Github user HeartSaVioR commented on the pull request:

    https://github.com/apache/storm/pull/1272#issuecomment-203836195
  
    @arunmahadevan 
    I've just done with performance test, and the result is a bit different 
what I expected.
    
    
![eventlogger-performance-test-storm-1662-graph](https://cloud.githubusercontent.com/assets/1317309/14170745/35b77144-f76a-11e5-8fb7-22b959e7fcf0.png)
    
    This patch affects the performance even though event logger is set to 0 
thought I can't understand the result.
    This performance test is done with your topology + modification for logging 
performance.
    (https://gist.github.com/HeartSaVioR/0e2555633a5f7d12cb68)
    I restarted all Storm processes for every test.
    
    
[eventlogger-performance-test-STORM-1662-excel.xlsx](https://github.com/apache/storm/files/197260/eventlogger-performance-test-STORM-1662-excel.xlsx)
    
    Since test is done with my dev. machine (MBP), I really would like to 
borrow a dedicated machine and try this performance test again.


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