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Hudson commented on HDFS-8824: ------------------------------ FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #277 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/277/]) HDFS-8824. Do not use small blocks for balancing the cluster. (szetszwo: rev 2bc0a4f299fbd8035e29f62ce9cd22e209a62805) * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java * hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java * hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java > Do not use small blocks for balancing the cluster > ------------------------------------------------- > > Key: HDFS-8824 > URL: https://issues.apache.org/jira/browse/HDFS-8824 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: balancer & mover > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Fix For: 2.8.0 > > Attachments: h8824_20150727b.patch, h8824_20150811b.patch > > > Balancer gets datanode block lists from NN and then move the blocks in order > to balance the cluster. It should not use the blocks with small size since > moving the small blocks generates a lot of overhead and the small blocks do > not help balancing the cluster much. -- This message was sent by Atlassian JIRA (v6.3.4#6332)