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https://issues.apache.org/jira/browse/HADOOP-19134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HADOOP-19134.
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Fix Version/s: 3.5.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Use StringBuilder instead of StringBuffer
> -----------------------------------------
>
> Key: HADOOP-19134
> URL: https://issues.apache.org/jira/browse/HADOOP-19134
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: PJ Fanning
> Assignee: PJ Fanning
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> StringBuilder is basically the same as StringBuffer but doesn't use
> synchronized. String appending rarely needs locking like this.
> There are some public and package private APIs that use StringBuffers as
> input or return types - I have left these alone for compatibility reasons.
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