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Posted to hdfs-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/04/30 00:55:06 UTC

[jira] [Resolved] (HDFS-8272) Erasure Coding: simplify the retry logic in DFSStripedInputStream (stateful read)

     [ https://issues.apache.org/jira/browse/HDFS-8272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhe Zhang resolved HDFS-8272.
-----------------------------
       Resolution: Fixed
    Fix Version/s: HDFS-7285
     Hadoop Flags: Reviewed

> Erasure Coding: simplify the retry logic in DFSStripedInputStream (stateful read)
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-8272
>                 URL: https://issues.apache.org/jira/browse/HDFS-8272
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8272.002.patch, h8272-HDFS-7285.000.patch, h8272-HDFS-7285.001.patch
>
>
> Currently in DFSStripedInputStream the retry logic is still the same with DFSInputStream. More specifically, every failed read will try to search for another source node. And an exception is thrown when no new source node can be identified. This logic is not appropriate for EC inputstream and can be simplified.



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