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From xiujin yang <xiujiny...@hotmail.com>
Subject RE: Region servers down...
Date Tue, 24 Aug 2010 06:43:50 GMT

Hi 

My cluster is in this way.  
Hadoop & HBase are deployed on different machine. 
HBase use the hdfs of Hadoop.  

Machine

4 CPU & 6 G RAM



Hadoop 

192.168.158.171

192.168.158.172

192.168.158.174Send

192.168.158.177

192.168.158.176

192.168.158.180


192.168.158.186







HBase

192.168.158.179  HMaster & RS




192.168.158.187  RS





192.168.158.188  RS







At first,we deployed all machine Hadoop & HBase & Mapreduce, we found it was easy
to make RS down because of memory problem.  
Task of Map/Reduce will eat too much memeory. And Hbase need to use swap. So we divided them.


Is this the reason? Or memory is tow small?



 		 	   		  
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