Mailinglist Archive: opensuse-factory (745 mails)

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Re: [opensuse-factory] Cannot boot after upgrading to Snapshot 20180120
Le lundi 22 janvier 2018 à 10:44 +0100, Hadrien Grasland a écrit :
Yes, one drawback to using Btrfs is that it has these unpredictable
bursts of high IO usage. If these occur at boot time, you're in for a
long boot, and if they occur inside of a running system, everything
that involves disk IO will suddenly become super-slow...

Those are usually related to rebalancing of the FS.

Latest btrfsmaintenance package has switched from cron job to systemd
timer, this should allow you to easily "tune" the condition on when the
balancing is done, for your own need (thanks to systemd drop-in).

Frederic Crozat
Enterprise Desktop Release Manager

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