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ASF GitHub Bot commented on HDFS-17019: --------------------------------------- haiyang1987 commented on PR #5671: URL: https://github.com/apache/hadoop/pull/5671#issuecomment-1559079878 Update PR. @ZanderXu please help review it again. Thanks. > Optimize the logic for reconfigure slow peer enable for Namenode > ----------------------------------------------------------------- > > Key: HDFS-17019 > URL: https://issues.apache.org/jira/browse/HDFS-17019 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Haiyang Hu > Assignee: Haiyang Hu > Priority: Major > Labels: pull-request-available > > The logic of Reconfigure slow peer enable for Namenode requires the following > optimizations: > 1.Make SlowPeerTracker slowPeerTracker volatile. > 2.When starting the NameNode, if the parameter > dfs.datanode.peer.stats.enabled is set to false, > DatanodeManager#startSlowPeerCollector() will not call, as a result the Slow > peers collection thread 'slowPeerCollectorDaemon' will not be started . > If the parameter dfs.datanode.peer.stats.enabled is dynamically refreshed to > true, the current logic will not call > DatanodeManager#startSlowPeerCollector(), which to thread > 'slowPeerCollectorDaemon' not started as expected, so we will optimize here -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org