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From Michael Segel <michael_se...@hotmail.com>
Subject RE: Correlating traffic with regions
Date Tue, 16 Nov 2010 15:15:47 GMT

Beyond this... which region is serving your ROOT and meta data?

That node will probably get a higher load.
Also, how many disks do you have and how many nodes?
You could see higher CPU loads if you're I/O bound.

> Date: Mon, 15 Nov 2010 18:24:31 -0800
> Subject: Re: Correlating traffic with regions
> From: jdcryans@apache.org
> To: user@hbase.apache.org
> 
> Yeah this is one area where HBase could do a much better job...
> because there's not really a way to do it within the database. One
> thing you can do is to tcpdump a few seconds of traffic on that node
> and decipher which tables (shown in the region name) are being used.
> 
> J-D
> 
> On Mon, Nov 15, 2010 at 5:17 PM, Vaibhav Puranik <vpuranik@gmail.com> wrote:
> > Hi all,
> >
> > We are running 0.20.6 in production.
> >
> > On one of our nodes, we are seeing CPU (all 8 CPUS) hovering near 60%. But
> > the node has many tables and many regions on it.
> >
> > Is there an easy way to find out which of these regions or tables are
> > getting most of the traffic?
> >
> > Regards,
> > Vaibhav Purnaik
> > GumGum
> >
 		 	   		  
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