[ https://issues.apache.org/jira/browse/HDFS-7639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14284182#comment-14284182 ]
Chen He commented on HDFS-7639: ------------------------------- Hi [~szetszwo], I am little bit confused about this JIRA. In HDFS-6595, maximium threads limits were added to avoid balancer overwhelm the datanode. If I am right, do you mean, we weaken the limits and make them non-blocking? > Remove the limitation imposed by dfs.balancer.moverThreads > ---------------------------------------------------------- > > Key: HDFS-7639 > URL: https://issues.apache.org/jira/browse/HDFS-7639 > Project: Hadoop HDFS > Issue Type: Improvement > Components: balancer & mover > Reporter: Tsz Wo Nicholas Sze > Assignee: Chen He > > In Balancer/Mover, the number of dispatcher threads > (dfs.balancer.moverThreads) limits the number of concurrent moves. Each > dispatcher thread sends request to a datanode and then is blocked for waiting > the response. We should remove such limitation. -- This message was sent by Atlassian JIRA (v6.3.4#6332)