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Date: Fri, 10 Jun 2016 23:37:20 +0000 (UTC)
From: "Sangjin Lee (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Commented] (YARN-5070) upgrade HBase version for first
 merge
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    [ https://issues.apache.org/jira/browse/YARN-5070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15325509#comment-15325509 ] 

Sangjin Lee commented on YARN-5070:
-----------------------------------

Thanks for the update [~vrushalic]!

(FlowScanner.java)
- l.120: From the javadoc, it appears that {{ScannerContext}} keeps track of the progress towards the limits. But {{nextRaw(List<Cell>)}} creates a new {{ScannerContext}} every time it is invoked. If the progress should be monitored across multiple invocations of {{nextRaw(List<Cell>)}}, I'm not sure if this will do that. Are we even supposed to create instances of {{ScannerContext}}? Am I off? I'm basically not sure what is the correct way of using the {{ScannerContext}}. The same comment goes for {{next(List<Cell>)}}.
- Are we certain that {{batchLimit}} is the correct one to use in {{ScannerContext}}? I also see {{sizeLimit}} in {{ScannerContext}}.


> upgrade HBase version for first merge
> -------------------------------------
>
>                 Key: YARN-5070
>                 URL: https://issues.apache.org/jira/browse/YARN-5070
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Vrushali C
>            Priority: Critical
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-5070-YARN-2928.01.patch, YARN-5070-YARN-2928.02.patch, YARN-5070-YARN-2928.03.patch, YARN-5070-YARN-2928.04.patch
>
>
> Currently we set the HBase version for the timeline service storage to 1.0.1. This is a fairly old version, and there are reasons to upgrade to a newer version. We should upgrade it.



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