ZFS and Wired memory, again

[Matthias Gamsjager]

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> +1 from me, FreeBSD 10, uma=0
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> 52 processes:  2 running, 49 sleeping, 1 zombie
> CPU:  0.0% user,  0.0% nice,  0.0% system,  0.4% interrupt, 99.6% idle
> Mem: 31M Active, 16K Inact, 3352M Wired, 17M Cache, 48M Free
> ARC: 1838M Total, 110M MFU, 18M MRU, 548K Anon, 1876M Header, 75M Other
> Swap: 4096M Total, 126M Used, 3969M Free, 3% Inuse
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> Machine is plain dead. Running database or squid or anything causes
> excessive swapping. This is the state when I disabled all payload, with
> everything started swap goes to 500M and machine is burning disks.
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I wonder do you use any zfs tuning? Like max arc size? Wonder if setting
that to a reasonable amount would help.