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https://issues.apache.org/jira/browse/HDFS-17785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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fuchaohong updated HDFS-17785:
------------------------------
    Description: 
Currently, bandwidth can only be configured for individual DataNodes through 
the reconfig command. It is expected that bandwidth settings for all DataNodes 
could be managed centrally via dfsadmin.
{code:java}
hdfs dfsadmin -setTransferBandwidth 100000 {code}
 

  was:
Currently, bandwidth can only be configured for individual DataNodes through 
the reconfig command. It is expected that bandwidth settings for all DataNodes 
could be managed centrally via dfsadmin.
{code:java}
hdfs dfsadmin  -setTransferBandwidth 100000 {code}
 


> DFSAdmin supports setting the bandwidth for transferThrottler.
> --------------------------------------------------------------
>
>                 Key: HDFS-17785
>                 URL: https://issues.apache.org/jira/browse/HDFS-17785
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: fuchaohong
>            Priority: Major
>
> Currently, bandwidth can only be configured for individual DataNodes through 
> the reconfig command. It is expected that bandwidth settings for all 
> DataNodes could be managed centrally via dfsadmin.
> {code:java}
> hdfs dfsadmin -setTransferBandwidth 100000 {code}
>  



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