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OOM killed process, altough there is enough memory [message #48274] Wed, 10 October 2012 16:25 Go to previous message
Roman Haefeli is currently offline  Roman Haefeli
Messages: 9
Registered: May 2012
Junior Member
From: *parallels.com
Hi all

We're having issues with processes in a container being killed by OOM,
although the hostnode does not have even half of its memory used.
How can it be that there is a failcnt for oomguarpages, although the
barrier wasn't even reached?

This is on Debian Squeeze with the OpenVZ Kernel shipped by Debian.


uname -r
2.6.32-5-openvz-amd64

from dmesg:

[498530.406463] OOM killed process java (pid=4143, ve=2018) exited, free=11882227 gen=17.

from /proc/user_beancounters


uid resource held maxheld barrier limit failcnt
2018: kmemsize 12790390 34388183 34379782 38379782 1255
lockedpages 0 239 1024 1200 6
privvmpages 416902 1559453 2097152 9223372036854775807 0
shmpages 7929 8954 21504 21504 0
dummy 0 0 0 0 0
numproc 184 372 1000 1200 0
physpages 71964 529494 0 9223372036854775807 0
vmguarpages 0 0 2097152 9223372036854775807 0
oomguarpages 71964 529494 2097152 9223372036854775807 1
numtcpsock 43 117 360 360 0
numflock 7 29 188 206 0
numpty 0 1 16 16 0
numsiginfo 0 7 256 256 0
tcpsndbuf 213904 955224 1720320 2703360 0
tcprcvbuf 212992 282952 1720320 2703360 0
othersockbuf 18496 43600 1126080 2097152 0
dgramrcvbuf 0 4360 262144 262144 0
numothersock 214 253 360 360 0
dcachesize 611724 1746754 3409920 3624960 0
numfile 3745 7966 9312 9312 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 10 10 128 128 0


Roman
 
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