[ https://issues.apache.org/jira/browse/HDFS-17313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
huangzhaobo resolved HDFS-17313. -------------------------------- Resolution: Fixed > dfsadmin -reconfig option to start/query reconfig on all live namenodes. > ------------------------------------------------------------------------ > > Key: HDFS-17313 > URL: https://issues.apache.org/jira/browse/HDFS-17313 > Project: Hadoop HDFS > Issue Type: New Feature > Reporter: huangzhaobo > Assignee: huangzhaobo > Priority: Major > Labels: pull-request-available > > https://issues.apache.org/jira/browse/HDFS-16568 Support batch refreshing of > datanode configurations. > There are several nn in the HA or Federated Cluster, and this ticket > implements batch refreshing of nn configurations. > *Implementation method* > # Use the DFSUtil.getNNServiceRpcAddressesForCluster method to parse the > configuration and obtain the addresses of all nn's > # Using two worker threads, currently does not support configuring the > number of worker threads (will be implemented in other ticket if necessary) > *Sample outputs* > {code:java} > $ bin/hdfs dfsadmin -reconfig namenode livenodes start > Started reconfiguration task on node [localhost:50034]. > Started reconfiguration task on node [localhost:50036]. > Started reconfiguration task on node [localhost:50038]. > Started reconfiguration task on node [localhost:50040]. > Starting of reconfiguration task successful on 4 nodes, failed on 0 nodes. > $ bin/hdfs dfsadmin -reconfig namenode livenodes status > Reconfiguring status for node [localhost:50034] > SUCCESS: Changed property dfs.heartbeat.interval > From: "5" > To: "3" > Reconfiguring status for node [localhost:50036] > SUCCESS: Changed property dfs.heartbeat.interval > From: "5" > To: "3" > Reconfiguring status for node [localhost:50038] > SUCCESS: Changed property dfs.heartbeat.interval > From: "5" > To: "3" > Reconfiguring status for node [localhost:50040] > SUCCESS: Changed property dfs.heartbeat.interval > From: "5" > To: "3" > Retrieval of reconfiguration status successful on 4 nodes, failed on 0 > nodes.{code} -- 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