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https://issues.apache.org/jira/browse/FLINK-2471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14652924#comment-14652924
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ASF GitHub Bot commented on FLINK-2471:
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Github user ffbin commented on the pull request:
https://github.com/apache/flink/pull/973#issuecomment-127449876
hi, System.currentTimeMillis() is cost performance very much.I want to use
a thread to call System.currentTimeMillis and update a static long variable
millTime.All other module do not need call System.currentTimeMillis() and can
use millTime directly.I have test it can improve performance very much.
> FileSinkFunction invoke performance optimize
> --------------------------------------------
>
> Key: FLINK-2471
> URL: https://issues.apache.org/jira/browse/FLINK-2471
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 0.8.1
> Reporter: fangfengbin
> Priority: Minor
>
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