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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

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  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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