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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9620) Slow writer may fail permanently if pipeline breaks.
Date Thu, 07 Jan 2016 01:34:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-9620:
--------------------------------------
    Component/s: security
                 hdfs-client

> Slow writer may fail permanently if pipeline breaks.
> ----------------------------------------------------
>
>                 Key: HDFS-9620
>                 URL: https://issues.apache.org/jira/browse/HDFS-9620
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client, security
>            Reporter: Kihwal Lee
>            Priority: Critical
>
> During a block write to a datanode, if the block write time exceed the block token expiration,
the client will not be able to reestablish a block output stream. E.g. if a node in the pipeline
dies, the pipeline recovery won't work.



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