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From sam liu <samliuhad...@gmail.com>
Subject How to set the handler count related parameters?
Date Sun, 22 Dec 2013 13:20:20 GMT
Hi,

We have 20 nodes cluster(1 namenode, 1 jobtracker, 18 datanodes).  Each
node has 20 cpu cores and 64 GB memory.

How to set the values for following parameters?

-

*dfs.namenode.handler.count- dfs.datanode.handler.count- *
*mapreduce.jobtracker.handler.count*
- *mapred.child.java.opts*

Thanks very much!

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