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From "Kevin O'dell" <kevin.od...@cloudera.com>
Subject Re: OOME cause
Date Sun, 19 Aug 2012 17:08:56 GMT
Sever,

  What is the heap set at?  I would not recommend exceeding .7 with
memstore and block cache combined as this does not leave much room for
hbase itself. What version is this on?
On Aug 19, 2012 7:51 AM, "Sever Fundatureanu" <fundatureanu.sever@gmail.com>
wrote:

> Hello,
>
> I have a RegionServer which OOMEd. The memstore is set to 0.4 and the
> blockCache to 0.4 of total memory. Although the memstore was empty
> (confirmed with Ganglia), the server OOMEd.
> I noticed the block cache is doing a lot of evictions, which caused a
> full GC pause. However, I don't see why this would cause an OOME, if
> the memstore is empty. Can someone please explain this?
>
> You can find the last lines of .out and .log files here:
> http://pastebin.com/NjV7Wrjj
> http://pastebin.com/Px4McVDt
>
> Thank you in advance,
> --
> Sever Fundatureanu
> Vrije Universiteit Amsterdam
>

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