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https://issues.apache.org/jira/browse/HDFS-9214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaobing Zhou updated HDFS-9214:
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Release Note:
Steps to reconfigure:
1. change value of the parameter in corresponding xml configuration file
2. hdfs dfsadmin -reconfig datanode <dn_addr>:<ipc_port> start
3. repeat step 2 until all DNs are reconfigured
4. to check status of the most recent reconfigure operation, run
hdfs dfsadmin -reconfig datanode <dn_addr>:<ipc_port> status
5. to query a list reconfigurable properties on DN, run
hdfs dfsadmin -reconfig datanode <dn_addr>:<ipc_port> properties
> Support reconfiguring dfs.datanode.balance.max.concurrent.moves without DN
> restart
> ----------------------------------------------------------------------------------
>
> Key: HDFS-9214
> URL: https://issues.apache.org/jira/browse/HDFS-9214
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.7.0
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Fix For: 2.8.0
>
> Attachments: HDFS-9214.001.patch, HDFS-9214.002.patch,
> HDFS-9214.003.patch, HDFS-9214.004.patch, HDFS-9214.005.patch
>
>
> This is to reconfigure
> {code}
> dfs.datanode.balance.max.concurrent.moves
> {code} without restarting DN.
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