Performance degradation of ZFS?

[Lars Liedtke]

Hey,

might your Pool run out of capacity? Note: ZFS performance goes down
from about 85% to 90% upwards.

Lars

 Am 21.01.19 um 13:09 schrieb Yasuhiro KIMURA:
> Hello,
>
> Last month I upgraded my home server from 11.2-RELEASE to
> 12.0-RELEASE. It is ZFS only system. After making full data backup
> with tar(1) I made clean install of 12.0-RELEASE and restored backuped
> data. Then there is significant improvement of I/O performance.
>
> Is it possible that I/O performance degrade while using ZFS for a long
> time? And if answer is yes is there any way to recover performance
> without making full backup and restore?
>
> Best Regards.
>
> ---
> Yasuhiro KIMURA
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