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https://issues.apache.org/jira/browse/YARN-8975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16676457#comment-16676457
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Zhankun Tang commented on YARN-8975:
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[~leftnoteasy] , please help to review. Thanks.
> Use predefined Charset object StandardCharsets.UTF_8 instead of String "UTF-8"
> ------------------------------------------------------------------------------
>
> Key: YARN-8975
> URL: https://issues.apache.org/jira/browse/YARN-8975
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Trivial
> Attachments: YARN-8975-trunk.001.patch
>
>
> {code:java}
> Writer w = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");{code}
> Could be refactored to this to improve a little bit performance due to avoid
> string lookup:
> {code:java}
> Writer w = new OutputStreamWriter(new FileOutputStream(file),
> StandardCharsets.UTF_8);{code}
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