[ https://issues.apache.org/jira/browse/HDFS-15022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yang Yun updated HDFS-15022: ---------------------------- Attachment: link_block_across_datanode.pdf > Add new RPC to transfer data block with external shell script across Datanode > ----------------------------------------------------------------------------- > > Key: HDFS-15022 > URL: https://issues.apache.org/jira/browse/HDFS-15022 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Reporter: Yang Yun > Assignee: Yang Yun > Priority: Minor > Attachments: HDFS-15022.patch, HDFS-15022.patch, > link_block_across_datanode.pdf > > > Replicating data block is expensive when some Datanodes are down, especially > for slow storage. Add a new RPC to replicate block with external shell script > across datanode. User can choose more effective way to copy block files. > In our setup, Archive volume are configured to remote reliable storage. we > just add a new link file in new datanode to the remote file when do > replication. > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org