Investigate IPC performance
---------------------------

                 Key: HBASE-576
                 URL: https://issues.apache.org/jira/browse/HBASE-576
             Project: Hadoop HBase
          Issue Type: Improvement
          Components: ipc
    Affects Versions: 0.1.0, 0.2.0, 0.1.2, 0.1.1
            Reporter: Jim Kellerman


Turning off all file I/O, and running the PerformanceEvaluation test, of 
1,048,576 sequential writes to HBase managed to achieve only 7,285 IPCs per 
second.

Running PerformanceEvaluation sequential write test modified to do an abort 
instead of a commit, it was possible to do 68,337 operations per second. We are 
obviously spending a lot of time doing IPCs. 

We need to investigate to find the bottleneck. Marshalling and unmarshalling? 
Socket setup and teardown?

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