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Hudson commented on HDFS-14632: ------------------------------- FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #16878 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/16878/]) HDFS-14632. Reduce useless #getNumLiveDataNodes call in SafeModeMonitor. (yqlin: rev 993dc8726b7d40ac832ae3e23b64e8541b62c4bd) * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManagerSafeMode.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerSafeMode.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSafeMode.java > Reduce useless #getNumLiveDataNodes call in SafeModeMonitor > ----------------------------------------------------------- > > Key: HDFS-14632 > URL: https://issues.apache.org/jira/browse/HDFS-14632 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode > Affects Versions: 2.9.0 > Reporter: He Xiaoqiao > Assignee: He Xiaoqiao > Priority: Major > Fix For: 2.10.0, 3.3.0 > > Attachments: HDFS-14632.001.patch, HDFS-14632.002.patch, > HDFS-14632.003.patch, HDFS-14632.004.patch, HDFS-14632.005.patch, > HDFS-14632.006.patch > > > As mentioned HDFS-14171, SafeModeMonitor invoke useless #getNumLiveDataNodes > if not config DataNode threshold. > The root cause is BlockManagerSafeMode#reportStatus(for trunk branch) or > SafeModeInfo#reportStatus (for branch-2.8) print status every 20 seconds and > invoke SafeModeInfo#getTurnOffTip. > Optimize with checking if config DataNode threshold then decide to if get > number of live DataNodes. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org