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https://issues.apache.org/jira/browse/HDFS-3105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13232737#comment-13232737
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Suresh Srinivas commented on HDFS-3105:
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Comments:
# Not sure how UpdateReplicaUnderRecoveryResponseProto can have storage instead
of block? Also do you need DatanodeStorage or just storageID sufficient?
# Please do not update service protocol version, as this is with in a release.
This is not used any more and we need to clean this up at some point in time.
> Add DatanodeStorage information to block recovery
> -------------------------------------------------
>
> Key: HDFS-3105
> URL: https://issues.apache.org/jira/browse/HDFS-3105
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node, hdfs client
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h3105_20120315.patch, h3105_20120315b.patch,
> h3105_20120316.patch, h3105_20120316b.patch
>
>
> When recovering a block, the namenode and client do not have the datanode
> storage information of the block. So namenode cannot add the block to the
> corresponding datanode storge block list.
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