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Posted to hdfs-user@hadoop.apache.org by Sesha Kumar <se...@gmail.com> on 2011/11/28 04:39:27 UTC

Analyzing the performance of HDFS

Hi Guys,

How should the performance of HDFS be analyzed? Are there any tools
available? What should be the minimum size of the  cluster to get a
reliable estimate of the performance? I am currently working on a three
machine cluster.

Re: Analyzing the performance of HDFS

Posted by Thanh Do <th...@cs.wisc.edu>.

this is a good reference

http://www.michael-noll.com/blog/2011/04/09/benchmarking-and-stress-testing-an-hadoop-cluster-with-terasort-testdfsio-nnbench-mrbench/#namenode-benchmark-nnbench

On Sun, Nov 27, 2011 at 9:39 PM, Sesha Kumar <se...@gmail.com> wrote:
> Hi Guys,
>
> How should the performance of HDFS be analyzed? Are there any tools
> available? What should be the minimum size of the  cluster to get a reliable
> estimate of the performance? I am currently working on a three machine
> cluster.
>