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https://issues.apache.org/jira/browse/HADOOP-19875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18077391#comment-18077391
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Tsz-wo Sze commented on HADOOP-19875:
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Hi [[email protected]], thanks for the suggestion
bq. ... JMH to microbenchmark ...
JMH license is GPL 2 with CPE. I seem to recall that we cannot use it in
Apache. Google also said that. Not sure if it is still true.
!screenshot-2.png!
> Further improve CrcComposer performance
> ---------------------------------------
>
> Key: HADOOP-19875
> URL: https://issues.apache.org/jira/browse/HADOOP-19875
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Attachments: screenshot-2.png
>
>
> In HDDS-10489, we found that using LongToIntFunction instead of
> ToIntFunction<Long> can further improve the performance.
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