Attachment 621355 Details for Bug 911347

Flushing times with /var/log mounted with autodefrag option

flushing_journal_time_autodefrag.txt (text/plain), 3.57 KB, created by Bruno Pesavento on 2015-01-29 15:05:07 UTC

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Creator: Bruno Pesavento

Created: 2015-01-29 15:05:07 UTC

Size: 3.57 KB

patch

obsolete

>System disk is a ST9120822AS unit, 120GB, 2.5", 5400rpm, 33MB/s, 12ms access time.
>File journald.conf used (i.e. the default one)
>
>[Journal]
>#Storage=auto
>#Compress=yes
>#Seal=yes
>#SplitMode=login
>#SyncIntervalSec=5m
>#RateLimitInterval=30s
>#RateLimitBurst=1000
>#SystemMaxUse=
>#SystemKeepFree=
>#SystemMaxFileSize=34M
>#RuntimeMaxUse=
>#RuntimeKeepFree=
>#RuntimeMaxFileSize=
>#MaxRetentionSec=
>#MaxFileSec=1month
>#ForwardToSyslog=yes
>#ForwardToKMsg=no
>#ForwardToConsole=no
>#TTYPath=/dev/tty10
>#MaxLevelStore=debug
>#MaxLevelSyslog=debug
>#MaxLevelKMsg=notice
>#MaxLevelConsole=info
>
>........size of file "system.journal" at time of flushing to disk.
>........41.9MB
>
>system.journal: 20 extents found
>gen 29 15:21:47 linux-a2yg systemd-journal[362]: Permanent journal is using 322.0M (max allowed 1.0G, trying to leave 1.5G free of 976.6M av
>gen 29 15:21:50 linux-a2yg systemd-journal[362]: Time spent on flushing to /var is 3.637227s for 1127 entries.
>
>
>........33.6MB
>
>system.journal: 7 extents found
>gen 29 15:03:17 linux-a2yg systemd-journal[363]: Permanent journal is using 314.0M (max allowed 1.0G, trying to leave 1.5G free of 985.4M av
>gen 29 15:03:20 linux-a2yg systemd-journal[363]: Time spent on flushing to /var is 3.141017s for 1126 entries.
>
>system.journal: 5 extents found
>gen 29 15:03:17 linux-a2yg systemd-journal[363]: Permanent journal is using 314.0M (max allowed 1.0G, trying to leave 1.5G free of 985.4M av
>gen 29 15:03:20 linux-a2yg systemd-journal[363]: Time spent on flushing to /var is 3.141017s for 1126 entries.
>
>system.journal: 13 extents found
>gen 29 14:56:28 linux-a2yg systemd-journal[361]: Permanent journal is using 314.0M (max allowed 1.0G, trying to leave 1.5G free of 985.6M av
>gen 29 14:56:31 linux-a2yg systemd-journal[361]: Time spent on flushing to /var is 3.267271s for 1129 entries.
>
>........25.2MB
>
>system.journal: 10 extents found
>gen 29 14:44:24 linux-a2yg systemd-journal[362]: Permanent journal is using 306.0M (max allowed 1.0G, trying to leave 1.5G free of 994.5M av
>gen 29 14:44:25 linux-a2yg systemd-journal[362]: Time spent on flushing to /var is 1.040344s for 1139 entries.
>
>........16.8MB
>
>system.journal: 3 extents found
>gen 29 14:31:36 linux-a2yg systemd-journal[362]: Permanent journal is using 298.0M (max allowed 1.0G, trying to leave 1.5G free of 1003.3M a
>gen 29 14:31:36 linux-a2yg systemd-journal[362]: Time spent on flushing to /var is 862.451ms for 1135 entries.
>
>
>........8.4MB
>
>system.journal: 4 extents found
>gen 29 14:22:36 linux-a2yg systemd-journal[363]: Permanent journal is using 290.0M (max allowed 1.0G, trying to leave 1.5G free of 1011.8M a
>gen 29 14:22:37 linux-a2yg systemd-journal[363]: Time spent on flushing to /var is 700.627ms for 1139 entries.
>
>
>system.journal: 7 extents found
>gen 29 12:23:27 linux-a2yg systemd-journal[362]: Permanent journal is using 306.0M (max allowed 1.0G, trying to leave 1.5G free of 1003.3M a
>gen 29 12:23:28 linux-a2yg systemd-journal[362]: Time spent on flushing to /var is 1.232300s for 1137 entries.
>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> mount  /var/log -o autodefrag
>
>system.journal: 2 extents found
>gen 23 18:19:34 linux-a2yg systemd-journal[381]: Permanent journal is using 290.0M (max allowed 1.0G, trying to leave 1.5G free of 1019.7M a
>gen 23 18:19:34 linux-a2yg systemd-journal[381]: Time spent on flushing to /var is 53.135ms for 1163 entries.
>
>........35.7MB
>system.journal: 4985 extents found
>gen 23 18:09:28 linux-a2yg systemd-journal[381]: Permanent journal is using 266.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 18:09:59 linux-a2yg systemd-journal[381]: Time spent on flushing to /var is 31.208130s for 1173 entries.
>
>

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Attachments on bug 911347: 619347 | 619455 | 619596 | 620725 | 621355