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https://issues.apache.org/jira/browse/HDFS-509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HDFS-509:
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Attachment: (was: replicas1.patch)
> Redesisn DataNode volumeMap to include all types of Replicas
> ------------------------------------------------------------
>
> Key: HDFS-509
> URL: https://issues.apache.org/jira/browse/HDFS-509
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node
> Affects Versions: Append Branch
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: Append Branch
>
> Attachments: replicas.patch
>
>
> With the new append design, replicas at a DataNode could be in one of the
> five states: Finalized, ReplicaBeingWritten, ReplicaWaitingToBeRecovered,
> ReplicaUnderRecovery, and Temporay. This jira is to
> 1. define the in-memory representation of these five types of replicas
> 2. redefine volumeMap to include all five types of replicas and remove
> ongoingCreates map.
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