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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-9386) Erasure coding: updateBlockForPipeline sometimes returns non-striped block for striped file
Date Fri, 01 Sep 2017 00:34:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang resolved HDFS-9386.
-------------------------------
          Resolution: Cannot Reproduce
    Target Version/s:   (was: )

Haven't seen this recently and bug is two years old, resolving.

> Erasure coding: updateBlockForPipeline sometimes returns non-striped block for striped
file
> -------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9386
>                 URL: https://issues.apache.org/jira/browse/HDFS-9386
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Zhe Zhang
>
> I've seen this bug a few times. The returned {{LocatedBlock}} from {{updateBlockForPipeline}}
is sometimes not {{LocatedStripedBlock}}. However, {{FSNamesystem#bumpBlockGenerationStamp}}
did return a {{LocatedStripedBlock}}. Maybe a bug in PB. I'm still debugging.



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