[Bug 199189] SWAP on ZFS can crash server

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199189

John Nielsen <john at jnielsen.net> changed:

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                 CC|                            |john at jnielsen.net

--- Comment #5 from John Nielsen <john at jnielsen.net> ---
Using the recommended (AFAIK) settings for a ZFS swap volume (below) combined
with nowak's v_free sysctl recommendation allows me to run your test script
successfully (meaning the system doesn't hang and the script is killed).

zfs create -V <size> -o org.freebsd:swap=on -o checksum=off -o compression=off
-o dedup=off -o sync=disabled -o primarycache=none <pool>/<volname>

That said, I'm not sure what (if any) action this ticket should spur. Is there
specific documentation you (OP) would like to see updated?

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