Re: CURRENT: memory leak?

From: Ngie Cooper <yaneurabeya_at_gmail.com>
Date: Fri, 29 Jul 2016 12:41:17 -0700
On Fri, Jul 29, 2016 at 12:03 PM, Allan Jude <allanjude_at_freebsd.org> wrote:
> On 2016-07-29 14:04, O. Hartmann wrote:
>>
>> I realise an exorbitant memory usage of FreeBSD CURRENT ( FreeBSD
>> 12.0-CURRENT #16
>> r303470: Fri Jul 29 05:58:42 CEST 2016 ). Swap space gets eaten up while
>> building
>> world/kernel and/or ports very quickly.
>>
>> I see this phenomenon on different CURRENT systems with different RAM (but
>> all ZFS!). No
>> box is less than 8 GB RAM: one 8GB, another 16, two 32 GB. An older XEON
>> Core2Duo server
>> with postgresql 9.5/postgis acting on some OSM data etas up all of its 32
>> GB and
>> additional 48GB swap - never seen before with 11-CURRENT.
>>
>> I didn't investigate the problem so far since I realized this memory
>> hunger of 12-CURRENT
>> just today on several boxes compiling world, eating up all the memory,
>> staring swapping
>> and never relax even after hours from the swapped memory.
>>
>> Is this a known phenomenon or am I seeing something mystique?
>>
>> Regards,
>>
>> Oliver
>>
>
> Do you have the output of 'top', the first few lines
>
> Specifically, is there very high 'Other' usage, on the ZFS ARC line?

`vmstat -Hm | sort -rnk 2,3 | head -n 10` might be helpful if the
memory used is in kernel space.
Thanks,
-Ngie
Received on Fri Jul 29 2016 - 17:41:19 UTC

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