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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10636) Modify ReplicaInfo to remove the assumption that replica metadata and data are stored in java.io.File.
Date Tue, 06 Sep 2016 22:17:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468790#comment-15468790
] 

Lei (Eddy) Xu commented on HDFS-10636:
--------------------------------------

Hi, [~virajith],  Thanks for the updates. And thanks for [~jpallas]'s inputs. 

I have a few questions remained:
* Should {{LocalReplica}} and {{ProvidedReplica}} extend {{FinalizedReplica}}? It seems the
opposite way in the current patch. Similarly concerns for {{ReplicaBeingWritten}} and {{LocalReplicaBeingWritten}}.
* {{ReplicaBuilder#buildLocalReplicaInPipeline}} can be private.

The rest looks good to me. 


> Modify ReplicaInfo to remove the assumption that replica metadata and data are stored
in java.io.File.
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10636
>                 URL: https://issues.apache.org/jira/browse/HDFS-10636
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, fs
>            Reporter: Virajith Jalaparti
>            Assignee: Virajith Jalaparti
>         Attachments: HDFS-10636.001.patch, HDFS-10636.002.patch, HDFS-10636.003.patch,
HDFS-10636.004.patch, HDFS-10636.005.patch, HDFS-10636.006.patch, HDFS-10636.007.patch
>
>
> Replace java.io.File related APIs from {{ReplicaInfo}}, and enable the definition of
new {{ReplicaInfo}} sub-classes whose metadata and data can be present on external storages
(HDFS-9806). 



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