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https://issues.apache.org/jira/browse/HADOOP-19875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18077292#comment-18077292
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Steve Loughran commented on HADOOP-19875:
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[~szetszwo] I've been working with JMH to microbenchmark these things. You
should consider doing the same, maybe with a little hadoop-benchmarks module
for this.
https://steveloughran.github.io/benchmarking-variants/benchmarking-variants.html
> 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
>
> In HDDS-10489, we found that using LongToIntFunction instead of
> ToIntFunction<Long> can further improve the performance.
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