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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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