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https://issues.apache.org/jira/browse/HADOOP-14901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210280#comment-16210280
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Junping Du commented on HADOOP-14901:
-------------------------------------
Sound like we don't commit the patch to branch-2.8/2.8.2. Replace with 2.9
instead in fix version.
> ReuseObjectMapper in Hadoop Common
> ----------------------------------
>
> Key: HADOOP-14901
> URL: https://issues.apache.org/jira/browse/HADOOP-14901
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Minor
> Fix For: 2.9.0, 3.1.0
>
> Attachments: HADOOP-14901-branch-2.001.patch,
> HADOOP-14901-branch-2.002.patch, HADOOP-14901.001.patch
>
>
> It is recommended to reuse ObjectMapper, if possible, for better performance.
> We can aslo use ObjectReader or ObjectWriter to replace the ObjectMapper in
> some places: they are straightforward and thread safe.
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