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From Bryan Beaudreault <bbeaudrea...@hubspot.com>
Subject Re: 0.94.2 failing regionservers
Date Mon, 04 Mar 2013 17:53:19 GMT
Interesting, thanks for pointing that out JD.  I'm running major
compactions now on the clusters to try to get everything over to V2.


On Mon, Mar 4, 2013 at 12:41 PM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:

> This looks a lot like:
>
> https://issues.apache.org/jira/browse/HBASE-6479
>
> FWIW running with V1 files is ok (unless you hit this bug obviously).
>
> J-D
>
> On Mon, Mar 4, 2013 at 9:00 AM, Bryan Beaudreault
> <bbeaudreault@hubspot.com> wrote:
> > We recently upgraded multiple clusters to CDH 4.2, which comes with hbase
> > 0.94.2  Since then We've seen region servers die periodically in a way I
> > never saw before on CDH3.
> >
> > Here are the exceptions:
> >
> > First I see a slew of these: http://pastebin.com/WqSwMzuZ
> >
> > Then the regionserver starts closing all its regions, after throwing this
> > exception: http://pastebin.com/396wX3iw
> >
> > This has now happened on multiple servers across multiple clusters, all
> cdh
> > 4.2.
> >
> > Any thoughts?  During the time our NameNodes seem to be doing fine and I
> > don't see any issue on our datanodes either.
>

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