[ https://issues.apache.org/jira/browse/HDFS-16757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ZanderXu reassigned HDFS-16757: ------------------------------- Assignee: Haiyang Hu (was: ZanderXu) > 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: Haiyang Hu > 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: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org