Attachment 620725 Details for Bug 911347

Flushing times with Systemd patched to btrfs

flushing_journal_time_btrfs_patch.txt (text/plain), 4.71 KB, created by Bruno Pesavento on 2015-01-23 17:34:10 UTC

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Creator: Bruno Pesavento

Created: 2015-01-23 17:34:10 UTC

Size: 4.71 KB

patch

obsolete

>System disk is a ST9120822AS unit, 120GB, 2.5", 5400rpm, 33MB/s, 12ms access time.
>File journald.conf used
>
>[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.
>
>........8.4MB
>
>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.
>
>........33.6MB
>
>system.journal: 4791 extents found
>gen 23 18:02:39 linux-a2yg systemd-journal[383]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 18:03:11 linux-a2yg systemd-journal[383]: Time spent on flushing to /var is 31.853731s for 1161 entries.
>
>system.journal: 4570 extents found
>gen 23 17:57:10 linux-a2yg systemd-journal[383]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:57:39 linux-a2yg systemd-journal[383]: Time spent on flushing to /var is 29.422228s for 1160 entries.
>
>system.journal: 4304 extents found
>gen 23 17:49:17 linux-a2yg systemd-journal[387]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:49:46 linux-a2yg systemd-journal[387]: Time spent on flushing to /var is 28.836700s for 1159 entries.
>
>system.journal: 4136 extents found
>gen 23 17:43:19 linux-a2yg systemd-journal[383]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:43:46 linux-a2yg systemd-journal[383]: Time spent on flushing to /var is 26.230317s for 1157 entries.
>
>system.journal: 3889 extents found
>gen 23 17:29:48 linux-a2yg systemd-journal[381]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:30:13 linux-a2yg systemd-journal[381]: Time spent on flushing to /var is 25.253256s for 1164 entries.
>
>system.journal: 3664 extents found
>gen 23 17:22:48 linux-a2yg systemd-journal[382]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:23:11 linux-a2yg systemd-journal[382]: Time spent on flushing to /var is 23.331384s for 1165 entries.
>
>system.journal: 3440 extents found
>gen 23 17:04:54 linux-a2yg systemd-journal[383]: Permanent journal is using 264.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 17:05:14 linux-a2yg systemd-journal[383]: Time spent on flushing to /var is 19.739399s for 1166 entries.
>
>
>........25.2MB
>
>system.journal: 2225 extents found
>gen 23 16:25:46 linux-a2yg systemd-journal[361]: Permanent journal is using 256.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 16:26:01 linux-a2yg systemd-journal[361]: Time spent on flushing to /var is 15.744157s for 1124 entries.
>
>........16.8MB
>
>system.journal: 1252 extents found
>gen 23 15:27:50 linux-a2yg systemd-journal[361]: Permanent journal is using 248.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 15:27:55 linux-a2yg systemd-journal[361]: Time spent on flushing to /var is 4.852818s for 1129 entries.
>
>........8.4MB
>
>system.journal: 932 extents found
>gen 23 15:16:29 linux-a2yg systemd-journal[360]: Permanent journal is using 248.0M (max allowed 1.0G, trying to leave 1.5G free of 1.0G avai
>gen 23 15:16:32 linux-a2yg systemd-journal[360]: Time spent on flushing to /var is 3.462535s for 1129 entries.
>
>#######################################REBOOT with new systemd
>system.journal: 962 extents found
>#######################################
>installed http://download.opensuse.org/repositories/Base:/System:/Legacy/openSUSE_13.2/x86_64/systemd-210-10.1.x86_64.rpm
>#######################################
>
>........8.4MB
>
>system.journal: 859 extents found
>gen 23 14:29:44 linux-a2yg systemd-journal[366]: Permanent journal is using 248.0M (max allowed 1.0G, trying to leave 1.5G free of 1.5G avai
>gen 23 14:29:45 linux-a2yg systemd-journal[366]: Time spent on flushing to /var is 504.430ms for 1135 entries.
>
>
>###############################

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