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Posted to issues@spark.apache.org by "Vinayak Joshi (JIRA)" <ji...@apache.org> on 2016/11/10 09:05:58 UTC

[jira] [Comment Edited] (SPARK-18256) Improve performance of event log replay in HistoryServer based on profiler results

    [ https://issues.apache.org/jira/browse/SPARK-18256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15653501#comment-15653501 ] 

Vinayak Joshi edited comment on SPARK-18256 at 11/10/16 9:05 AM:
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Hi - this kind of compliments the log replay improvement in SPARK-18010. SPARK-18010 got marked as Fix Version 2.1. Curious, if this instead can't be 2.1 as well?


was (Author: vijoshi):
Hi - this kind of compliments the log replay improvement in https://issues.apache.org/jira/browse/SPARK-18256. SPARK-18256 got marked as Fix Version 2.1. Curious, if there's a reason that this instead has been marked as Fix Version: 2.2 and can not be 2.1 as well?

> Improve performance of event log replay in HistoryServer based on profiler results
> ----------------------------------------------------------------------------------
>
>                 Key: SPARK-18256
>                 URL: https://issues.apache.org/jira/browse/SPARK-18256
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Josh Rosen
>            Assignee: Josh Rosen
>             Fix For: 2.2.0
>
>
> Profiling event log replay in the HistoryServer reveals Json4S control flow exceptions and `Utils.getFormattedClassName` calls as significant bottlenecks. Eliminating these halves the time to replay long event logs.



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