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https://issues.apache.org/jira/browse/STORM-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15207771#comment-15207771
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ASF GitHub Bot commented on STORM-1632:
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Github user roshannaik commented on the pull request:
https://github.com/apache/storm/pull/1217#issuecomment-200137195
I retired the throughput measurements with ackers=0 .. impact is even
greater ... its **30%** faster when event.logger=0
> Disable event logging by default
> --------------------------------
>
> Key: STORM-1632
> URL: https://issues.apache.org/jira/browse/STORM-1632
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Reporter: Roshan Naik
> Assignee: Roshan Naik
> Priority: Blocker
> Fix For: 1.0.0
>
>
> EventLogging has performance penalty. For a simple speed of light topology
> with a single instances of a spout and a bolt, disabling event logging
> delivers a 7% to 9% perf improvement (with acker count =1)
> Event logging can be enabled when there is need to do debug, but turned off
> by default.
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