CURRENT: memory leak?
O. Hartmann
ohartman at zedat.fu-berlin.de
Fri Jul 29 19:51:46 UTC 2016
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
[...]
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