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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14901) ReuseObjectMapper in Hadoop Common
Date Mon, 13 Nov 2017 15:23:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249708#comment-16249708
] 

Anu Engineer commented on HADOOP-14901:
---------------------------------------

Thank you for cherry-picking this into 3.0. I had skipped 3.0 due to this getting fixed very
close to the last release.


> 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, 3.0.0
>
>         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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