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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5178) DataTransferProtocol changes for supporting mutiple storages per DN
Date Fri, 04 Oct 2013 14:11:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13786169#comment-13786169
] 

Junping Du commented on HDFS-5178:
----------------------------------

The test failure on TestDataTransferProtocol seems unrelated as same failure happens on HDFS-2832
branch already (related to chooseTarget()). Hi [~szetszwo] and [~arpitagarwal], do you think
we can fix unit test later?

> 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
>         Attachments: HDFS-5178-v1.patch, HDFS-5178-v2.patch
>
>
> 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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