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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3049) [Storage Implementation] Implement storage reader interface to fetch raw data from HBase backend
Date Sat, 01 Aug 2015 02:19:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650106#comment-14650106
] 

Zhijie Shen commented on YARN-3049:
-----------------------------------

What I meant before is that HBaseTimelineWriterImpl is not aware of a life cycle/session of
the application, such that it's hard to detect the app creation event inside HBaseTimelineWriterImpl
and make it transparent the caller. Instead, app collector can know if it is the first put
request for this app sent to the writer.

> [Storage Implementation] Implement storage reader interface to fetch raw data from HBase
backend
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3049
>                 URL: https://issues.apache.org/jira/browse/YARN-3049
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Zhijie Shen
>         Attachments: YARN-3049-WIP.1.patch, YARN-3049-WIP.2.patch, YARN-3049-WIP.3.patch,
YARN-3049-YARN-2928.2.patch, YARN-3049-YARN-2928.3.patch, YARN-3049-YARN-2928.4.patch
>
>
> Implement existing ATS queries with the new ATS reader design.



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