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Posted to yarn-issues@hadoop.apache.org by "Rohith Sharma K S (Jira)" <ji...@apache.org> on 2019/09/05 10:11:00 UTC
[jira] [Commented] (YARN-9303) Username splits won't help
timelineservice.app_flow table
[ https://issues.apache.org/jira/browse/YARN-9303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923252#comment-16923252 ]
Rohith Sharma K S commented on YARN-9303:
-----------------------------------------
back ported to branch-3.2. updated the fix version as 3.2.1
> Username splits won't help timelineservice.app_flow table
> ---------------------------------------------------------
>
> Key: YARN-9303
> URL: https://issues.apache.org/jira/browse/YARN-9303
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: ATSv2
> Affects Versions: 3.1.2
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Labels: atsv2, atsv2-hbase
> Fix For: 3.3.0
>
> Attachments: Only_Last_Region_Used.png, YARN-9303-001.patch
>
>
> timelineservice.app_flow hbase table uses pre split logic based on username whereas the rowkeys starts with inverted timestamp (Long.MAX_VALUE - ts). All data will go to the last region and remaining regions will never be inserted. Need to choose right split or use auto-split.
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