Finding which process was killed by Linux OOM killer

Question

When Linux runs out of memory  OOM   the OOM killer chooses a process to kill based on some heuristics  it s an interesting read  http   lwn net Articles 317814     How can one programmatically determine which processes have recently been killed by the OOM killer

User · Accepted Answer

Try this out   grep -i  killed process   var log messages

User · Answer

Try this out   grep  Killed process   var log syslog

User · Answer

Try this so you don t need to worry about where your logs are  dmesg -T   egrep -i  killed process   -T - readable timestamps

User · Answer

Now dstat provides the feature to find out in your running system which process is candidate for getting killed by oom mechanism  dstat --top-oom  --out-of-memory---   kill score  java           77  java           77  java           77   and as per man page    --top-oom           show process that will be killed by OOM the first

[linux] Finding which process was killed by Linux OOM killer

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Examples related to linux-kernel