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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase cluster design
Date Fri, 04 Apr 2014 12:35:34 GMT
Was the updating performed by one of the mapreduce jobs ?
HBase should be able to serve multiple mapreduce jobs in the same cluster. 

Can you provide more detail on the crash ?

BTW, there are 3 major releases after 0.92
Please consider upgrading your cluster to newer release. 


On Apr 4, 2014, at 3:08 AM, Flavio Pompermaier <pompermaier@okkam.it> wrote:

> Hi to everybody,
> I have a probably stupid question: is it a problem to run many mapreduce
> jobs on the same HBase table at the same time? And multiple jobs on
> different tables on the same cluster?
> Should I use Hoya to have a better cluster usage..?
> In my current cluster I noticed that the region servers tend to go down if
> I run a mapreduce job while updating (maybe it could be related to the old
> version of HBase I'm currently running: 0.92.1-cdh4.1.2).
> Best,
> Flavio

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