oom-killer Out-Of-Memory killer in the Linux kernel

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Adjust oom_score at process launch

I've got a few servers that have begun oom-killing their backup processes and, while I understand that encountering the oom condition is quite bad in itself, I need this process to not die so that ...
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1answer
75 views

Oracle invoked oom-killer even when RAM and SWAP is plenty free?

Can you please tell me what cause this Oracle process killed? Seems like plenty of RAM free, and plenty of SWAP free. There followed few other oracle processes killed. The VM has the 16G of vMem and 8 ...
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1answer
73 views

Is there a way for Apache to control how much memory it reserves?

Apache seems to have no control over how much memory it reserves. In MPM prefork you control the maximum number of processes you want to allow, but whatever number you use there, there is always a ...
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1answer
44 views

OOM score adjustements

On Ubuntu 12.04/Java 1.7 I have been reading/searching about OOM killer and generally understood what "proc" man page says especially oom_adj part. It all started because my important "MQ listeners" ...
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3answers
4k views

Rsync triggered Linux OOM killer on a single 50 GB file

I have a single 50 GB file on server_A, and I'm copying it to server_B. I run server_A$ rsync --partial --progress --inplace --append-verify 50GB_file root@server_B:50GB_file Server_B has 32 ...
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47 views

OOM Killer not triggering?

I'm working in an environment which has just been upgraded to Amazon Linux 2015.03 from Debian 6, quite a big jump. On the new platform a server instance has locked up a few times due to running out ...
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1answer
3k views

Understanding OOM killer logs

I run some processes inside docker container and I use memory limitation for this container. Sometimes some processes inside docker container got killed by OOM killer. I see that in syslog file: ...
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2answers
233 views

View full program command line arguments in OOM killer logs

Is it possible to view full program command line arguments in OOM killler logs ? What I see now in /var/log/syslog is Memory cgroup out of memory: Kill process 29187 (beam.smp) score 998 or sacrifice ...
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3answers
4k views

Mysql crashing, oom-killer, out of memory, tuning issues?

I just moved all of my websites to a new server with 4GB RAM. Almost immediately, mysql started crashing, and at one point, didn't reboot which caused a major outage (since I didn't notice until ...
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1answer
1k views

linux OOM-kill why?

. Greetings, fellow admins. I post in the hope of shedding light on the OOM-kills that haunt one of my company's machines. I cannot decide if they are legit OOMs or not. It's a Centos 6.x with kernel ...
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4answers
5k 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 ...
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1answer
59 views

On SmartOS how to tell if process was killed for OOM

A daemon process of mine gets killed almost immediately, as soon as it starts receiving requests. The application log has absolutely no error output, even when I try to run it in foreground. I have ...
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1answer
2k views

Troubleshooting oom-killer using atop: Is it fixed or not?

I have a Debian system with 4GB of RAM, 2GB of swap and 2 CPUs. I've been experiencing a number of system failures involving oom-killer. The system will be working fine one minute, and the next will ...
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1answer
13k views

Scaling Logstash (with redis/elasticsearch)

Over a cluster of over 12 centos 5.8 servers, I deployed logstash using the native logstash shipper, which sends /var/log/*/*.log back to a central logstash server. We tried using rsyslogd as the ...