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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4538) allow use of legacy blockreader
Date Fri, 22 Mar 2013 22:31:15 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-4538:
---------------------------------------

    Attachment: HDFS-4538.004.patch

This patch adds {{TestParallelShortCircuitLegacyRead}}, which runs the full {{TestParallelReadUtil}}
suite with the legacy block reader.

I also removed the setting of the new-style SCR from {{testStablePositionAfterCorruptRead}},
and moved it to a separate test called {{testBothOldAndNewShortCircuitConfigured}}.  The latter
only runs if {{DomainSocket}} is loaded.

Finally, I removed another unwanted warning which showed up when configuring legacy SCR.
                
> allow use of legacy blockreader
> -------------------------------
>
>                 Key: HDFS-4538
>                 URL: https://issues.apache.org/jira/browse/HDFS-4538
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, hdfs-client, performance
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-4538.001.patch, HDFS-4538.002.patch, HDFS-4538.003.patch, HDFS-4538.004.patch
>
>
> Some users might want to use the legacy block reader, because it is available on Windows,
whereas the secure solution has not yet been implemented there.  As described in the mailing
list discussion, let's enable this.

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