[Beowulf] typical protocol for cleanup of /tmp: on reboot? cron job? tmpfs?

Michael Di Domenico mdidomenico4 at gmail.com
Fri Aug 20 20:34:46 EDT 2010


Redhat and the likes have a utility called 'tmpwatch'

On Fri, Aug 20, 2010 at 6:53 PM, Rahul Nabar <rpnabar at gmail.com> wrote:
> On Fri, Aug 20, 2010 at 4:40 PM, Reuti <reuti at staff.uni-marburg.de> wrote:
>> Am 20.08.2010 um 22:40 schrieb Rahul Nabar:
>
> Thanks Jon and Reuti!
>
>> are you using any queuing system? I try to get all applications set up in such a way, that they write all their stuff to $TMPDIR. It's in [OS]GE and I think also in Torque for some time now, to be created automatically (as job specific directory on a node) and removed after the job.
>
> Yes. I'm using Torque. That's an interesting feature! I'll check it
> out. I guess one other option is to put an epilogue that does rm -fr
> /tmp/*
>
> Do you use a HDD temp or a tmpfs in RAM?
>
>>
>> A load sensor which checks the space on a node in /scratch and put the queue instance into alarm state, if it falls under a certain value, can in addition prevent a black hole in the cluster, where one after the other job crashes due to missing scratch space.
>>
>
> That seems neat too! But I am not sure if torque can do an alarm state
> on a queue too that way.
>
> --
> Rahul
>
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