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Posted to common-issues@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2017/11/13 03:45:00 UTC

[jira] [Commented] (HADOOP-14901) ReuseObjectMapper in Hadoop Common

    [ https://issues.apache.org/jira/browse/HADOOP-14901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249079#comment-16249079 ] 

Xiao Chen commented on HADOOP-14901:
------------------------------------

This is not in branch-3.0 as of now, just cherry-picked to there (Compiled before pushing). Thanks.

> 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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