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From stack <st...@duboce.net>
Subject Re: Region Server Processes Exit Unexpectedly during Moderate Load MapReduce
Date Thu, 24 Apr 2008 21:24:19 GMT
Daniel Leffel wrote:
> I've continued down the path of investigation here and after upgrading to
> Hadoop 0.16.3 and Hbase 0.1.1, I've discovered the Region Server process is
> dying with an OutOfMemory exception.
>
> I've tried upping the HBase heap on the region server to 2 gigs.
>
> This is happening during a TableReduce.
>
> Are there any other setting I can tweak to help let the region server catch
> up before running out of memory?
>   

Give me a second.  I'm trying to put together a 0.1.2 candidate.  It has 
backport of HBASE-512 which seems to make a big difference regards count 
of regions any one server can carry.  Once its up, take it for a spin.
St.Ack


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