[Bug 250323] OpenZFS L2ARC size shrinking over time

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 04 Mar 2022 12:10:34 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250323

Pete French <pete@twisted.org.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |pete@twisted.org.uk

--- Comment #2 from Pete French <pete@twisted.org.uk> ---
I'm also seeing this, on a recent STABLE. The size of L2ARC as reported by
bfs-stats shrinks over time, and I dont think its an accounting error, as the
performance of the datbase on the machine returns to what it was when I didnt
have L2ARC at all.

The odd thing is, when I reboot the machine, it then shows the L2ARC as being
full of data, and performance goes back to normal.

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