ZFS and Wired memory, again

[Larry Rosenman]

On 2014-02-28 12:31, Anton Sayetsky wrote:
> 2014-02-28 13:47 GMT+02:00 Matthias Gamsjager <mgamsjager at gmail.com>:
>>>> 
>>> 
>>> +1 from me, FreeBSD 10, uma=0
>>> 
>>> 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
>>> 
>>> 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.
>>> 
>> 
>> I wonder do you use any zfs tuning? Like max arc size? Wonder if 
>> setting
>> that to a reasonable amount would help.
> Please read carefully my first message. No any tuning (configs
> posted), and problem is not that ZFS uses big amount of memory. I'm
> experiencing exactly one problem - Wired mem is significantly larger
> than ARC.
> E.g. if my ARC size is 2048M, I'm expecting that Wired will not
> consume more than ARC+~150M.
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Other pieces of the system used wired memory......

Have you investigated that as well?

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c)     E-Mail: ler at lerctr.org
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