Linux Out-of-memory Killer

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Can't Track Down What's Causing Server To Go Out of Memory

For a few months now I've been experiencing random crashes on my 2GB RAM VPS Linode server. Someone convinced me to switch to self-managed hosting and I for some reason thought I could handle it ...
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when is the jvm heap allocated by the OS

One of our sap systems(PI ABAP+JAVA stack) was giving performance issue. The entire 64GB configured for the machine gets hogged up(and the 8 cores as well). Every one is suspecting the java part,but i ...
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LAMP/Postfix on Debian. Rare OOM-ing - tools to track down?

I'm getting seemingly random server hangs (specifically OOM-ing) and running out of skill trying to track this down. I'm using a Debian 5 VS with Apache/mySQL/PHP. I've got Postfix running using ...
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HaProxy suddenly crashing on new Ubuntu Images (same config works elsewhere)

I have been using HAProxy for about two years with the same working configuration. I've installed HaProxy multiple times over the last week on Ubuntu 14.04, 15.10 and I am getting out of Memory ...
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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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high load and OOM-killer on domUs while pvmove

Situation xen 4.0.1 dom0 (debian squeeze) domUs all with LVs as disks: disk = [ 'phy:/dev/vg-00/domu-swap,xvda1,w', 'phy:/dev/vg-00/domu-disk,xvda2,w' ]) one VG (vg-00) with 2 PVs Goal Move all ...
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Xen 4.0.1 Dom0 draws too much memory by nothing apparent - ooms out when streched under 900 MB

Greetings, I've setup a new ubuntu 10.10 server for xen 4.0.1, though it included kernel compilation (creating PVOPS 2.6.32 kernel) and all the stuff by their guide - (generally include xen and ...
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Why can't I malloc as much memory as `free` reports as being free?

The following C program allocates slices of 10MB of memory until it is killed by the Out of Memory killer. #include <stdio.h> #include <stdlib.h> #include <string.h> #include <...
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OOM Killer when tcpdump is run in system with low memory

I am working on an embedded system with limited memory. Here is the dump from my vmstat: procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swpd free buff ...