Re: CURRENT: memory leak?

From: O. Hartmann <ohartman_at_zedat.fu-berlin.de>
Date: Fri, 29 Jul 2016 21:52:32 +0200
Am Fri, 29 Jul 2016 12:41:17 -0700
Ngie Cooper <yaneurabeya_at_gmail.com> schrieb:

> 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
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This is after starting VBox and a Win 7 pro guest (just started, no login) with 3572 MB
memory reserved and 4 logical CPUs (VBox 5.0.26):

root_at_localhost: [ports] vmstat -Hm | sort -rnk 2,3 | head -n 10
      solaris 53030 62088K       - 23000705
16,32,64,128,256,512,1024,2048,4096,8192,32768 devbuf 20600 39751K       -    21380
16,32,64,128,256,512,1024,2048,4096,8192,16384,65536 iprtheap  9335 16498K       -
12303  32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536 nvidia  8162 21261K
-   549305  16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536 sysctloid  6004
309K       -     6125  16,32,64,128 acpica  5605   574K       -    65245
16,32,64,128,256,512,1024,2048,4096 umtx  1728   216K       -     1728  128
  ufs_dirhash  1543   678K       -     7175  16,32,64,128,256,512,1024,2048
          pmc  1066  6679K       -     1066  16,32,128,256,512,1024,4096,8192,65536
      kdtrace   950   218K       -   113551  64,256


And the top output is :

last pid: 12145;  load averages:  0.65,  0.45,
0.45
up 0+01:35:15  21:51:10 72 processes:  1 running, 71 sleeping CPU:  1.4% user,  0.0%
nice, 20.5% system,  0.2% interrupt, 77.9% idle Mem: 21M Active, 293M Inact, 7429M Wired,
775M Buf, 85M Free ARC: 1682M Total, 363M MFU, 1077M MRU, 5536K Anon, 20M Header, 216M
Other Swap: 64G Total, 400M Used, 64G Free

  PID USERNAME       THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
12077 ohartmann       25  20    0  4319M  3911M select  3   2:07  77.87% VirtualBox
 1002 root             1  23    0 12475M 31616K select  3   1:18   6.02% Xorg
 1027 ohartmann        1  25    0   125M  9440K select  0   0:15   1.35% wmaker
  514 root             1  20    0 12748K  1916K select  0   0:26   1.28% moused
11980 ohartmann       45  20    0   826M   248M select  0   0:23   0.13% firefox
 1645 root             1  20    0 22260K  2640K CPU2    2   0:02   0.10% top
 1634 ohartmann        1  20    0 76020K  4180K select  0   0:01   0.09% xterm
 1032 ohartmann        1  20    0 86260K  5852K select  3   0:06   0.06% xterm
12009 ohartmann        4  20    0   329M 35496K select  0   0:01   0.03% VirtualBox
12014 ohartmann       12  20    0   125M  7624K select  1   0:01   0.02% VBoxSVC
  403 root             1  20    0  9588K   556K select  0   0:00   0.01% devd
12012 ohartmann        1  20    0 90036K  5164K select  2   0:00   0.01% VBoxXPCOMIPCD
  563 root             1  20    0 12608K  1916K select  2   0:01   0.00% syslogd
  793 root             1  20    0 22764K 12632K select  0   0:00   0.00% ntpd
  820 root             1  20    0 43744K  2228K select  1   0:00   0.00% saned
 1026 ohartmann        1  20    0 33592K  3044K select  3   0:00   0.00% gpg-agent
  721 root             1  20    0   268M  1768K select  2   0:00   0.00% rpc.statd
  930 root             4  52    0  8364K  1852K rpcsvc  2   0:00   0.00% nfscbd
[...]

Received on Fri Jul 29 2016 - 17:51:46 UTC

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