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HBase, mail # user - long running query


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Nurettin Şimşek 2013-01-07, 15:38
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Devaraj Das 2013-01-07, 15:49
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Re: long running query
Nurettin Şimşek 2013-01-08, 07:05
Hi Deveraj,

Conf details

mapred.child.java.opts = "-Xmx3600m -XX:UseGCOverheadLimit"
mapred.map.child.java.opts = "-Xms256m -Xmx3600m"
mapred.reduce.child.java.opts = "-Xms256m -Xmx3600m"
On Mon, Jan 7, 2013 at 5:49 PM, Devaraj Das <[EMAIL PROTECTED]> wrote:

> Hey Nurettin,
> It will be good if you can give us some details on the configuration. What
> is the heap size of the regionserver set to.
> Devaraj
> On Jan 7, 2013 7:39 AM, "Nurettin Şimşek" <[EMAIL PROTECTED]>
> wrote:
>
> > Hi,
> >
> > I'm running a query on cluster and result list can be too large. When
> > running query(for example on 5.Node), 5.Node stopped.
> >
> > I looked at log files and I got an error message as
> >
> > java.lang.OutOfMemoryError: java heap space
> > -XX:OnOutOfMemoryError="Kill -9 %p"
> > Executing /bin/sh -c "kill -9 28321"
> >
> > How can I do to prevent this error.
> >
> > Thanks.
> >
>

--
M. Nurettin ŞİMŞEK