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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-892) optionally use Avro for namenode RPC
Date Mon, 11 Jan 2010 22:28:54 GMT

     [ https://issues.apache.org/jira/browse/HDFS-892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Doug Cutting updated HDFS-892:

    Attachment: HDFS-892.patch

Here's a first version of this. Default behaviour is unchanged.  Passing Ant
-Dtest.hdfs.rpc.engine=org.apache.hadoop.ipc.AvroRpcEngine will cause Avro reflection to be
used on all NN protocols, and Avro-format RPC calls to be made over a Hadoop RPC tunnel. 
Some but not all tests yet pass in this configuration.  The primary intent of this issue is
to test that Avro reflect can correctly characterize all of the Namenode's protocols.

> optionally use Avro for namenode RPC
> ------------------------------------
>                 Key: HDFS-892
>                 URL: https://issues.apache.org/jira/browse/HDFS-892
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: Doug Cutting
>            Assignee: Doug Cutting
>             Fix For: 0.22.0
>         Attachments: HDFS-892.patch
> It should be possible to configure HDFS so that Avro is used for RPCs to the namenode.

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