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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-763) NameNode benchmark using mapred is insufficient
Date Wed, 29 Nov 2006 23:55:21 GMT
NameNode benchmark using mapred is insufficient

                 Key: HADOOP-763
                 URL: http://issues.apache.org/jira/browse/HADOOP-763
             Project: Hadoop
          Issue Type: Improvement
          Components: test
    Affects Versions: 0.8.0
            Reporter: Nigel Daley
         Assigned To: Nigel Daley
            Priority: Minor

The current namenode benchmark (org.apache.hadoop.examples.NNBench) uses map/reduce to distribute
a load on the namenode.  For the purposes of loading the namenode, this model gives insufficient
control over job start and failure recovery.  I propose the namenode benchmark be re-written
to use slaves.sh directly to execute the namenode benchmark.  The benchmark should also give
finer control over the operations executed and the timings reported.

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