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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3721) hsync support broke wire compatibility
Date Tue, 24 Jul 2012 20:58:35 GMT
Todd Lipcon created HDFS-3721:
---------------------------------

             Summary: hsync support broke wire compatibility
                 Key: HDFS-3721
                 URL: https://issues.apache.org/jira/browse/HDFS-3721
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node, hdfs client
    Affects Versions: 2.1.0-alpha
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Critical


HDFS-744 added support for hsync to the data transfer wire protocol. However, it actually
broke wire compatibility: if the client has hsync support but the server does not, the client
cannot write to the old cluster.

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