[Lustre-discuss] Lustre Client - Memory Issue

[Andreas Dilger]

There is a known problem with the DLM LRU size that may be affecting  
you. It may be something else too. Please check /proc/ 
{slabinfo,meminfo} to see what is using the memory on the client.

Cheers, Andreas

On 2010-04-19, at 10:43, Jagga Soorma <jagga13 at gmail.com> wrote:

> Hi Guys,
>
> My users are reporting some issues with memory on our lustre 1.8.1  
> clients.  It looks like when they submit a single job at a time the  
> run time was about 4.5 minutes.  However, when they ran multiple  
> jobs (10 or less) on a client with 192GB of memory on a single node  
> the run time for each job was exceeding 3-4X the run time for the  
> single process.  They also noticed that the swap space kept climbing  
> even though there was plenty of free memory on the system.  Could  
> this possibly be related to the lustre client?  Does it reserve any  
> memory that is not accessible by any other process even though it  
> might not be in use?
>
> Thanks much,
> -J
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