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MapReduce >> mail # user >> How to test the performance of NN?

Mark Kerzner 2013-06-05, 22:17
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RE: How to test the performance of NN?
Hi Mark,

NNBench is a namenode load test. Output of the test is the set of performance numbers, like transactions per second, average latency of operations, etc.

What do you mean by trying to create a more efficient namenode? What dimension are you trying to optimize? Depending on this, people on this list might be able to guide you to something more appropriate.

Hope this helps,

From: Mark Kerzner [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, June 05, 2013 3:17 PM
To: Hadoop User
Subject: How to test the performance of NN?


I am trying to create a more efficient namenode, and for that I need to the standard distribution, and then compare it to my version.

Which benchmark should I run? I am doing nnbench, but it is not telling me anything about performance, only about potential failures.

Thank you.
Mark Kerzner 2013-06-06, 00:16
Ivan Mitic 2013-06-06, 06:18
Mark Kerzner 2013-06-07, 01:41
Suresh Srinivas 2013-06-05, 22:29