FreeBSD 10 swapping Idle processes :/

Allan Jude allanjude at freebsd.org
Thu Jul 31 07:13:16 UTC 2014


On 2014-07-31 03:09, Adi wrote:
> Hello
> 
>> swapping refers to the management of paging at the process level - in
>> some cases it's more efficient to page-out all the memory from some
>> idle or less active processes. 
> 
> But this is probably new behavior in FreebSD 10 ?
> I don't see it before on 9.1 in similar server load.
> 
> 
> 
>> I just reproduced this by dd'ing a 16 GB file to tmpfs (with 16GB RAM,
>> and 16GB swap). Some processes were marked as swapped before any
>> actual paging occurred. \
> 
> I forgot write, have small tmpfs too:
> 
> tmpfs               2,0M    252K    1,8M    12%
> /var/pgsql/data/pg_stat_tmp
> 
> Best Regards.
> 
> 
> 
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> 

If you reboot and don't use the tmpfs, do the symptoms go away?

-- 
Allan Jude

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