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Posted to issues@hive.apache.org by "Ashutosh Chauhan (Jira)" <ji...@apache.org> on 2020/01/28 22:11:00 UTC
[jira] [Commented] (HIVE-22770) Skip interning of MapWork fields
during deserialization
[ https://issues.apache.org/jira/browse/HIVE-22770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17025466#comment-17025466 ]
Ashutosh Chauhan commented on HIVE-22770:
-----------------------------------------
+1 pending tests.
> Skip interning of MapWork fields during deserialization
> -------------------------------------------------------
>
> Key: HIVE-22770
> URL: https://issues.apache.org/jira/browse/HIVE-22770
> Project: Hive
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Attachments: HIVE-22770.01.patch, HIVE-22770.01.patch, HIVE-22770.02.patch, HIVE-22770.02.patch, HIVE-22770.03.patch, HIVE-22770.04.patch, HIVE-22770.05.patch, HIVE-22770.06.patch
>
>
> HIVE-19937 introduced some interning logic into mapwork deserialization process, but it's only related to spark, maybe we should skip this for tez, reducing the cpu pressure in tez tasks.
> UPDATE: Hive on spark is not supported anymore, the MapWorkSerializer can be completely removed.
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