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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN
Date Thu, 19 Sep 2013 00:22:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771440#comment-13771440

Arpit Agarwal commented on HDFS-5178:

Junping, can you please hold off on this patch just a bit? I will be making a few protocol
changes as part of HDFS-4988.

> DataTransferProtocol changes for supporting mutiple storages per DN
> -------------------------------------------------------------------
>                 Key: HDFS-5178
>                 URL: https://issues.apache.org/jira/browse/HDFS-5178
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: Heterogeneous Storage (HDFS-2832)
>            Reporter: Junping Du
>            Assignee: Junping Du
> Per discussion in HDFS-5157, DataTransferProtocol should be updated to add StorageID
info in some methods, i.e. writeBlock(), replaceBlock(), etc.
> After that, BlockReceiver (sender also) and receiveBlock can operate on target storage
with new parameter.

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