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From "Jinsong Hu" <jinsong...@hotmail.com>
Subject how many regions a regionserver can support
Date Fri, 27 Aug 2010 17:02:48 GMT
Hi, There :
   Does anybody know how many region a regionserver can support ? I have 
regionservers with 8G ram and 1.5T disk and 4 core CPU.
I searched http://www.facebook.com/note.php?note_id=142473677002 and they 
say google target is 100 regions of 200M for each
regionserver.
  In my case, I have 2700 regions spread to 6 regionservers. each region is 
set to default size of 256M . and it seems it is still running fine. I am 
running CDH3.  I just wonder what is the upper limit so that I can do 
capacity planning. Does anybody know this ?

Jimmy. 


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