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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7163) WebHdfsFileSystem should retry reads according to the configured retry policy.
Date Wed, 28 Oct 2015 12:56:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Payne updated HDFS-7163:
-----------------------------
    Attachment:     (was: HDFS-7163.001.patch)

> WebHdfsFileSystem should retry reads according to the configured retry policy.
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-7163
>                 URL: https://issues.apache.org/jira/browse/HDFS-7163
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 3.0.0, 2.5.1
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: WebHDFS Read Retry.pdf
>
>
> In the current implementation of WebHdfsFileSystem, opens are retried according to the
configured retry policy, but not reads. Therefore, if a connection goes down while data is
being read, the read will fail and the read will have to be retried by the client code.
> Also, after a connection has been established, the next read (or seek/read) will fail
and the read will have to be restarted by the client code.



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