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From Vaibhav Puranik <vpura...@gmail.com>
Subject Re: Correlating traffic with regions
Date Wed, 17 Nov 2010 16:04:08 GMT
hi,

Thanks for the suggestions JD & Michael.
The region servers serving ROOT & META regions are fine.

I will try analysing tcpdump output.

Regards,
Vaibhav
GumGum



On Tue, Nov 16, 2010 at 7:15 AM, Michael Segel <michael_segel@hotmail.com>wrote:

>
> 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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