Linux Out-of-memory Killer

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23
votes
3answers
15k views

Turn off the Linux OOM killer by default?

The OOM killer on Linux wreaks havoc with various applications every so often, and it appears that not much is really done on the kernel development side to improve this. Would it not be better, as a ...
5
votes
4answers
736 views

Linux oom situation

I have continous oom&panic situation unresolved. I am not sure system fills up all the ram (36GB). Why this system triggered this oom situation? I suspect it as related to lowmem zone in 32 bit ...
6
votes
3answers
8k views

OOM killer killing things with plenty(?) of free RAM

The OOM killer seems to be killing things despite having more than enough free RAM on my system: (Full resolution) (Full resolution) 27 minutes and 408 processes later, the system started ...
5
votes
5answers
7k views

How to reliably take Java Heap Dumps?

My team is running into difficulties when trying to take good heap dumps triggered by OutOfMemoryErrors. For specific reasons we are currently taking the dumps with jmap called from a bash script ...
2
votes
1answer
903 views

Using linux oom_score_adj to aim the oom daemon at the right target

On Ubuntu 11.04, /proc/[pid] contains oom_score_adj, but man proc describes the old oom_adj. What I need to arrange is that processes started by 'pbs' or 'gridengine' are killed before anything else ...
1
vote
2answers
1k views

OOM-Killer, jboss and kernel panic

We are running RedHat 3.4.6(x32) on VMWareEsx3.5(x64) with 6GB RAM. A few java processes(including jboss) are running in the background. The problem is that the java processes consume lots of memory, ...
0
votes
3answers
817 views

php-fpm invokes oom-killer

I'm seeing an issue where PHP-FPM works perfectly for a few days, and then decides to fill up all the memory + swap and invoke OOM-Killer. After this happens, the server is completely dead and you ...