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https://issues.apache.org/jira/browse/HDFS-1694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13001736#comment-13001736
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Suresh Srinivas commented on HDFS-1694:
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Changes:
# Addressed some TODO items:
# Made SimulatedFSDataset to include two hierarchys of storage one for DN and
one for BP. Made changes to initialize BP.
# Removing TODO where IOException is thrown. I had earlier intended to throw
block pool not found exception. But FSDataset has many IOExceptions thrown and
hence decided to leave it as IOException.
# Removed some TODO items from Datanode.java related to setting storageID. In
federation storage ID is set right after datanode storage recovery, after
handshake and prior to registration.
> SimulatedFSDataset changes to work with federation and multiple block pools
> ----------------------------------------------------------------------------
>
> Key: HDFS-1694
> URL: https://issues.apache.org/jira/browse/HDFS-1694
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: test
> Affects Versions: Federation Branch
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: Federation Branch
>
> Attachments: HDFS-1694.patch
>
>
> SimulatedFSDataset does not have the notion of multiple blocks pools. Changes
> equivalent FSDataset for federation is needed in SimulatedFSDataset.
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