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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hbase/PerformanceEvaluation" by DougMeil
Date Wed, 04 May 2011 21:20:51 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "Hbase/PerformanceEvaluation" page has been changed by DougMeil.
The comment on this change is: Added comment about YCSB and link to HBase book.
http://wiki.apache.org/hadoop/Hbase/PerformanceEvaluation?action=diff&rev1=22&rev2=23

--------------------------------------------------

  
  The 8 concurrent clients write a single regionserver instance.  Our cluster is four computers.
 Load was put up by running a MR job as follows: {{{$ ./bin/hadoop org.apache.hadoop.hbase.PerformanceEvaluation
randomRead  8}}} MR job ran two mappers per computer so 8 clients running concurrently.  Timings
were those reported at head of the MR job page in the UI.
  
+ == More Information ==
+ 
+ As of this writing (2011), YCSB is a popular tool for testing performance.  See the HBase
book for more information http://hbase.apache.org/book.html
+ 

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