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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-603) Most replica related classes cannot be accessed
Date Wed, 09 Sep 2009 06:35:57 GMT

    [ https://issues.apache.org/jira/browse/HDFS-603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752932#action_12752932
] 

Hairong Kuang commented on HDFS-603:
------------------------------------

Tthe two changes to ReplicasMap are necessary. For the newly introduced method get(Replica
r), the returned reference should be the same as the input reference.

> Most replica related classes cannot be accessed
> -----------------------------------------------
>
>                 Key: HDFS-603
>                 URL: https://issues.apache.org/jira/browse/HDFS-603
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>    Affects Versions: Append Branch
>            Reporter: Tsz Wo (Nicholas), SZE
>             Fix For: Append Branch
>
>         Attachments: h603_20090908.patch
>
>
> Currently, there are several replica related classes in org.apache.hadoop.hdfs.server.datanode:
> - ReplicaInfo
> - ReplicaInPipelineInterface
> - ReplicaInPipeline
> - ReplicaUnderRecovery
> - ReplicaWaitingToBeRecovered
> - ReplicaBeingWritten
> - FinalizedReplica
> All these classes cannot be accessed above FSDatasetInterface.

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