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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9214) Support reconfiguring dfs.datanode.balance.max.concurrent.moves without DN restart
Date Thu, 31 Mar 2016 18:46:25 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobing Zhou updated HDFS-9214:
--------------------------------
    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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