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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4705) ATS 1.5 parse pipeline to consider handling open() events recoverably
Date Fri, 19 Feb 2016 20:09:18 GMT

     [ https://issues.apache.org/jira/browse/YARN-4705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuan Gong updated YARN-4705:
----------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: YARN-4233

> ATS 1.5 parse pipeline to consider handling open() events recoverably
> ---------------------------------------------------------------------
>
>                 Key: YARN-4705
>                 URL: https://issues.apache.org/jira/browse/YARN-4705
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Priority: Minor
>
> During one of my own timeline test runs, I've been seeing a stack trace warning that
the CRC check failed in Filesystem.open() file; something the FS was ignoring.
> Even though its swallowed (and probably not the cause of my test failure), looking at
the code in {{LogInfo.parsePath()}} that it considers a failure to open a file as unrecoverable.

> on some filesystems, this may not be the case, i.e. if its open for writing it may not
be available for reading; checksums maybe a similar issue. 
> Perhaps a failure at open() should be viewed as recoverable while the app is still running?



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