[jira] [Created] (TWILL-104) Enable users to specify a different node than root of Zookeeper for Twill application data

["Mike Walch (JIRA)" <ji...@apache.org>]

Mike Walch created TWILL-104:
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             Summary: Enable users to specify a different node than root of Zookeeper for Twill application data
                 Key: TWILL-104
                 URL: https://issues.apache.org/jira/browse/TWILL-104
             Project: Apache Twill
          Issue Type: Improvement
          Components: yarn
    Affects Versions: 0.3.0-incubating, 0.4.0-incubating, 0.5.0-incubating
            Reporter: Mike Walch


In YarnTwillRunnerService.watchLiveApps(), all child nodes of the Zookeeper root are considered Twill applications and are watched for changes.  On a cluster, other non-twill applications could be storing data in the same zookeeper.  It would be better if "/twill" was used for the root or if users could specify another root path in Zookeeper for Twill data.  Watching the Zookeeper nodes of non-twill applications could be causing the delay seen in TWILL-103.



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