.bloom.filter.prefix.checked"},
{BLOOM_FILTER_PREFIX_USEFUL, "rocksdb.bloom.filter.prefix.useful"},
{BLOOM_FILTER_PREFIX_TRUE_POSITIVE,
"rocksdb.bloom.filter.prefix.true.positive"},
{NUMBER_OF_RESEEKS_IN_ITERATION, "rocksdb.number.reseeks.iteration"},
{GET_UPDATES_SINCE_CALLS, "rocksdb.getupdatessince.calls"},
{WAL_FILE_SYNCED, "rocksdb.wal.synced"},
{WAL_FILE_BYTES, "rocksdb.wal.bytes"},
{WRITE_DONE_BY_SELF, "rocksdb.write.self"},
{WRITE_DONE_BY_OTHER, "rocksdb.write.other"},
{WRITE_WITH_WAL, "rocksdb.write.wal"},
{COMPACT_READ_BYTES, "rocksdb.compact.read.bytes"},
{COMPACT_WRITE_BYTES, "rocksdb.compact.write.bytes"},
{FLUSH_WRITE_BYTES, "rocksdb.flush.write.bytes"},
{COMPACT_READ_BYTES_MARKED, "rocksdb.compact.read.marked.bytes"},
{COMPACT_READ_BYTES_PERIODIC, "rocksdb.compact.read.periodic.bytes"},
{COMPACT_READ_BYTES_TTL, "rocksdb.compact.read.ttl.bytes"},
{COMPACT_WRITE_BYTES_MARKED, "rocksdb.compact.write.marked.bytes"},
{COMPACT_WRITE_BYTES_PERIODIC, "rocksdb.compact.write.periodic.bytes"},
{COMPACT_WRITE_BYTES_TTL, "rocksdb.compact.write.ttl.bytes"},
{NUMBER_DIRECT_LOAD_TABLE_PROPERTIES,
"rocksdb.number.direct.load.table.properties"},
{NUMBER_SUPERVERSION_ACQUIRES, "rocksdb.number.superversion_acquires"},
{NUMBER_SUPERVERSION_RELEASES, "rocksdb.number.superversion_releases"},
{NUMBER_SUPERVERSION_CLEANUPS, "rocksdb.number.superversion_cleanups"},
{NUMBER_BLOCK_COMPRESSED, "rocksdb.number.block.compressed"},
{NUMBER_BLOCK_DECOMPRESSED, "rocksdb.number.block.decompressed"},
{NUMBER_BLOCK_NOT_COMPRESSED, "rocksdb.number.block.not_compressed"},
{MERGE_OPERATION_TOTAL_TIME, "rocksdb.merge.operation.time.nanos"},
{FILTER_OPERATION_TOTAL_TIME, "rocksdb.filter.operation.time.nanos"},
{COMPACTION_CPU_TOTAL_TIME, "rocksdb.compaction.total.time.cpu_micros"},
{ROW_CACHE_HIT, "rocksdb.row.cache.hit"},
{ROW_CACHE_MISS, "rocksdb.row.cache.miss"},
{READ_AMP_ESTIMATE_USEFUL_BYTES, "rocksdb.read.amp.estimate.useful.bytes"},
{READ_AMP_TOTAL_READ_BYTES, "rocksdb.read.amp.total.read.bytes"},
{NUMBER_RATE_LIMITER_DRAINS, "rocksdb.number.rate_limiter.drains"},
{NUMBER_ITER_SKIP, "rocksdb.number.iter.skip"},
{BLOB_DB_NUM_PUT, "rocksdb.blobdb.num.put"},
{BLOB_DB_NUM_WRITE, "rocksdb.blobdb.num.write"},
{BLOB_DB_NUM_GET, "rocksdb.blobdb.num.get"},
{BLOB_DB_NUM_MULTIGET, "rocksdb.blobdb.num.multiget"},
{BLOB_DB_NUM_SEEK, "rocksdb.blobdb.num.seek"},
{BLOB_DB_NUM_NEXT, "rocksdb.blobdb.num.next"},
{BLOB_DB_NUM_PREV, "rocksdb.blobdb.num.prev"},
{BLOB_DB_NUM_KEYS_WRITTEN, "rocksdb.blobdb.num.keys.written"},
{BLOB_DB_NUM_KEYS_READ, "rocksdb.blobdb.num.keys.read"},
{BLOB_DB_BYTES_WRITTEN, "rocksdb.blobdb.bytes.written"},
{BLOB_DB_BYTES_READ, "rocksdb.blobdb.bytes.read"},
{BLOB_DB_WRITE_INLINED, "rocksdb.blobdb.write.inlined"},
{BLOB_DB_WRITE_INLINED_TTL, "rocksdb.blobdb.write.inlined.ttl"},
{BLOB_DB_WRITE_BLOB, "rocksdb.blobdb.write.blob"},
{BLOB_DB_WRITE_BLOB_TTL, "rocksdb.blobdb.write.blob.ttl"},
{BLOB_DB_BLOB_FILE_BYTES_WRITTEN, "rocksdb.blobdb.blob.file.bytes.written"},
{BLOB_DB_BLOB_FILE_BYTES_READ, "rocksdb.blobdb.blob.file.bytes.read"},
{BLOB_DB_BLOB_FILE_SYNCED, "rocksdb.blobdb.blob.file.synced"},
{BLOB_DB_BLOB_INDEX_EXPIRED_COUNT,
"rocksdb.blobdb.blob.index.expired.count"},
{BLOB_DB_BLOB_INDEX_EXPIRED_SIZE, "rocksdb.blobdb.blob.index.expired.size"},
{BLOB_DB_BLOB_INDEX_EVICTED_COUNT,
"rocksdb.blobdb.blob.index.evicted.count"},
{BLOB_DB_BLOB_INDEX_EVICTED_SIZE, "rocksdb.blobdb.blob.index.evicted.size"},
{BLOB_DB_GC_NUM_FILES, "rocksdb.blobdb.gc.num.files"},
{BLOB_DB_GC_NUM_NEW_FILES, "rocksdb.blobdb.gc.num.new.files"},
{BLOB_DB_GC_FAILURES, "rocksdb.blobdb.gc.failures"},
{BLOB_DB_GC_NUM_KEYS_RELOCATED, "rocksdb.blobdb.gc.num.keys.relocated"},
{BLOB_DB_GC_BYTES_RELOCATED, "rocksdb.blobdb.gc.bytes.relocated"},
{BLOB_DB_FIFO_NUM_FILES_EVICTED, "rocksdb.blobdb.fifo.num.files.evicted"},
{BLOB_DB_FIFO_NUM_KEYS_EVICTED, "rocksdb.blobdb.fifo.num.keys.evicted"},
{BLOB_DB_FIFO_BYTES_EVICTED, "rocksdb.blobdb.fifo.bytes.evicted"},
{TXN_PREPARE_MUTEX_OVERHEAD, "rocksdb.txn.overhead.mutex.prepare"},
{TXN_OLD_COMMIT_MAP_MUTEX_OVERHEAD,
"rocksdb.txn.overhead.mutex.old.commit.map"},
{TXN_DUPLICATE_KEY_OVERHEAD, "rocksdb.txn.overhead.duplicate.key"},
{TXN_SNAPSHOT_MUTEX_OVERHEAD, "rocksdb.txn.overhead.mutex.snapshot"},
{TXN_GET_TRY_AGAIN, "rocksdb.txn.get.tryagain"},
{NUMBER_MULTIGET_KEYS_FOUND, "rocksdb.number.multiget.keys.found"},
{NO_ITERATOR_CREATED, "rocksdb.num.iterator.created"},
{NO_ITERATOR_DELETED, "rocksdb.num.iterator.deleted"},
{BLOCK_CACHE_COMPRESSION_DICT_MISS,
"rocksdb.block.cache.compression.dict.miss"},
{BLOCK_CACHE_COMPRESSION_DICT_HIT,
"rocksdb.block.cache.compression.dict.hit"},
{BLOCK_CACHE_COMPRESSION_DICT_ADD,
"rocksdb.block.cache.compression.dict.add"},
{BLOCK_CACHE_COMPRESSION_DICT_BYTES_INSERT,
"rocksdb.block.cache.compression.dict.bytes.insert"},
{BLOCK_CACHE_ADD_REDUNDANT, "rocksdb.block.cache.add.redundant"},
{BLOCK_CACHE_INDEX_ADD_REDUNDANT,
"rocksdb.block.cache.index.add.redundant"},
{BLOCK_CACHE_FILTER_ADD_REDUNDANT,
"rocksdb.block.cache.filter.add.redundant"},
{BLOCK_CACHE_DATA_ADD_REDUNDANT, "rocksdb.block.cache.data.add.redundant"},
{BLOCK_CACHE_COMPRESSION_DICT_ADD_REDUNDANT,
"rocksdb.block.cache.compression.dict.add.redundant"},
{FILES_MARKED_TRASH, "rocksdb.files.marked.trash"},
{FILES_DELETED_FROM_TRASH_QUEUE, "rocksdb.files.marked.trash.deleted"},
{FILES_DELETED_IMMEDIATELY, "rocksdb.files.deleted.immediately"},
{ERROR_HANDLER_BG_ERROR_COUNT, "rocksdb.error.handler.bg.error.count"},
{ERROR_HANDLER_BG_ERROR_COUNT_MISSPELLED,
"rocksdb.error.handler.bg.errro.count"},
{ERROR_HANDLER_BG_IO_ERROR_COUNT,
"rocksdb.error.handler.bg.io.error.count"},
{ERROR_HANDLER_BG_IO_ERROR_COUNT_MISSPELLED,
"rocksdb.error.handler.bg.io.errro.count"},
{ERROR_HANDLER_BG_RETRYABLE_IO_ERROR_COUNT,
"rocksdb.error.handler.bg.retryable.io.error.count"},
{ERROR_HANDLER_BG_RETRYABLE_IO_ERROR_COUNT_MISSPELLED,
"rocksdb.error.handler.bg.retryable.io.errro.count"},
{ERROR_HANDLER_AUTORESUME_COUNT, "rocksdb.error.handler.autoresume.count"},
{ERROR_HANDLER_AUTORESUME_RETRY_TOTAL_COUNT,
"rocksdb.error.handler.autoresume.retry.total.count"},
{ERROR_HANDLER_AUTORESUME_SUCCESS_COUNT,
"rocksdb.error.handler.autoresume.success.count"},
{MEMTABLE_PAYLOAD_BYTES_AT_FLUSH,
"rocksdb.memtable.payload.bytes.at.flush"},
{MEMTABLE_GARBAGE_BYTES_AT_FLUSH,
"rocksdb.memtable.garbage.bytes.at.flush"},
{SECONDARY_CACHE_HITS, "rocksdb.secondary.cache.hits"},
{VERIFY_CHECKSUM_READ_BYTES, "rocksdb.verify_checksum.read.bytes"},
{BACKUP_READ_BYTES, "rocksdb.backup.read.bytes"},
{BACKUP_WRITE_BYTES, "rocksdb.backup.write.bytes"},
{REMOTE_COMPACT_READ_BYTES, "rocksdb.remote.compact.read.bytes"},
{REMOTE_COMPACT_WRITE_BYTES, "rocksdb.remote.compact.write.bytes"},
{HOT_FILE_READ_BYTES, "rocksdb.hot.file.read.bytes"},
{WARM_FILE_READ_BYTES, "rocksdb.warm.file.read.bytes"},
{COLD_FILE_READ_BYTES, "rocksdb.cold.file.read.bytes"},
{HOT_FILE_READ_COUNT, "rocksdb.hot.file.read.count"},
{WARM_FILE_READ_COUNT, "rocksdb.warm.file.read.count"},
{COLD_FILE_READ_COUNT, "rocksdb.cold.file.read.count"},
{LAST_LEVEL_READ_BYTES, "rocksdb.last.level.read.bytes"},
{LAST_LEVEL_READ_COUNT, "rocksdb.last.level.read.count"},
{NON_LAST_LEVEL_READ_BYTES, "rocksdb.non.last.level.read.bytes"},
{NON_LAST_LEVEL_READ_COUNT, "rocksdb.non.last.level.read.count"},
{LAST_LEVEL_SEEK_FILTERED, "rocksdb.last.level.seek.filtered"},
{LAST_LEVEL_SEEK_FILTER_MATCH, "rocksdb.last.level.seek.filter.match"},
{LAST_LEVEL_SEEK_DATA, "rocksdb.last.level.seek.data"},
{LAST_LEVEL_SEEK_DATA_USEFUL_NO_FILTER,
"rocksdb.last.level.seek.data.useful.no.filter"},
{LAST_LEVEL_SEEK_DATA_USEFUL_FILTER_MATCH,
"rocksdb.last.level.seek.data.useful.filter.match"},
{NON_LAST_LEVEL_SEEK_FILTERED, "rocksdb.non.last.level.seek.filtered"},
{NON_LAST_LEVEL_SEEK_FILTER_MATCH,
"rocksdb.non.last.level.seek.filter.match"},
{NON_LAST_LEVEL_SEEK_DATA, "rocksdb.non.last.level.seek.data"},
{NON_LAST_LEVEL_SEEK_DATA_USEFUL_NO_FILTER,
"rocksdb.non.last.level.seek.data.useful.no.filter"},
{NON_LAST_LEVEL_SEEK_DATA_USEFUL_FILTER_MATCH,
"rocksdb.non.last.level.seek.data.useful.filter.match"},
{BLOCK_CHECKSUM_COMPUTE_COUNT, "rocksdb.block.checksum.compute.count"},
{BLOCK_CHECKSUM_MISMATCH_COUNT, "rocksdb.block.checksum.mismatch.count"},
{MULTIGET_COROUTINE_COUNT, "rocksdb.multiget.coroutine.count"},
{BLOB_DB_CACHE_MISS, "rocksdb.blobdb.cache.miss"},
{BLOB_DB_CACHE_HIT, "rocksdb.blobdb.cache.hit"},
{BLOB_DB_CACHE_ADD, "rocksdb.blobdb.cache.add"},
{BLOB_DB_CACHE_ADD_FAILURES, "rocksdb.blobdb.cache.add.failures"},
{BLOB_DB_CACHE_BYTES_READ, "rocksdb.blobdb.cache.bytes.read"},
{BLOB_DB_CACHE_BYTES_WRITE, "rocksdb.blobdb.cache.bytes.write"},
{READ_ASYNC_MICROS, "rocksdb.read.async.micros"},
{ASYNC_READ_ERROR_COUNT, "rocksdb.async.read.error.count"},
{SECONDARY_CACHE_FILTER_HITS, "rocksdb.secondary.cache.filter.hits"},
{SECONDARY_CACHE_INDEX_HITS, "rocksdb.secondary.cache.index.hits"},
{SECONDARY_CACHE_DATA_HITS, "rocksdb.secondary.cache.data.hits"},
{TABLE_OPEN_PREFETCH_TAIL_MISS, "rocksdb.table.open.prefetch.tail.miss"},
{TABLE_OPEN_PREFETCH_TAIL_HIT, "rocksdb.table.open.prefetch.tail.hit"},
{TIMESTAMP_FILTER_TABLE_CHECKED, "rocksdb.timestamp.filter.table.checked"},
{TIMESTAMP_FILTER_TABLE_FILTERED,
"rocksdb.timestamp.filter.table.filtered"},
{BYTES_COMPRESSED_FROM, "rocksdb.bytes.compressed.from"},
{BYTES_COMPRESSED_TO, "rocksdb.bytes.compressed.to"},
{BYTES_COMPRESSION_BYPASSED, "rocksdb.bytes.compression_bypassed"},
{BYTES_COMPRESSION_REJECTED, "rocksdb.bytes.compression.rejected"},
{NUMBER_BLOCK_COMPRESSION_BYPASSED,
"rocksdb.number.block_compression_bypassed"},
{NUMBER_BLOCK_COMPRESSION_REJECTED,
"rocksdb.number.block_compression_rejected"},
{BYTES_DECOMPRESSED_FROM, "rocksdb.bytes.decompressed.from"},
{BYTES_DECOMPRESSED_TO, "rocksdb.bytes.decompressed.to"},
{READAHEAD_TRIMMED, "rocksdb.readahead.trimmed"},
{FIFO_MAX_SIZE_COMPACTIONS, "rocksdb.fifo.max.size.compactions"},
{FIFO_TTL_COMPACTIONS, "rocksdb.fifo.ttl.compactions"},
{PREFETCH_BYTES, "rocksdb.prefetch.bytes"},
{PREFETCH_BYTES_USEFUL, "rocksdb.prefetch.bytes.useful"},
{PREFETCH_HITS, "rocksdb.prefetch.hits"},
{COMPRESSED_SECONDARY_CACHE_DUMMY_HITS,
"rocksdb.compressed.secondary.cache.dummy.hits"},
{COMPRESSED_SECONDARY_CACHE_HITS,
"rocksdb.compressed.secondary.cache.hits"},
{COMPRESSED_SECONDARY_CACHE_PROMOTIONS,
"rocksdb.compressed.secondary.cache.promotions"},
{COMPRESSED_SECONDARY_CACHE_PROMOTION_SKIPS,
"rocksdb.compressed.secondary.cache.promotion.skips"},
};
const std::vector<std::pair<Histograms, std::string>> HistogramsNameMap = {
{DB_GET, "rocksdb.db.get.micros"},
{DB_WRITE, "rocksdb.db.write.micros"},
{COMPACTION_TIME, "rocksdb.compaction.times.micros"},
{COMPACTION_CPU_TIME, "rocksdb.compaction.times.cpu_micros"},
{SUBCOMPACTION_SETUP_TIME, "rocksdb.subcompaction.setup.times.micros"},
{TABLE_SYNC_MICROS, "rocksdb.table.sync.micros"},
{COMPACTION_OUTFILE_SYNC_MICROS, "rocksdb.compaction.outfile.sync.micros"},
{WAL_FILE_SYNC_MICROS, "rocksdb.wal.file.sync.micros"},
{MANIFEST_FILE_SYNC_MICROS, "rocksdb.manifest.file.sync.micros"},
{TABLE_OPEN_IO_MICROS, "rocksdb.table.open.io.micros"},
{DB_MULTIGET, "rocksdb.db.multiget.micros"},
{READ_BLOCK_COMPACTION_MICROS, "rocksdb.read.block.compaction.micros"},
{READ_BLOCK_GET_MICROS, "rocksdb.read.block.get.micros"},
{WRITE_RAW_BLOCK_MICROS, "rocksdb.write.raw.block.micros"},
{NUM_FILES_IN_SINGLE_COMPACTION, "rocksdb.numfiles.in.singlecompaction"},
{DB_SEEK, "rocksdb.db.seek.micros"},
{WRITE_STALL, "rocksdb.db.write.stall"},
{SST_READ_MICROS, "rocksdb.sst.read.micros"},
{FILE_READ_FLUSH_MICROS, "rocksdb.file.read.flush.micros"},
{FILE_READ_COMPACTION_MICROS, "rocksdb.file.read.compaction.micros"},
{FILE_READ_DB_OPEN_MICROS, "rocksdb.file.read.db.open.micros"},
{FILE_READ_GET_MICROS, "rocksdb.file.read.get.micros"},
{FILE_READ_MULTIGET_MICROS, "rocksdb.file.read.multiget.micros"},
{FILE_READ_DB_ITERATOR_MICROS, "rocksdb.file.read.db.iterator.micros"},
{FILE_READ_VERIFY_DB_CHECKSUM_MICROS,
"rocksdb.file.read.verify.db.checksum.micros"},
{FILE_READ_VERIFY_FILE_CHECKSUMS_MICROS,
"rocksdb.file.read.verify.file.checksums.micros"},
{SST_WRITE_MICROS, "rocksdb.sst.write.micros"},
{FILE_WRITE_FLUSH_MICROS, "rocksdb.file.write.flush.micros"},
{FILE_WRITE_COMPACTION_MICROS, "rocksdb.file.write.compaction.micros"},
{FILE_WRITE_DB_OPEN_MICROS, "rocksdb.file.write.db.open.micros"},
{NUM_SUBCOMPACTIONS_SCHEDULED, "rocksdb.num.subcompactions.scheduled"},
{BYTES_PER_READ, "rocksdb.bytes.per.read"},
{BYTES_PER_WRITE, "rocksdb.bytes.per.write"},
{BYTES_PER_MULTIGET, "rocksdb.bytes.per.multiget"},
{BYTES_COMPRESSED, "rocksdb.bytes.compressed"},
{BYTES_DECOMPRESSED, "rocksdb.bytes.decompressed"},
{COMPRESSION_TIMES_NANOS, "rocksdb.compression.times.nanos"},
{DECOMPRESSION_TIMES_NANOS, "rocksdb.decompression.times.nanos"},
{READ_NUM_MERGE_OPERANDS, "rocksdb.read.num.merge_operands"},
{BLOB_DB_KEY_SIZE, "rocksdb.blobdb.key.size"},
{BLOB_DB_VALUE_SIZE, "rocksdb.blobdb.value.size"},
{BLOB_DB_WRITE_MICROS, "rocksdb.blobdb.write.micros"},
{BLOB_DB_GET_MICROS, "rocksdb.blobdb.get.micros"},
{BLOB_DB_MULTIGET_MICROS, "rocksdb.blobdb.multiget.micros"},
{BLOB_DB_SEEK_MICROS, "rocksdb.blobdb.seek.micros"},
{BLOB_DB_NEXT_MICROS, "rocksdb.blobdb.next.micros"},
{BLOB_DB_PREV_MICROS, "rocksdb.blobdb.prev.micros"},
{BLOB_DB_BLOB_FILE_WRITE_MICROS, "rocksdb.blobdb.blob.file.write.micros"},
{BLOB_DB_BLOB_FILE_READ_MICROS, "rocksdb.blobdb.blob.file.read.micros"},
{BLOB_DB_BLOB_FILE_SYNC_MICROS, "rocksdb.blobdb.blob.file.sync.micros"},
{BLOB_DB_COMPRESSION_MICROS, "rocksdb.blobdb.compression.micros"},
{BLOB_DB_DECOMPRESSION_MICROS, "rocksdb.blobdb.decompression.micros"},
{FLUSH_TIME, "rocksdb.db.flush.micros"},
{SST_BATCH_SIZE, "rocksdb.sst.batch.size"},
{NUM_INDEX_AND_FILTER_BLOCKS_READ_PER_LEVEL,
"rocksdb.num.index.and.filter.blocks.read.per.level"},
{NUM_SST_READ_PER_LEVEL, "rocksdb.num.sst.read.per.level"},
{ERROR_HANDLER_AUTORESUME_RETRY_COUNT,
"rocksdb.error.handler.autoresume.retry.count"},
{ASYNC_READ_BYTES, "rocksdb.async.read.bytes"},
{POLL_WAIT_MICROS, "rocksdb.poll.wait.micros"},
{PREFETCHED_BYTES_DISCARDED, "rocksdb.prefetched.bytes.discarded"},
{MULTIGET_IO_BATCH_SIZE, "rocksdb.multiget.io.batch.size"},
{NUM_LEVEL_READ_PER_MULTIGET, "rocksdb.num.level.read.per.multiget"},
{ASYNC_PREFETCH_ABORT_MICROS, "rocksdb.async.prefetch.abort.micros"},
{TABLE_OPEN_PREFETCH_TAIL_READ_BYTES,
"rocksdb.table.open.prefetch.tail.read.bytes"},
};
std::shared_ptr<Statistics> CreateDBStatistics() {
return std::make_shared<StatisticsImpl>(nullptr);
}
static int RegisterBuiltinStatistics(ObjectLibrary& library,
const std::string& /*arg*/) {
library.AddFactory<Statistics>(
StatisticsImpl::kClassName(),
[](const std::string& /*uri*/, std::unique_ptr<Statistics>* guard,
std::string* /* errmsg */) {
guard->reset(new StatisticsImpl(nullptr));
return guard->get();
});
return 1;
}
Status Statistics::CreateFromString(const ConfigOptions& config_options,
const std::string& id,
std::shared_ptr<Statistics>* result) {
static std::once_flag once;
std::call_once(once, [&]() {
RegisterBuiltinStatistics(*(ObjectLibrary::Default().get()), "");
});
Status s;
if (id == "" || id == StatisticsImpl::kClassName()) {
result->reset(new StatisticsImpl(nullptr));
} else if (id == kNullptrString) {
result->reset();
} else {
s = LoadSharedObject<Statistics>(config_options, id, result);
}
return s;
}
static std::unordered_map<std::string, OptionTypeInfo> stats_type_info = {
{"inner", OptionTypeInfo::AsCustomSharedPtr<Statistics>(
0, OptionVerificationType::kByNameAllowFromNull,
OptionTypeFlags::kCompareNever)},
};
StatisticsImpl::StatisticsImpl(std::shared_ptr<Statistics> stats)
: stats_(std::move(stats)) {
RegisterOptions("StatisticsOptions", &stats_, &stats_type_info);
}
StatisticsImpl::~StatisticsImpl() = default;
uint64_t StatisticsImpl::getTickerCount(uint32_t tickerType) const {
MutexLock lock(&aggregate_lock_);
return getTickerCountLocked(tickerType);
}
uint64_t StatisticsImpl::getTickerCountLocked(uint32_t tickerType) const {
assert(tickerType < TICKER_ENUM_MAX);
uint64_t res = 0;
for (size_t core_idx = 0; core_idx < per_core_stats_.Size(); ++core_idx) {
res += per_core_stats_.AccessAtCore(core_idx)->tickers_[tickerType];
}
return res;
}
void StatisticsImpl::histogramData(uint32_t histogramType,
HistogramData* const data) const {
MutexLock lock(&aggregate_lock_);
getHistogramImplLocked(histogramType)->Data(data);
}
std::unique_ptr<HistogramImpl> StatisticsImpl::getHistogramImplLocked(
uint32_t histogramType) const {
assert(histogramType < HISTOGRAM_ENUM_MAX);
std::unique_ptr<HistogramImpl> res_hist(new HistogramImpl());
for (size_t core_idx = 0; core_idx < per_core_stats_.Size(); ++core_idx) {
res_hist->Merge(
per_core_stats_.AccessAtCore(core_idx)->histograms_[histogramType]);
}
return res_hist;
}
std::string StatisticsImpl::getHistogramString(uint32_t histogramType) const {
MutexLock lock(&aggregate_lock_);
return getHistogramImplLocked(histogramType)->ToString();
}
void StatisticsImpl::setTickerCount(uint32_t tickerType, uint64_t count) {
{
MutexLock lock(&aggregate_lock_);
setTickerCountLocked(tickerType, count);
}
if (stats_ && tickerType < TICKER_ENUM_MAX) {
stats_->setTickerCount(tickerType, count);
}
}
void StatisticsImpl::setTickerCountLocked(uint32_t tickerType, uint64_t count) {
assert(tickerType < TICKER_ENUM_MAX);
for (size_t core_idx = 0; core_idx < per_core_stats_.Size(); ++core_idx) {
if (core_idx == 0) {
per_core_stats_.AccessAtCore(core_idx)->tickers_[tickerType] = count;
} else {
per_core_stats_.AccessAtCore(core_idx)->tickers_[tickerType] = 0;
}
}
}
uint64_t StatisticsImpl::getAndResetTickerCount(uint32_t tickerType) {
uint64_t sum = 0;
{
MutexLock lock(&aggregate_lock_);
assert(tickerType < TICKER_ENUM_MAX);
for (size_t core_idx = 0; core_idx < per_core_stats_.Size(); ++core_idx) {
sum +=
per_core_stats_.AccessAtCore(core_idx)->tickers_[tickerType].exchange(
0, std::memory_order_relaxed);
}
}
if (stats_ && tickerType < TICKER_ENUM_MAX) {
stats_->setTickerCount(tickerType, 0);
}
return sum;
}
void StatisticsImpl::recordTick(uint32_t tickerType, uint64_t count) {
if (get_stats_level() <= StatsLevel::kExceptTickers) {
return;
}
if (tickerType < TICKER_ENUM_MAX) {
per_core_stats_.Access()->tickers_[tickerType].fetch_add(
count, std::memory_order_relaxed);
if (stats_) {
stats_->recordTick(tickerType, count);
}
} else {
assert(false);
}
}
void StatisticsImpl::recordInHistogram(uint32_t histogramType, uint64_t value) {
assert(histogramType < HISTOGRAM_ENUM_MAX);
if (get_stats_level() <= StatsLevel::kExceptHistogramOrTimers) {
return;
}
per_core_stats_.Access()->histograms_[histogramType].Add(value);
if (stats_ && histogramType < HISTOGRAM_ENUM_MAX) {
stats_->recordInHistogram(histogramType, value);
}
}
Status StatisticsImpl::Reset() {
MutexLock lock(&aggregate_lock_);
for (uint32_t i = 0; i < TICKER_ENUM_MAX; ++i) {
setTickerCountLocked(i, 0);
}
for (uint32_t i = 0; i < HISTOGRAM_ENUM_MAX; ++i) {
for (size_t core_idx = 0; core_idx < per_core_stats_.Size(); ++core_idx) {
per_core_stats_.AccessAtCore(core_idx)->histograms_[i].Clear();
}
}
return Status::OK();
}
namespace {
// a buffer size used for temp string buffers
const int kTmpStrBufferSize = 200;
} // namespace
std::string StatisticsImpl::ToString() const {
MutexLock lock(&aggregate_lock_);
std::string res;
res.reserve(20000);
for (const auto& t : TickersNameMap) {
assert(t.first < TICKER_ENUM_MAX);
char buffer[kTmpStrBufferSize];
snprintf(buffer, kTmpStrBufferSize, "%s COUNT : %" PRIu64 "\n",
t.second.c_str(), getTickerCountLocked(t.first));
res.append(buffer);
}
for (const auto& h : HistogramsNameMap) {
assert(h.first < HISTOGRAM_ENUM_MAX);
char buffer[kTmpStrBufferSize];
HistogramData hData;
getHistogramImplLocked(h.first)->Data(&hData);
// don't handle failures - buffer should always be big enough and arguments
// should be provided correctly
int ret =
snprintf(buffer, kTmpStrBufferSize,
"%s P50 : %f P95 : %f P99 : %f P100 : %f COUNT : %" PRIu64
" SUM : %" PRIu64 "\n",
h.second.c_str(), hData.median, hData.percentile95,
hData.percentile99, hData.max, hData.count, hData.sum);
if (ret < 0 || ret >= kTmpStrBufferSize) {
assert(false);
continue;
}
res.append(buffer);
}
res.shrink_to_fit();
return res;
}
bool StatisticsImpl::getTickerMap(
std::map<std::string, uint64_t>* stats_map) const {
assert(stats_map);
if (!stats_map) {
return false;
}
stats_map->clear();
MutexLock lock(&aggregate_lock_);
for (const auto& t : TickersNameMap) {
assert(t.first < TICKER_ENUM_MAX);
(*stats_map)[t.second.c_str()] = getTickerCountLocked(t.first);
}
return true;
}
bool StatisticsImpl::HistEnabledForType(uint32_t type) const {
return type < HISTOGRAM_ENUM_MAX;
}
} // namespace ROCKSDB_NAMESPACE
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