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From Ted Yu <yuzhih...@gmail.com>
Subject Re: How to know the root reason to cause RegionServer OOM?
Date Wed, 13 May 2015 03:04:04 GMT
Does the following appear in the command which launched region server ?
-XX:OnOutOfMemoryError="kill -9 %p"

There could be multiple reasons for region server process to encounter OOME.
Please take a look at HBASE-11544 which fixes a common cause. The fix is in
the upcoming 1.1.0 release.


On Tue, May 12, 2015 at 7:41 PM, David chen <c77_cn@163.com> wrote:

> A RegionServer was killed because OutOfMemory(OOM), although  the process
> killed can be seen in the Linux message log, but i still have two following
> problems:
> 1. How to inspect the root reason to cause OOM?
> 2  When RegionServer encounters OOM, why can't it free some memories
> occupied? if so, whether or not killer will not need.
> Any ideas can be appreciated!

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