| Re: OOM didn't save the machine [message #35501 is a reply to message #35499] |
Tue, 31 March 2009 12:34   |
lazy
Messages: 16
Registered: January 2008
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Junior Member |
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| maratrus wrote on Tue, 31 March 2009 06:36 |
Hello,
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It's possible the "leak"
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Yes, it might be a leak. Moreover, you said that
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Same code runs without problems on non openvz kernels 2.6.22 25 27 for months
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So, let's try to find out if it's indeed a memory leak.
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Now it's happening again, apache process is using 100% cpu, I can't enter the vps beancounters bellow
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Looks like you have to adjust CPUUNITS/CPULIMITS on the HN. You may read about them in OpenVZ user's guide
http://download.openvz.org/doc/OpenVZ-Users-Guide.pdf
this VE has 300% cpulimit, and themachine has 4 cores
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oomguarpages 50345 59833 35236 9223372036854775807 0
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Oomguarpages exceeded barrier value, so this is likely the reason why a process inside that VE was killed.
http://wiki.openvz.org/Oomguarpages#oomguarpages
yes, first time when memory run out oom tried to kill some processes but I don't know if the one eating all the cpu was killed
Do you have a single VE on the HN? If no, please show the full user_beancounters output.
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Version: 2.5
uid resource held maxheld barrier limit failcnt
3001: kmemsize 164187239 168681365 268435456 536870912 0
lockedpages 0 0 2562 2562 0
privvmpages 750001 863788 1048576 1048576 0
shmpages 28 48 15374 15374 0
dummy 0 0 0 0 0
numproc 202 247 2000 2000 0
physpages 667127 774657 0 9223372036854775807 0
vmguarpages 0 0 35236 9223372036854775807 0
oomguarpages 667127 774657 35236 9223372036854775807 0
numtcpsock 134 309 2000 2000 0
numflock 10 32 1000 1100 0
numpty 0 1 200 200 0
numsiginfo 0 101 1024 1024 0
tcpsndbuf 1125360 4048272 8388608 10485760 0
tcprcvbuf 1046080 2213216 8388608 10485760 0
othersockbuf 171680 1371728 4650461 12842461 0
dgramrcvbuf 0 8736 4650461 4650461 0
numothersock 101 140 2048 3000 0
dcachesize 0 0 11452893 11796480 0
numfile 3896 4609 20480 20480 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 10 10 200 200 0
3000: kmemsize 80854359 83363201 125829120 131072000 0
lockedpages 0 0 2562 2562 0
privvmpages 135920 171574 512000 537600 0
shmpages 284 284 15374 15374 0
dummy 0 0 0 0 0
numproc 65 127 2000 2000 0
physpages 37459 59833 0 9223372036854775807 0
vmguarpages 0 0 35236 9223372036854775807 0
oomguarpages 37503 59833 30000 30000 0
numtcpsock 15 95 2000 2000 0
numflock 2 13 1000 1100 0
numpty 0 1 200 200 0
numsiginfo 8 30 1024 1024 0
tcpsndbuf 266800 1460304 9300923 17492923 0
tcprcvbuf 1296 286512 638976 1048576 0
othersockbuf 13136 1270944 4650461 12842461 0
dgramrcvbuf 0 4368 4650461 4650461 0
numothersock 11 33 8000 9000 0
dcachesize 0 0 11452893 11796480 0
numfile 2126 4801 20480 20480 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
dummy 0 0 0 0 0
numiptent 10 10 200 200 0
0: kmemsize 74806381 74857340 9223372036854775807 9223372036854775807 0
lockedpages 0 0 9223372036854775807 9223372036854775807 0
privvmpages 8703 20362 9223372036854775807 9223372036854775807 0
shmpages 1287 1303 9223372036854775807 9223372036854775807 0
dummy 0 0 9223372036854775807 9223372036854775807 0
numproc 99 109 9223372036854775807 9223372036854775807 0
physpages 4995 15435 9223372036854775807 9223372036854775807 0
vmguarpages 0 0 9223372036854775807 9223372036854775807 0
oomguarpages 5002 15435 9223372036854775807 9223372036854775807 0
numtcpsock 6 7 9223372036854775807 9223372036854775807 0
numflock 1 7 9223372036854775807 9223372036854775807 0
numpty 8 8 9223372036854775807 9223372036854775807 0
numsiginfo 2 6 9223372036854775807 9223372036854775807 0
tcpsndbuf 125696 698000 9223372036854775807 9223372036854775807 0
tcprcvbuf 98304 1312608 9223372036854775807 9223372036854775807 0
othersockbuf 9280 24832 9223372036854775807 9223372036854775807 0
dgramrcvbuf 0 8464 9223372036854775807 9223372036854775807 0
numothersock 25 30 9223372036854775807 9223372036854775807 0
dcachesize 0 0 9223372036854775807 9223372036854775807
...
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Attachment: cpu.png
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