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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3166) [Source organization] Decide detailed package structures for timeline service v2 components
Date Sat, 21 Feb 2015 00:35:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-3166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14329848#comment-14329848
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Zhijie Shen commented on YARN-3166:
-----------------------------------

bq.  But as a general rule, I think there could be issues...

Yeah, could be, but hopefully it won't be significant. in YARN-3240, I've made patch to add
new client APIs into TimelineClient. Taking a close look at TimelineClientImpl, the code of
operating on old data model is relative a small piece, while will need to carry over most
skeleton code as well as part of the APIs, i.e. DT operations.

> [Source organization] Decide detailed package structures for timeline service v2 components
> -------------------------------------------------------------------------------------------
>
>                 Key: YARN-3166
>                 URL: https://issues.apache.org/jira/browse/YARN-3166
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Li Lu
>            Assignee: Li Lu
>
> Open this JIRA to track all discussions on detailed package structures for timeline services
v2. This JIRA is for discussion only.
> For our current timeline service v2 design, aggregator (previously called "writer") implementation
is in hadoop-yarn-server's:
> {{org.apache.hadoop.yarn.server.timelineservice.aggregator}}
> In YARN-2928's design, the next gen ATS reader is also a server. Maybe we want to put
reader related implementations into hadoop-yarn-server's:
> {{org.apache.hadoop.yarn.server.timelineservice.reader}}
> Both readers and aggregators will expose features that may be used by YARN and other
3rd party components, such as aggregator/reader APIs. For those features, maybe we would like
to expose their interfaces to hadoop-yarn-common's {{org.apache.hadoop.yarn.timelineservice}}?

> Let's use this JIRA as a centralized place to track all related discussions. 



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