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From Andrew Purtell <apurt...@apache.org>
Subject Re: Monitoring xceivers
Date Thu, 02 Apr 2009 23:42:43 GMT

Yes.

This could be a nice way to do this. Please let us know if this
approach works for you.

   - Andy


> From: Michael Dagaev <michael.dagaev@gmail.com>
> Subject: Monitoring xceivers
> To: hbase-user@hadoop.apache.org
> Date: Thursday, April 2, 2009, 6:29 AM
> Hi, all
> 
>        I heard from somebody on the list that the xceivers
> number is actually the number of worker threads of the data
> node process.
> 
> Assuming Java uses native threads we can monitor the number
> of xceivers just by ls /proc/<data node pid>/task | wc -l and
> if it is getting to the limit, add data  nodes.
> 
> Does it make sense?
> M.



      

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