R: Re: Slow startup of systemd-journal on BTRFS
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----Messaggio originale----
Da: [email protected]
Data: 12/06/2014 3.18
A: <[email protected]>
Cc: "systemd Mailing List"<[email protected]>, "linux-btrfs"
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Ogg: Re: Slow startup of systemd-journal on BTRFS
Quoted 8 lines · On Wed, 11 Jun 2014 23:28:54 Goffredo Baroncelli wrote:
https://bugzilla.redhat.com/show_bug.cgi?id=1006386suggested me that the problem could be due to a bad interaction between systemd and btrfs. NetworkManager was innocent. It seems that systemd-journal create a very hight fragmented files when it stores its log. And BTRFS it is know to behave slowly when a file is highly fragmented. This had caused a slow startup of systemd-journal, which in turn had blocked the services which depend by the loggin system.
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On my BTRFS/systemd systems I edit
/etc/systemd/journald.confand put "SystemMaxUse=50M". That doesn't solve the fragmentation problem but
reduces
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it enough that it doesn't bother me.
IIRC my log files are about 80/100MB. So I am not sure if this could help. I want to investigate also the option
MaxFileSec=1d
which rotates the log file once a day (or a week)
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