[Bug 231457] Out of swap space on ZFS

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231457

Masachika ISHIZUKA <ish at amail.plala.or.jp> changed:

           What    |Removed                     |Added
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                 CC|                            |ish at amail.plala.or.jp

--- Comment #18 from Masachika ISHIZUKA <ish at amail.plala.or.jp> ---
I'm using zfs on vps with very small rams (512mb).
It was good operating on 10.3R, 11.0R, 11.1R, 11.2R and 12.0R.
Recently, I upgraded to 12.1R and many processes were killed because of 'out of
swap space' but no 'swap_pager_getswapspace failed'.
So, I set 'sysctl vm.pageout_oom_seq=1024' on /boot/loader.conf and this
reduced killed processes.
Now, I'm watching the situation by increasing 1024 to 10240.

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