2014-01-30 05:40:41 +01:00
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#include "db/internal_stats.h"
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2014-07-14 15:56:52 +02:00
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#define __STDC_FORMAT_MACROS
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#include <inttypes.h>
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2014-01-30 05:40:41 +01:00
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#include <vector>
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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#include "db/column_family.h"
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2014-08-27 01:26:29 +02:00
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#include "db/db_impl.h"
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2014-01-30 05:40:41 +01:00
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namespace rocksdb {
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2014-07-12 00:03:30 +02:00
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namespace {
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const double kMB = 1048576.0;
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const double kGB = kMB * 1024;
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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void PrintLevelStatsHeader(char* buf, size_t len, const std::string& cf_name) {
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2014-07-12 00:03:30 +02:00
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snprintf(
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buf, len,
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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"\n** Compaction Stats [%s] **\n"
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"Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) "
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2014-07-14 18:06:38 +02:00
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"Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) "
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2014-07-12 00:03:30 +02:00
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"Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) "
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"Stall(sec) Stall(cnt) Avg(ms)\n"
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"--------------------------------------------------------------------"
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"--------------------------------------------------------------------"
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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"--------------------------------------------------------------------\n",
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cf_name.c_str());
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2014-07-12 00:03:30 +02:00
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}
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void PrintLevelStats(char* buf, size_t len, const std::string& name,
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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int num_files, int being_compacted, double total_file_size, double score,
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double rw_amp, double w_amp, double stall_us, uint64_t stalls,
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2014-07-12 00:03:30 +02:00
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const InternalStats::CompactionStats& stats) {
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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uint64_t bytes_read = stats.bytes_readn + stats.bytes_readnp1;
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uint64_t bytes_new = stats.bytes_written - stats.bytes_readnp1;
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2014-07-12 00:03:30 +02:00
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double elapsed = (stats.micros + 1) / 1000000.0;
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snprintf(buf, len,
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
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"%4s %5d/%-3d %8.0f %5.1f " /* Level, Files, Size(MB), Score */
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2014-07-12 00:03:30 +02:00
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"%8.1f " /* Read(GB) */
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"%7.1f " /* Rn(GB) */
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"%8.1f " /* Rnp1(GB) */
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"%9.1f " /* Write(GB) */
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"%8.1f " /* Wnew(GB) */
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"%6.1f " /* RW-Amp */
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"%5.1f " /* W-Amp */
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"%8.1f " /* Rd(MB/s) */
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"%8.1f " /* Wr(MB/s) */
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"%8d " /* Rn(cnt) */
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"%9d " /* Rnp1(cnt) */
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"%9d " /* Wnp1(cnt) */
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"%9d " /* Wnew(cnt) */
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"%10.0f " /* Comp(sec) */
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"%9d " /* Comp(cnt) */
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"%8.3f " /* Avg(sec) */
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make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
"%10.2f " /* Stall(sec) */
|
|
|
|
"%10" PRIu64 " " /* Stall(cnt) */
|
2014-07-12 00:03:30 +02:00
|
|
|
"%7.2f\n" /* Avg(ms) */,
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
name.c_str(), num_files, being_compacted, total_file_size / kMB, score,
|
2014-07-12 00:03:30 +02:00
|
|
|
bytes_read / kGB,
|
|
|
|
stats.bytes_readn / kGB,
|
|
|
|
stats.bytes_readnp1 / kGB,
|
|
|
|
stats.bytes_written / kGB,
|
|
|
|
bytes_new / kGB,
|
|
|
|
rw_amp,
|
|
|
|
w_amp,
|
|
|
|
bytes_read / kMB / elapsed,
|
|
|
|
stats.bytes_written / kMB / elapsed,
|
|
|
|
stats.files_in_leveln,
|
|
|
|
stats.files_in_levelnp1,
|
|
|
|
stats.files_out_levelnp1,
|
|
|
|
stats.files_out_levelnp1 - stats.files_in_levelnp1,
|
|
|
|
stats.micros / 1000000.0,
|
|
|
|
stats.count,
|
|
|
|
stats.count == 0 ? 0 : stats.micros / 1000000.0 / stats.count,
|
|
|
|
stall_us / 1000000.0,
|
|
|
|
stalls,
|
|
|
|
stalls == 0 ? 0 : stall_us / 1000.0 / stalls);
|
|
|
|
}
|
|
|
|
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
|
2014-07-12 00:03:30 +02:00
|
|
|
}
|
|
|
|
|
2014-08-05 20:27:34 +02:00
|
|
|
DBPropertyType GetPropertyType(const Slice& property, bool* is_int_property,
|
|
|
|
bool* need_out_of_mutex) {
|
|
|
|
assert(is_int_property != nullptr);
|
|
|
|
assert(need_out_of_mutex != nullptr);
|
2014-01-30 05:40:41 +01:00
|
|
|
Slice in = property;
|
|
|
|
Slice prefix("rocksdb.");
|
2014-08-05 20:27:34 +02:00
|
|
|
*need_out_of_mutex = false;
|
2014-08-07 02:37:35 +02:00
|
|
|
*is_int_property = false;
|
2014-08-07 02:46:26 +02:00
|
|
|
if (!in.starts_with(prefix)) {
|
|
|
|
return kUnknown;
|
|
|
|
}
|
2014-01-30 05:40:41 +01:00
|
|
|
in.remove_prefix(prefix.size());
|
|
|
|
|
|
|
|
if (in.starts_with("num-files-at-level")) {
|
2014-03-18 20:37:42 +01:00
|
|
|
return kNumFilesAtLevel;
|
2014-01-30 05:40:41 +01:00
|
|
|
} else if (in == "levelstats") {
|
2014-03-18 20:37:42 +01:00
|
|
|
return kLevelStats;
|
2014-01-30 05:40:41 +01:00
|
|
|
} else if (in == "stats") {
|
2014-03-18 20:37:42 +01:00
|
|
|
return kStats;
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
} else if (in == "cfstats") {
|
|
|
|
return kCFStats;
|
|
|
|
} else if (in == "dbstats") {
|
|
|
|
return kDBStats;
|
2014-03-18 20:37:42 +01:00
|
|
|
} else if (in == "sstables") {
|
|
|
|
return kSsTables;
|
2014-08-05 20:27:34 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
*is_int_property = true;
|
|
|
|
if (in == "num-immutable-mem-table") {
|
2014-03-18 20:37:42 +01:00
|
|
|
return kNumImmutableMemTable;
|
|
|
|
} else if (in == "mem-table-flush-pending") {
|
2014-03-18 20:25:08 +01:00
|
|
|
return kMemtableFlushPending;
|
2014-03-18 20:37:42 +01:00
|
|
|
} else if (in == "compaction-pending") {
|
2014-03-18 20:25:08 +01:00
|
|
|
return kCompactionPending;
|
|
|
|
} else if (in == "background-errors") {
|
|
|
|
return kBackgroundErrors;
|
2014-03-27 19:59:37 +01:00
|
|
|
} else if (in == "cur-size-active-mem-table") {
|
|
|
|
return kCurSizeActiveMemTable;
|
2014-04-23 02:17:33 +02:00
|
|
|
} else if (in == "num-entries-active-mem-table") {
|
|
|
|
return kNumEntriesInMutableMemtable;
|
|
|
|
} else if (in == "num-entries-imm-mem-tables") {
|
|
|
|
return kNumEntriesInImmutableMemtable;
|
2014-07-28 23:50:16 +02:00
|
|
|
} else if (in == "estimate-num-keys") {
|
|
|
|
return kEstimatedNumKeys;
|
2014-08-05 20:27:34 +02:00
|
|
|
} else if (in == "estimate-table-readers-mem") {
|
|
|
|
*need_out_of_mutex = true;
|
|
|
|
return kEstimatedUsageByTableReaders;
|
2014-08-27 01:26:29 +02:00
|
|
|
} else if (in == "is-file-deletions-enabled") {
|
|
|
|
return kIsFileDeletionEnabled;
|
2014-03-18 20:37:42 +01:00
|
|
|
}
|
|
|
|
return kUnknown;
|
|
|
|
}
|
|
|
|
|
2014-08-05 20:27:34 +02:00
|
|
|
bool InternalStats::GetIntPropertyOutOfMutex(DBPropertyType property_type,
|
|
|
|
Version* version,
|
|
|
|
uint64_t* value) const {
|
|
|
|
assert(value != nullptr);
|
|
|
|
if (property_type != kEstimatedUsageByTableReaders) {
|
|
|
|
return false;
|
2014-07-29 00:28:53 +02:00
|
|
|
}
|
2014-08-05 20:27:34 +02:00
|
|
|
if (version == nullptr) {
|
|
|
|
*value = 0;
|
|
|
|
} else {
|
|
|
|
*value = version->GetMemoryUsageByTableReaders();
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
2014-07-29 00:28:53 +02:00
|
|
|
|
2014-08-05 20:27:34 +02:00
|
|
|
bool InternalStats::GetStringProperty(DBPropertyType property_type,
|
|
|
|
const Slice& property,
|
|
|
|
std::string* value) {
|
|
|
|
assert(value != nullptr);
|
2014-07-28 21:27:08 +02:00
|
|
|
Version* current = cfd_->current();
|
2014-03-18 20:37:42 +01:00
|
|
|
Slice in = property;
|
|
|
|
|
|
|
|
switch (property_type) {
|
|
|
|
case kNumFilesAtLevel: {
|
|
|
|
in.remove_prefix(strlen("rocksdb.num-files-at-level"));
|
|
|
|
uint64_t level;
|
|
|
|
bool ok = ConsumeDecimalNumber(&in, &level) && in.empty();
|
|
|
|
if (!ok || (int)level >= number_levels_) {
|
|
|
|
return false;
|
|
|
|
} else {
|
|
|
|
char buf[100];
|
|
|
|
snprintf(buf, sizeof(buf), "%d",
|
|
|
|
current->NumLevelFiles(static_cast<int>(level)));
|
|
|
|
*value = buf;
|
|
|
|
return true;
|
|
|
|
}
|
2014-01-30 05:40:41 +01:00
|
|
|
}
|
2014-03-18 20:37:42 +01:00
|
|
|
case kLevelStats: {
|
|
|
|
char buf[1000];
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Level Files Size(MB)\n"
|
|
|
|
"--------------------\n");
|
|
|
|
value->append(buf);
|
2014-01-30 05:40:41 +01:00
|
|
|
|
2014-03-18 20:37:42 +01:00
|
|
|
for (int level = 0; level < number_levels_; level++) {
|
|
|
|
snprintf(buf, sizeof(buf), "%3d %8d %8.0f\n", level,
|
|
|
|
current->NumLevelFiles(level),
|
2014-07-12 00:03:30 +02:00
|
|
|
current->NumLevelBytes(level) / kMB);
|
2014-01-30 05:40:41 +01:00
|
|
|
value->append(buf);
|
|
|
|
}
|
2014-03-18 20:37:42 +01:00
|
|
|
return true;
|
2014-01-30 05:40:41 +01:00
|
|
|
}
|
2014-03-18 20:37:42 +01:00
|
|
|
case kStats: {
|
2014-08-05 20:27:34 +02:00
|
|
|
if (!GetStringProperty(kCFStats, "rocksdb.cfstats", value)) {
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
return false;
|
2014-03-18 20:37:42 +01:00
|
|
|
}
|
2014-08-05 20:27:34 +02:00
|
|
|
if (!GetStringProperty(kDBStats, "rocksdb.dbstats", value)) {
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
return false;
|
2014-07-12 00:03:30 +02:00
|
|
|
}
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
case kCFStats: {
|
2014-07-28 21:27:08 +02:00
|
|
|
DumpCFStats(value);
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
case kDBStats: {
|
|
|
|
DumpDBStats(value);
|
2014-03-18 20:37:42 +01:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
case kSsTables:
|
|
|
|
*value = current->DebugString();
|
|
|
|
return true;
|
2014-07-29 00:28:53 +02:00
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bool InternalStats::GetIntProperty(DBPropertyType property_type,
|
2014-08-27 01:26:29 +02:00
|
|
|
uint64_t* value, DBImpl* db) const {
|
2014-07-29 00:28:53 +02:00
|
|
|
Version* current = cfd_->current();
|
|
|
|
|
|
|
|
switch (property_type) {
|
2014-03-18 20:37:42 +01:00
|
|
|
case kNumImmutableMemTable:
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = cfd_->imm()->size();
|
2014-03-18 20:37:42 +01:00
|
|
|
return true;
|
2014-03-18 20:25:08 +01:00
|
|
|
case kMemtableFlushPending:
|
2014-03-18 20:37:42 +01:00
|
|
|
// Return number of mem tables that are ready to flush (made immutable)
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = (cfd_->imm()->IsFlushPending() ? 1 : 0);
|
2014-03-18 20:37:42 +01:00
|
|
|
return true;
|
2014-03-18 20:25:08 +01:00
|
|
|
case kCompactionPending:
|
2014-03-18 20:37:42 +01:00
|
|
|
// 1 if the system already determines at least one compacdtion is needed.
|
|
|
|
// 0 otherwise,
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = (current->NeedsCompaction() ? 1 : 0);
|
2014-03-18 20:37:42 +01:00
|
|
|
return true;
|
2014-03-18 20:25:08 +01:00
|
|
|
case kBackgroundErrors:
|
|
|
|
// Accumulated number of errors in background flushes or compactions.
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = GetBackgroundErrorCount();
|
2014-03-18 20:25:08 +01:00
|
|
|
return true;
|
2014-03-27 19:59:37 +01:00
|
|
|
case kCurSizeActiveMemTable:
|
|
|
|
// Current size of the active memtable
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = cfd_->mem()->ApproximateMemoryUsage();
|
2014-03-27 19:59:37 +01:00
|
|
|
return true;
|
2014-04-23 02:17:33 +02:00
|
|
|
case kNumEntriesInMutableMemtable:
|
|
|
|
// Current size of the active memtable
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = cfd_->mem()->GetNumEntries();
|
2014-04-23 02:17:33 +02:00
|
|
|
return true;
|
|
|
|
case kNumEntriesInImmutableMemtable:
|
|
|
|
// Current size of the active memtable
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = cfd_->imm()->current()->GetTotalNumEntries();
|
2014-04-23 02:17:33 +02:00
|
|
|
return true;
|
2014-07-28 23:50:16 +02:00
|
|
|
case kEstimatedNumKeys:
|
|
|
|
// Estimate number of entries in the column family:
|
|
|
|
// Use estimated entries in tables + total entries in memtables.
|
2014-07-29 00:28:53 +02:00
|
|
|
*value = cfd_->mem()->GetNumEntries() +
|
|
|
|
cfd_->imm()->current()->GetTotalNumEntries() +
|
|
|
|
current->GetEstimatedActiveKeys();
|
2014-07-28 23:50:16 +02:00
|
|
|
return true;
|
2014-09-02 19:50:15 +02:00
|
|
|
#ifndef ROCKSDB_LITE
|
2014-08-27 01:26:29 +02:00
|
|
|
case kIsFileDeletionEnabled:
|
|
|
|
*value = db->IsFileDeletionsEnabled();
|
|
|
|
return true;
|
2014-09-02 19:50:15 +02:00
|
|
|
#endif
|
2014-03-18 20:37:42 +01:00
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
2014-01-30 05:40:41 +01:00
|
|
|
}
|
|
|
|
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
void InternalStats::DumpDBStats(std::string* value) {
|
|
|
|
char buf[1000];
|
|
|
|
// DB-level stats, only available from default column family
|
|
|
|
double seconds_up = (env_->NowMicros() - started_at_ + 1) / 1000000.0;
|
|
|
|
double interval_seconds_up = seconds_up - db_stats_snapshot_.seconds_up;
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"\n** DB Stats **\nUptime(secs): %.1f total, %.1f interval\n",
|
|
|
|
seconds_up, interval_seconds_up);
|
|
|
|
value->append(buf);
|
|
|
|
// Cumulative
|
|
|
|
uint64_t user_bytes_written = db_stats_[InternalStats::BYTES_WRITTEN];
|
|
|
|
uint64_t write_other = db_stats_[InternalStats::WRITE_DONE_BY_OTHER];
|
|
|
|
uint64_t write_self = db_stats_[InternalStats::WRITE_DONE_BY_SELF];
|
|
|
|
uint64_t wal_bytes = db_stats_[InternalStats::WAL_FILE_BYTES];
|
|
|
|
uint64_t wal_synced = db_stats_[InternalStats::WAL_FILE_SYNCED];
|
|
|
|
uint64_t write_with_wal = db_stats_[InternalStats::WRITE_WITH_WAL];
|
|
|
|
// Data
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Cumulative writes: %" PRIu64 " writes, %" PRIu64 " batches, "
|
|
|
|
"%.1f writes per batch, %.2f GB user ingest\n",
|
|
|
|
write_other + write_self, write_self,
|
|
|
|
(write_other + write_self) / static_cast<double>(write_self + 1),
|
|
|
|
user_bytes_written / kGB);
|
|
|
|
value->append(buf);
|
|
|
|
// WAL
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Cumulative WAL: %" PRIu64 " writes, %" PRIu64 " syncs, "
|
|
|
|
"%.2f writes per sync, %.2f GB written\n",
|
|
|
|
write_with_wal, wal_synced,
|
|
|
|
write_with_wal / static_cast<double>(wal_synced + 1),
|
|
|
|
wal_bytes / kGB);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
// Interval
|
|
|
|
uint64_t interval_write_other = write_other - db_stats_snapshot_.write_other;
|
|
|
|
uint64_t interval_write_self = write_self - db_stats_snapshot_.write_self;
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Interval writes: %" PRIu64 " writes, %" PRIu64 " batches, "
|
|
|
|
"%.1f writes per batch, %.1f MB user ingest\n",
|
|
|
|
interval_write_other + interval_write_self,
|
|
|
|
interval_write_self,
|
|
|
|
static_cast<double>(interval_write_other + interval_write_self) /
|
|
|
|
(interval_write_self + 1),
|
|
|
|
(user_bytes_written - db_stats_snapshot_.ingest_bytes) / kMB);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
uint64_t interval_write_with_wal =
|
|
|
|
write_with_wal - db_stats_snapshot_.write_with_wal;
|
|
|
|
uint64_t interval_wal_synced = wal_synced - db_stats_snapshot_.wal_synced;
|
|
|
|
uint64_t interval_wal_bytes = wal_bytes - db_stats_snapshot_.wal_bytes;
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Interval WAL: %" PRIu64 " writes, %" PRIu64 " syncs, "
|
|
|
|
"%.2f writes per sync, %.2f MB written\n",
|
|
|
|
interval_write_with_wal,
|
|
|
|
interval_wal_synced,
|
|
|
|
interval_write_with_wal /
|
|
|
|
static_cast<double>(interval_wal_synced + 1),
|
|
|
|
interval_wal_bytes / kGB);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
db_stats_snapshot_.seconds_up = seconds_up;
|
|
|
|
db_stats_snapshot_.ingest_bytes = user_bytes_written;
|
|
|
|
db_stats_snapshot_.write_other = write_other;
|
|
|
|
db_stats_snapshot_.write_self = write_self;
|
|
|
|
db_stats_snapshot_.wal_bytes = wal_bytes;
|
|
|
|
db_stats_snapshot_.wal_synced = wal_synced;
|
|
|
|
db_stats_snapshot_.write_with_wal = write_with_wal;
|
|
|
|
}
|
|
|
|
|
2014-07-28 21:27:08 +02:00
|
|
|
void InternalStats::DumpCFStats(std::string* value) {
|
|
|
|
Version* current = cfd_->current();
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
|
|
|
|
int num_levels_to_check =
|
2014-07-28 21:27:08 +02:00
|
|
|
(cfd_->options()->compaction_style != kCompactionStyleUniversal &&
|
|
|
|
cfd_->options()->compaction_style != kCompactionStyleFIFO)
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
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|
? current->NumberLevels() - 1
|
|
|
|
: 1;
|
|
|
|
// Compaction scores are sorted base on its value. Restore them to the
|
|
|
|
// level order
|
|
|
|
std::vector<double> compaction_score(number_levels_, 0);
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|
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|
for (int i = 0; i < num_levels_to_check; ++i) {
|
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|
compaction_score[current->compaction_level_[i]] =
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|
|
current->compaction_score_[i];
|
|
|
|
}
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|
|
|
// Count # of files being compacted for each level
|
|
|
|
std::vector<int> files_being_compacted(number_levels_, 0);
|
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|
|
for (int level = 0; level < num_levels_to_check; ++level) {
|
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for (auto* f : current->files_[level]) {
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if (f->being_compacted) {
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++files_being_compacted[level];
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|
}
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}
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}
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char buf[1000];
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|
|
// Per-ColumnFamily stats
|
2014-07-28 21:27:08 +02:00
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|
PrintLevelStatsHeader(buf, sizeof(buf), cfd_->GetName());
|
make internal stats independent of statistics
Summary:
also make it aware of column family
output from db_bench
```
** Compaction Stats [default] **
Level Files Size(MB) Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) RW-Amp W-Amp Rd(MB/s) Wr(MB/s) Rn(cnt) Rnp1(cnt) Wnp1(cnt) Wnew(cnt) Comp(sec) Comp(cnt) Avg(sec) Stall(sec) Stall(cnt) Avg(ms)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 14 956 0.9 0.0 0.0 0.0 2.7 2.7 0.0 0.0 0.0 111.6 0 0 0 0 24 40 0.612 75.20 492387 0.15
L1 21 2001 2.0 5.7 2.0 3.7 5.3 1.6 5.4 2.6 71.2 65.7 31 43 55 12 82 2 41.242 43.72 41183 1.06
L2 217 18974 1.9 16.5 2.0 14.4 15.1 0.7 15.6 7.4 70.1 64.3 17 182 185 3 241 16 15.052 0.00 0 0.00
L3 1641 188245 1.8 9.1 1.1 8.0 8.5 0.5 15.4 7.4 61.3 57.2 9 75 76 1 152 9 16.887 0.00 0 0.00
L4 4447 449025 0.4 13.4 4.8 8.6 9.1 0.5 4.7 1.9 77.8 52.7 38 79 100 21 176 38 4.639 0.00 0 0.00
Sum 6340 659201 0.0 44.7 10.0 34.7 40.6 6.0 32.0 15.2 67.7 61.6 95 379 416 37 676 105 6.439 118.91 533570 0.22
Int 0 0 0.0 1.2 0.4 0.8 1.3 0.5 5.2 2.7 59.1 65.6 3 7 9 2 20 10 2.003 0.00 0 0.00
Stalls(secs): 75.197 level0_slowdown, 0.000 level0_numfiles, 0.000 memtable_compaction, 43.717 leveln_slowdown
Stalls(count): 492387 level0_slowdown, 0 level0_numfiles, 0 memtable_compaction, 41183 leveln_slowdown
** DB Stats **
Uptime(secs): 202.1 total, 13.5 interval
Cumulative writes: 6291456 writes, 6291456 batches, 1.0 writes per batch, 4.90 ingest GB
Cumulative WAL: 6291456 writes, 6291456 syncs, 1.00 writes per sync, 4.90 GB written
Interval writes: 1048576 writes, 1048576 batches, 1.0 writes per batch, 836.0 ingest MB
Interval WAL: 1048576 writes, 1048576 syncs, 1.00 writes per sync, 0.82 MB written
Test Plan: ran it
Reviewers: sdong, yhchiang, igor
Reviewed By: igor
Subscribers: leveldb
Differential Revision: https://reviews.facebook.net/D19917
2014-07-21 21:57:29 +02:00
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
CompactionStats stats_sum(0);
|
|
|
|
int total_files = 0;
|
|
|
|
int total_files_being_compacted = 0;
|
|
|
|
double total_file_size = 0;
|
|
|
|
uint64_t total_slowdown_soft = 0;
|
|
|
|
uint64_t total_slowdown_count_soft = 0;
|
|
|
|
uint64_t total_slowdown_hard = 0;
|
|
|
|
uint64_t total_slowdown_count_hard = 0;
|
|
|
|
uint64_t total_stall_count = 0;
|
|
|
|
double total_stall_us = 0;
|
|
|
|
for (int level = 0; level < number_levels_; level++) {
|
|
|
|
int files = current->NumLevelFiles(level);
|
|
|
|
total_files += files;
|
|
|
|
total_files_being_compacted += files_being_compacted[level];
|
|
|
|
if (comp_stats_[level].micros > 0 || files > 0) {
|
|
|
|
uint64_t stalls = level == 0 ?
|
|
|
|
(cf_stats_count_[LEVEL0_SLOWDOWN] +
|
|
|
|
cf_stats_count_[LEVEL0_NUM_FILES] +
|
|
|
|
cf_stats_count_[MEMTABLE_COMPACTION])
|
|
|
|
: (stall_leveln_slowdown_count_soft_[level] +
|
|
|
|
stall_leveln_slowdown_count_hard_[level]);
|
|
|
|
|
|
|
|
double stall_us = level == 0 ?
|
|
|
|
(cf_stats_value_[LEVEL0_SLOWDOWN] +
|
|
|
|
cf_stats_value_[LEVEL0_NUM_FILES] +
|
|
|
|
cf_stats_value_[MEMTABLE_COMPACTION])
|
|
|
|
: (stall_leveln_slowdown_soft_[level] +
|
|
|
|
stall_leveln_slowdown_hard_[level]);
|
|
|
|
|
|
|
|
stats_sum.Add(comp_stats_[level]);
|
|
|
|
total_file_size += current->NumLevelBytes(level);
|
|
|
|
total_stall_us += stall_us;
|
|
|
|
total_stall_count += stalls;
|
|
|
|
total_slowdown_soft += stall_leveln_slowdown_soft_[level];
|
|
|
|
total_slowdown_count_soft += stall_leveln_slowdown_count_soft_[level];
|
|
|
|
total_slowdown_hard += stall_leveln_slowdown_hard_[level];
|
|
|
|
total_slowdown_count_hard += stall_leveln_slowdown_count_hard_[level];
|
|
|
|
int64_t bytes_read = comp_stats_[level].bytes_readn +
|
|
|
|
comp_stats_[level].bytes_readnp1;
|
|
|
|
double rw_amp = (comp_stats_[level].bytes_readn == 0) ? 0.0
|
|
|
|
: (comp_stats_[level].bytes_written + bytes_read) /
|
|
|
|
static_cast<double>(comp_stats_[level].bytes_readn);
|
|
|
|
double w_amp = (comp_stats_[level].bytes_readn == 0) ? 0.0
|
|
|
|
: comp_stats_[level].bytes_written /
|
|
|
|
static_cast<double>(comp_stats_[level].bytes_readn);
|
|
|
|
PrintLevelStats(buf, sizeof(buf), "L" + std::to_string(level),
|
|
|
|
files, files_being_compacted[level], current->NumLevelBytes(level),
|
|
|
|
compaction_score[level], rw_amp, w_amp, stall_us, stalls,
|
|
|
|
comp_stats_[level]);
|
|
|
|
value->append(buf);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
uint64_t curr_ingest = cf_stats_value_[BYTES_FLUSHED];
|
|
|
|
// Cumulative summary
|
|
|
|
double rw_amp = (stats_sum.bytes_written + stats_sum.bytes_readn +
|
|
|
|
stats_sum.bytes_readnp1) / static_cast<double>(curr_ingest + 1);
|
|
|
|
double w_amp = stats_sum.bytes_written / static_cast<double>(curr_ingest + 1);
|
|
|
|
// Stats summary across levels
|
|
|
|
PrintLevelStats(buf, sizeof(buf), "Sum", total_files,
|
|
|
|
total_files_being_compacted, total_file_size, 0, rw_amp, w_amp,
|
|
|
|
total_stall_us, total_stall_count, stats_sum);
|
|
|
|
value->append(buf);
|
|
|
|
// Interval summary
|
|
|
|
uint64_t interval_ingest =
|
|
|
|
curr_ingest - cf_stats_snapshot_.ingest_bytes + 1;
|
|
|
|
CompactionStats interval_stats(stats_sum);
|
|
|
|
interval_stats.Subtract(cf_stats_snapshot_.comp_stats);
|
|
|
|
rw_amp = (interval_stats.bytes_written +
|
|
|
|
interval_stats.bytes_readn + interval_stats.bytes_readnp1) /
|
|
|
|
static_cast<double>(interval_ingest);
|
|
|
|
w_amp = interval_stats.bytes_written / static_cast<double>(interval_ingest);
|
|
|
|
PrintLevelStats(buf, sizeof(buf), "Int", 0, 0, 0, 0,
|
|
|
|
rw_amp, w_amp, total_stall_us - cf_stats_snapshot_.stall_us,
|
|
|
|
total_stall_count - cf_stats_snapshot_.stall_count, interval_stats);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Flush(GB): accumulative %.3f, interval %.3f\n",
|
|
|
|
curr_ingest / kGB, interval_ingest / kGB);
|
|
|
|
value->append(buf);
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Stalls(secs): %.3f level0_slowdown, %.3f level0_numfiles, "
|
|
|
|
"%.3f memtable_compaction, %.3f leveln_slowdown_soft, "
|
|
|
|
"%.3f leveln_slowdown_hard\n",
|
|
|
|
cf_stats_value_[LEVEL0_SLOWDOWN] / 1000000.0,
|
|
|
|
cf_stats_value_[LEVEL0_NUM_FILES] / 1000000.0,
|
|
|
|
cf_stats_value_[MEMTABLE_COMPACTION] / 1000000.0,
|
|
|
|
total_slowdown_soft / 1000000.0,
|
|
|
|
total_slowdown_hard / 1000000.0);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
snprintf(buf, sizeof(buf),
|
|
|
|
"Stalls(count): %" PRIu64 " level0_slowdown, "
|
|
|
|
"%" PRIu64 " level0_numfiles, %" PRIu64 " memtable_compaction, "
|
|
|
|
"%" PRIu64 " leveln_slowdown_soft, "
|
|
|
|
"%" PRIu64 " leveln_slowdown_hard\n",
|
|
|
|
cf_stats_count_[LEVEL0_SLOWDOWN],
|
|
|
|
cf_stats_count_[LEVEL0_NUM_FILES],
|
|
|
|
cf_stats_count_[MEMTABLE_COMPACTION],
|
|
|
|
total_slowdown_count_soft, total_slowdown_count_hard);
|
|
|
|
value->append(buf);
|
|
|
|
|
|
|
|
cf_stats_snapshot_.ingest_bytes = curr_ingest;
|
|
|
|
cf_stats_snapshot_.comp_stats = stats_sum;
|
|
|
|
cf_stats_snapshot_.stall_us = total_stall_us;
|
|
|
|
cf_stats_snapshot_.stall_count = total_stall_count;
|
|
|
|
}
|
|
|
|
|
2014-01-30 05:40:41 +01:00
|
|
|
} // namespace rocksdb
|