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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