tomscut commented on a change in pull request #3596: URL: https://github.com/apache/hadoop/pull/3596#discussion_r742015162
########## File path: hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java ########## @@ -511,7 +505,16 @@ private boolean isInactive(DatanodeInfo datanode) { private boolean isSlowNode(String dnUuid) { return avoidSlowDataNodesForRead && slowNodesUuidSet.contains(dnUuid); } - + + public void setAvoidSlowDataNodesForReadEnabled(boolean enable) { Review comment: Thanks @haiyang1987 for your comment. I think the logic right now is no problem. I mean that only when ```excludeSlowNodesEnabled``` is set to true we ```startSlowPeerCollector```, and ```stopSlowPeerCollector``` when ```excludeSlowNodesEnabled``` is set to false. There is no extra overhead. What do you think? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org