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https://issues.apache.org/jira/browse/HDFS-15941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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JiangHua Zhu reassigned HDFS-15941:
-----------------------------------

    Assignee: JiangHua Zhu

> Solve the problem that the inspection period of HeartbeatManager#Monitor can 
> be configured
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-15941
>                 URL: https://issues.apache.org/jira/browse/HDFS-15941
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Major
>
> Now when HeartbeatManager#Monitor checks whether the datanode is healthy, it 
> does an action every 5 seconds. We should set up configurable.
> Monitor#run()  {
>  ......
>        try {
>           Thread.sleep(5000);  // 5 seconds
>         } catch (InterruptedException ignored) {
>         }
> ......
> }



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