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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3942) Timeline store to read events from HDFS
Date Tue, 29 Sep 2015 18:07:07 GMT

    [ https://issues.apache.org/jira/browse/YARN-3942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935549#comment-14935549
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Li Lu commented on YARN-3942:
-----------------------------

Hi folks, I'm trying to figure out out next plan on this JIRA. Are we planning to make this
fix and commit it to trunk soon? I'm asking this because I'm planning to start the next phase
of this fix, which is to reduce the cache granularity to reduce refresh latency. If we're
putting this fix back soon or the current patches are close, I can start on top of the existing
patches. Otherwise maybe we'd like to improve the existing patches? Thanks for the info! 

> Timeline store to read events from HDFS
> ---------------------------------------
>
>                 Key: YARN-3942
>                 URL: https://issues.apache.org/jira/browse/YARN-3942
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: timelineserver
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-3942-leveldb.001.patch, YARN-3942-leveldb.002.patch, YARN-3942.001.patch
>
>
> This adds a new timeline store plugin that is intended as a stop-gap measure to mitigate
some of the issues we've seen with ATS v1 while waiting for ATS v2.  The intent of this plugin
is to provide a workable solution for running the Tez UI against the timeline server on a
large-scale clusters running many thousands of jobs per day.



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