[
https://issues.apache.org/jira/browse/HDFS-16757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated HDFS-16757:
----------------------------------
Labels: pull-request-available (was: )
> Add a new method copyBlockCrossNamespace to DataNode
> ----------------------------------------------------
>
> Key: HDFS-16757
> URL: https://issues.apache.org/jira/browse/HDFS-16757
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Minor
> Labels: pull-request-available
>
> Add a new method copyBlockCrossNamespace in DataTransferProtocol at the
> DataNode Side.
> This method will copy a source block from one namespace to a target block
> from a different namespace. If the target DN is the same with the current DN,
> this method will copy the block via HardLink. If the target DN is different
> with the current DN, this method will copy the block via TransferBlock.
> This method will contains some parameters:
> * ExtendedBlock sourceBlock
> * Token<BlockTokenIdentifier> sourceBlockToken
> * ExtendedBlock targetBlock
> * Token<BlockTokenIdentifier> targetBlockToken
> * DatanodeInfo targetDN
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
