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From "Virajith Jalaparti (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12893) [READ] Support replication of Provided blocks with non-default topologies.
Date Tue, 05 Dec 2017 23:04:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Virajith Jalaparti updated HDFS-12893:
--------------------------------------
    Description: {{chooseSourceDatanodes}} returns the {{ProvidedDatanodeDescriptor}} as the
source of Provided blocks. As this isn't a physical datanode and doesn't exist the topology,
{{ReplicationWork.chooseTargets}} might fail depending on the chosen {{BlockPlacementPolicy}}
implementation. This JIRA aims to fix this issue.  (was: {{chooseSourceDatanodes}} returns
the {{ProvidedDatanodeDescriptor}} as the source of Provided blocks. As this isn't a physical
datanode and doesn't exist the topology, {{ReplicationWork.chooseTargets}} might fail (depending
on the {{BlockPlacementPolicy}} chosen). This JIRA aims to fix this issue.)

> [READ] Support replication of Provided blocks with non-default topologies.
> --------------------------------------------------------------------------
>
>                 Key: HDFS-12893
>                 URL: https://issues.apache.org/jira/browse/HDFS-12893
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Virajith Jalaparti
>            Assignee: Virajith Jalaparti
>         Attachments: HDFS-12893-HDFS-9806.001.patch
>
>
> {{chooseSourceDatanodes}} returns the {{ProvidedDatanodeDescriptor}} as the source of
Provided blocks. As this isn't a physical datanode and doesn't exist the topology, {{ReplicationWork.chooseTargets}}
might fail depending on the chosen {{BlockPlacementPolicy}} implementation. This JIRA aims
to fix this issue.



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