Messages in this thread | | | From | Al Boldi <> | Subject | top lies ? | Date | Tue, 13 Nov 2007 10:08:56 +0300 |
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kloczek wrote: > Some data showed by top command looks like completly trashed. > Fragment from top output: > > Mem: 2075784k total, 2053352k used, 22432k free, 19260k buffers > Swap: 2096472k total, 136k used, 2096336k free, 1335080k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP nFLT > WCHAN COMMAND 14515 mysql 20 0 1837m 563m 4132 S 39 27.8 > 27:14.20 1.2g 18 - mysqld > > How it is possible that swap ussage is 136k and swapped out portion of (in > this case) mysqld process is 1.2g ?
Welcome to OverCommit, aka OOM-nirvana.
Try this: # echo 2 > /proc/sys/vm/overcommit_memory # echo 0 > /proc/sys/vm/overcommit_ratio
But make sure you have enough swap.
Thanks!
-- Al
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