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https://issues.apache.org/jira/browse/HDFS-15005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16980582#comment-16980582
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Chao Sun commented on HDFS-15005:
---------------------------------
{quote}
StringBuilder may be more efficient?
{quote}
I was just follow intellij recommendation for this and it seems this is
slightly cleaner :). I think JVM will optimize this underneath and remove the
string concatenations, so performance-wise should be the same.
> Backport HDFS-12300 to branch-2
> -------------------------------
>
> Key: HDFS-15005
> URL: https://issues.apache.org/jira/browse/HDFS-15005
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
> Attachments: HDFS-15005-branch-2.000.patch,
> HDFS-15005-branch-2.001.patch
>
>
> Having DT related information is very useful in audit log. This tracks effort
> to backport HDFS-12300 to branch-2.
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