Re: poudriere, swap full and top says memory is free ?

From: John-Mark Gurney <jmg_at_funkthat.com>
Date: Sat, 14 Sep 2019 11:28:57 -0700
Kurt Jaeger wrote this message on Sat, Sep 14, 2019 at 19:38 +0200:
> - a poudriere build
> - of a list of ports
> - on 12.0-RELEASE-p10
> - on a 4 core+4 hyperthreads CPU, an Intel(R) Xeon(R) CPU E3-1230 v6
>   _at_ 3.50GHz
> - with 32 GB RAM
> - zpool with 2x 500 GB SSDs as a mirror
> 
> and right now, this can be seen:
> 
> last pid: 90922;  load averages:  5.02,  5.14,  5.73    up 0+03:53:08  19:31:05
> 82 processes:  6 running, 76 sleeping
> CPU: 60.6% user,  0.0% nice,  2.1% system,  0.0% interrupt, 37.3% idle
> Mem: 4598M Active, 2854M Inact, 11G Laundry, 6409M Wired, 6375M Free
> ARC: 3850M Total, 1721M MFU, 2090M MRU, 665K Anon, 19M Header, 19M Other
>      3406M Compressed, 3942M Uncompressed, 1.16:1 Ratio
> Swap: 18G Total, 18G Used, 396K Free, 99% Inuse, 68K In
> 
> So: Swap is full, approx. 6 GB memory is reported as free.
> 
> This is surprising. Can I somehow tune this in any way, so that
> the memory available is used for the build ? Or is the problem somewhere
> else ?

Are you sure that this hasn't just recently completed a large link of
something like Chromium?  There are known to be compiles that can take
many GB's of memory and if they recently exited, there hasn't been time
to swap stuff back in...  or is this the steady state over the entire
compile?

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."
Received on Sat Sep 14 2019 - 16:29:33 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:21 UTC