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From "mike Zarrin" <m...@unitedrmr.com>
Subject RE: Replication factor affecting write performance
Date Tue, 02 Sep 2014 04:08:12 GMT
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From: Stanley Shi [mailto:sshi@pivotal.io] 
Sent: Monday, September 01, 2014 7:31 PM
To: user@hadoop.apache.org
Cc: Julien Lehuen; Tyler McDougall
Subject: Re: Replication factor affecting write performance

 

What's the network setup and topology?

Also, the size of the cluster?

 

On Mon, Sep 1, 2014 at 4:10 PM, Laurens Bronwasser <Laurens.Bronwasser@imc.nl> wrote:

And now with the right label on the Y-axis.

 



 

From: Microsoft Office User <laurens.bronwasser@imc.nl>
Date: Monday, September 1, 2014 at 9:56 AM
To: "user@hadoop.apache.org" <user@hadoop.apache.org>
Cc: Julien Lehuen <julien.lehuen@imc.nl>, Tyler McDougall <Tyler.McDougall@imc.nl>
Subject: Replication factor affecting write performance

 

Hi,

We have a setup with two clusters. 

On cluster shows a very strong degradation when we increase the replication factor.

Another cluster shows hardly any degradation with increased replication factor.

 

Any idea how to find out the bottleneck in the slower cluster?

 

 

 

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-- 

Regards,

Stanley Shi,

  <http://www.gopivotal.com/files/media/logos/pivotal-logo-email-signature.png> 


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