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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-26712) Single disk broken causing YarnShuffleSerivce not available
Date Tue, 26 Feb 2019 15:41:01 GMT

     [ https://issues.apache.org/jira/browse/SPARK-26712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen resolved SPARK-26712.
-------------------------------
    Resolution: Won't Fix

> Single disk broken causing YarnShuffleSerivce not available
> -----------------------------------------------------------
>
>                 Key: SPARK-26712
>                 URL: https://issues.apache.org/jira/browse/SPARK-26712
>             Project: Spark
>          Issue Type: Bug
>          Components: Shuffle
>    Affects Versions: 2.1.0, 2.4.0
>            Reporter: liupengcheng
>            Priority: Major
>
> Currently, `ExecutorShuffleInfo` can be recovered from file if NM recovery enabled, however,
the recovery file is under a single directory, which may be unavailable if disk broken. So
if a NM restart happen(may be caused by kill or some reason), the shuffle service can not
startĀ even if there are executors on the node.
> This may finally cause job failures(if node or executors on it not blacklisted), or at
least, it will cause resource waste.(shuffle from this node always failed.)
> For long running spark applications, this problem may be more serious.
> So I think we should support multi directories(multi disk) for this recovery. and change
to good directory when the disk of current directory is broken.



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