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https://issues.apache.org/jira/browse/HDFS-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906313#action_12906313
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dhruba borthakur commented on HDFS-1365:
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The blockPoolId identifies a storage block pool and a namespace id identifies a
namespace. I can understand that. c In phase 1, a hdfs.format command allocates
a new blockpoolId and a namespace id. these will be stored in the namenode's
version file?
can u pl explain what a clusterId is needed for? Thanks.
> HDFS federation: propose ClusterID and BlockPoolID format
> ---------------------------------------------------------
>
> Key: HDFS-1365
> URL: https://issues.apache.org/jira/browse/HDFS-1365
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Tanping Wang
> Assignee: Tanping Wang
> Fix For: Federation Branch
>
>
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