Search found 3 matches

by aleks_k
2009/07/06 20:52:40
Forum: CentOS 4 - Software Support
Topic: Program allocates more memory than system has (overcommit_memory=2)
Replies: 6
Views: 2797

Re: Program allocates more memory than system has (overcommit_memory=2)

Tried on a different VM (which is a clone of this VM but hosted on another box) and it behaved as expected: OS didn't let run java with too much memory reserved: # jdk1.6/bin/java -Xmx1300m OOMTest Error occurred during initialization of VM Could not reserve enough space for object heap Could not cr...
by aleks_k
2009/07/05 21:20:47
Forum: CentOS 4 - Software Support
Topic: Program allocates more memory than system has (overcommit_memory=2)
Replies: 6
Views: 2797

Re: Program allocates more memory than system has (overcommit_memory=2)

This problem looks too serious not to have been reported since release of CentOS 4. Let me update my setup to the latest available minor version and also try on other similar VMs on other boxes I have access to and come back with results.
by aleks_k
2009/07/02 19:50:09
Forum: CentOS 4 - Software Support
Topic: Program allocates more memory than system has (overcommit_memory=2)
Replies: 6
Views: 2797

Program allocates more memory than system has (overcommit_memory=2)

The short story: system with 3Gb RAM, 0 swap and overcommit_memory=2 allows application to allocate ~10Gb of virtual space which almost hangs the system. The long story: I'm running CentOS 4.7 as a Xen VM in CentOS 5.3 instance. VM has 3Gb of memory and 2VCPUs assigned to it. I'm trying to reproduce...

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