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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: 100% usage and hanging on startup of Spring/Hibernate app in Tomcat 5.5 on Ubuntu 7
Date Tue, 01 Sep 2009 15:34:55 GMT
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Peter,

On 9/1/2009 11:18 AM, Peter Crowther wrote:
> 2009/9/1 Christopher Schultz <chris@christopherschultz.net>
> 
>> Hmm. Do you trust your hardware?
>> [...]
> 
> How much physical memory does your machine have? How much swap space?
>> Try running badblocks on your swap partition. Try running memtest86+ on
>> your hardware (if it's x86... you didn't say).
>>
> 
> The OP stated this was in a virtual machine.  Some, but not all, of this
> advice is appropriate in such an environment :-).

Whoops! In that case, run vmemtest86+ ha ha ha :)

Seriously, I would check the VM status. There is usually some way to
observe which soft/hard limits the VM has exceeded. For instance, in
Virtuozzo-based VMs, you can check /proc/user_beancounters. Other
techniques must exist for other virtualization technologies (except
maybe host/guest types like VMWare player, workstation, etc., since they
work differently).

- -chris
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