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allocator

Provides information on memory management.

Syntax

Request syntax:

cbstats host:11210 [common options] allocator

Description

This command is used to collect information on memory management.

Options

There are no options for this command. For common cbstats options, see cbstats.

Examples

Request

cbstats localhost:11210 -u Administrator -p password -b beer-sample allocator

Response

___ Begin jemalloc statistics ___
Version: 4.5.0-3-g17c897976c60b0e6e4f4a365c751027244dada7a
Assertions disabled
config.malloc_conf: ""
Run-time option settings:
  opt.abort: false
  opt.lg_chunk: 21
  opt.dss: "secondary"
  opt.narenas: 1
  opt.purge: "ratio"
  opt.lg_dirty_mult: 3 (arenas.lg_dirty_mult: 3)
  opt.junk: "false"
  opt.quarantine: 0
  opt.redzone: false
  opt.zero: false
  opt.tcache: true
  opt.lg_tcache_max: 15
  opt.thp: true
  opt.prof: true
  opt.prof_prefix: "jeprof"
  opt.prof_active: false (prof.active: false)
  opt.prof_thread_active_init: true (prof.thread_active_init: true)
  opt.lg_prof_sample: 19 (prof.lg_sample: 19)
  opt.prof_accum: false
  opt.lg_prof_interval: -1
  opt.prof_gdump: false
  opt.prof_final: false
  opt.prof_leak: false
  opt.stats_print: false
Arenas: 1
Min active:dirty page ratio per arena: 8:1
Quantum size: 16
Page size: 4096
Maximum thread-cached size class: 32768
Allocated: 346524744, active: 347295744, metadata: 3015888, resident: 349773824, mapped: 352321536, retained: 0
Current active ceiling: 348127232

Merged arenas stats:
assigned threads: 26
dss allocation precedence: N/A
min active:dirty page ratio: N/A
purging: dirty: 55, sweeps: 22, madvises: 103, purged: 734
                            allocated      nmalloc      ndalloc    nrequests
small:                       54406216       371163        97660      3572656
large:                        2711552          800          731         1113
huge:                       289406976            2            0            2
total:                      346524744       371965        98391      3573771
active:                     347295744
mapped:                     350224384
retained:                           0
metadata: mapped: 1544192, allocated: 764112
bins:           size ind    allocated      nmalloc      ndalloc    nrequests      curregs      curruns regs pgs  util       nfills     nflushes      newruns       reruns
                   8   0        24920        11111         7996       249538         3115            8  512   1 0.760          268          225           11           42
                  16   1       172144        16287         5528       165964        10759           45  256   1 0.933          854          262           52           73
                  32   2      2718176        94573         9630      1065895        84943          666  128   1 0.996         2687          370          680          912
                  48   3      1189920        31571         6781       602628        24790           99  256   3 0.978          534          264          112          159
                  64   4      1049984        55777        39371       695278        16406          260   64   1 0.985        17213          798          685          456
                  80   5      3011280        40424         2783       123762        37641          149  256   5 0.986          664          180          150           92
                  96   6       460704         9162         4363        50856         4799           40  128   3 0.937          748          145           51           90
                 112   7      2890608        29796         3987       212934        25809          101  256   7 0.998          771          249          113           94
                 128   8       118016         2300         1378        31350          922           34   32   1 0.847          188          190           43          125
                 160   9      1146240         8407         1243        57356         7164           58  128   5 0.964          822          122           59           49
                 192  10       713856         7276         3558        10311         3718           65   64   3 0.893          305          179           68          265
                 224  11       847392         6053         2270         8692         3783           31  128   7 0.953          139          130           35           78
                 256  12       356096         1984          593        54486         1391           89   16   1 0.976          215          163           95          108
                 320  13      1066560         5149         1816        24729         3333           54   64   5 0.964          239          148           61           62
                 384  14      1202304         3680          549         6044         3131           99   32   3 0.988          261           90          104           49
                 448  15       977088         3072          891         6756         2181           35   64   7 0.973          125           95           40           52
                 512  16      6400512        12868          367        28954        12501         1567    8   1 0.997         1871          137         1579          145
                 640  17     11372160        18594          825        83906        17769          559   32   5 0.993         1389          109          566           48
                 768  18      1431552         2058          194        12499         1864          117   16   3 0.995          200           55          126           27
                 896  19       727552         1294          482         3584          812           27   32   7 0.939          100           99           32           55
                1024  20       389120          761          381         1568          380           95    4   1 1              156          159          152          123
                1280  21       627200          765          275         1120          490           32   16   5 0.957           92           87           43           56
                1536  22      3457536         2395          144         6091         2251          283    8   3 0.994          339           70          289           59
                1792  23        94976          195          142          464           53            4   16   7 0.828           38           68            8           14
                2048  24      4489216         2522          330         2888         2192         1096    2   1 1              392          139         1210          129
                2560  25       227840          182           93          179           89           12    8   5 0.927           34           53           18           27
                3072  26       279552          217          126          232           91           24    4   3 0.947           35           61           42           45
                3584  27       297472          173           90          216           83           11    8   7 0.943           32           54           17           26
                4096  28      1335296         1090          764        62772          326          326    1   1 1              244          175         1090            0
                5120  29       916480          298          119          440          179           45    4   5 0.994           42           59           61           59
                6144  30       946176          298          144          402          154           79    2   3 0.974           55           74          137           50
                7168  31       609280          191          106          233           85           23    4   7 0.923           35           61           37           57
                8192  32      1368064          299          132          301          167          167    1   2 1              114           82          299            0
               10240  33       839680          161           79          138           82           41    2   5 1               33           57           69           36
               12288  34       393216          114           82           50           32           32    1   3 1               17           47          114            0
               14336  35       258048           66           48           40           18            9    2   7 1                9           38           32            4
large:          size ind    allocated      nmalloc      ndalloc    nrequests      curruns
               16384  36       180224           95           84          134           11
               20480  37       143360           11            4           46            7
               24576  38       122880            8            3           48            5
               28672  39       774144           54           27           86           27
               32768  40       196608           83           77          250            6
               40960  41        81920           42           40           42            2
               49152  42            0           76           76           76            0
               57344  43       458752          104           96          104            8
               65536  44            0          306          306          306            0
               81920  45            0           16           16           16            0
               98304  46        98304            1            0            1            1
                     ---
              131072  48       131072            3            2            3            1
                     ---
              524288  56       524288            1            0            1            1
                     ---
huge:           size ind    allocated      nmalloc      ndalloc    nrequests   curhchunks
                     ---
            20971520  77     20971520            1            0            1            1
                     ---
           268435456  92    268435456            1            0            1            1
                     ---
--- End jemalloc statistics ---