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MapReduce, mail # user - possible resource leak in capacity scheduler


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Radim Kolar 2012-10-15, 09:44
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Re: possible resource leak in capacity scheduler
Vinod Kumar Vavilapalli 2012-10-15, 23:13

Which version are you running? Can you enabled debug logging for RM and see what's happening?

Thanks,
+Vinod Kumar Vavilapalli
Hortonworks Inc.
http://hortonworks.com/

On Oct 15, 2012, at 2:44 AM, Radim Kolar wrote:

> i have simple 2 node cluster. one node with 2 GB and second with 1 GB RAM
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> on node with 1 GB is running application master - no memory left, nothing runs on node with 2 GB RAM
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> current application do not runs, it has only AM started and no resources for running mapper. If you take a look at screenshot from scheduler, interesting is that memory total is cluster metrics is just 1 GB.
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> http://postimage.org/image/t3pqmz6af/
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> its leak in cluster accounting?

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Radim Kolar 2012-10-16, 01:24
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Radim Kolar 2012-10-15, 22:09