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https://issues.apache.org/jira/browse/HDFS-4393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HDFS-4393:
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Attachment: HDFS-4393.patch
Update the patch to address Suresh's comments.
> Empty request and responses in protocol translators can be static final
> members
> -------------------------------------------------------------------------------
>
> Key: HDFS-4393
> URL: https://issues.apache.org/jira/browse/HDFS-4393
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Brandon Li
> Assignee: Brandon Li
> Priority: Minor
> Attachments: HDFS-4393.patch, HDFS-4393.patch, HDFS-4393.patch
>
>
> Some of the empty request and responses in protocol translators are
> unnecessarily created every time. They can be static final members in the
> translators.
> Example: ClientNamenodeProtocolTranslatorPB.java
> GetServerDefaultsRequestProto req =
> GetServerDefaultsRequestProto.newBuilder().build();
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