haiyang1987 commented on code in PR #6279: URL: https://github.com/apache/hadoop/pull/6279#discussion_r1412725082
########## hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/SlowPeerDisabledTracker.java: ########## @@ -46,11 +46,6 @@ public class SlowPeerDisabledTracker extends SlowPeerTracker { public SlowPeerDisabledTracker(Configuration conf, Timer timer) { super(conf, timer); - final boolean dataNodePeerStatsEnabledVal = - conf.getBoolean(DFSConfigKeys.DFS_DATANODE_PEER_STATS_ENABLED_KEY, - DFSConfigKeys.DFS_DATANODE_PEER_STATS_ENABLED_DEFAULT); - Preconditions.checkArgument(!dataNodePeerStatsEnabledVal, - "SlowPeerDisabledTracker should only be used for disabled slow peer stats."); Review Comment: Maybe we need to keep this verification logic. when reconfigureSlowNodesParameters we can set the DFS_DATANODE_PEER_STATS_ENABLED_KEY value in the conf, such as: ``` case DFS_DATANODE_PEER_STATS_ENABLED_KEY: { Timer timer = new Timer(); if (newVal != null && !newVal.equalsIgnoreCase("true") && !newVal.equalsIgnoreCase( "false")) { throw new IllegalArgumentException(newVal + " is not boolean value"); } final boolean peerStatsEnabled = newVal == null ? DFS_DATANODE_PEER_STATS_ENABLED_DEFAULT : Boolean.parseBoolean(newVal); result = Boolean.toString(peerStatsEnabled); getConf().setBoolean(DFS_DATANODE_PEER_STATS_ENABLED_KEY, peerStatsEnabled); datanodeManager.initSlowPeerTracker(getConf(), timer, peerStatsEnabled); break; } ``` -- 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