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https://issues.apache.org/jira/browse/HDFS-13601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-13601:
-------------------------------
    Attachment: HDFS-13601.004.patch

> Optimize ByteString conversions in PBHelper
> -------------------------------------------
>
>                 Key: HDFS-13601
>                 URL: https://issues.apache.org/jira/browse/HDFS-13601
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.1.0, 2.9.1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Major
>         Attachments: HDFS-13601.001.patch, HDFS-13601.002.patch, 
> HDFS-13601.003.patch, HDFS-13601.004.patch
>
>
> While doing some profiling of the NN with JMC, I saw a lot of time being 
> spent on String->ByteString conversions. These are often the same strings 
> being converted over and over again, meaning there's room for optimization.



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