TestBalancer can fail when datanode utilization and avgUtilization is exactly
same.
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Key: HDFS-2491
URL: https://issues.apache.org/jira/browse/HDFS-2491
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.22.0, 0.23.0, 0.24.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
Stack Trace:
junit.framework.AssertionFailedError: 127.0.0.1:60986is not an underUtilized
node: utilization=22.0 avgUtilization=22.0 threshold=10.0
at org.apache.hadoop.hdfs.server.balancer.Balancer.initNodes(Balancer.java:1014)
at org.apache.hadoop.hdfs.server.balancer.Balancer.initNodes(Balancer.java:953)
at org.apache.hadoop.hdfs.server.balancer.Balancer.run(Balancer.java:1502)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.runBalancer(TestBalancer.java:247)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.test(TestBalancer.java:234)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.twoNodeTest(TestBalancer.java:312)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.__CLR2_4_39j3j5b10ou(TestBalancer.java:328)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancer0(TestBalancer.java:324)
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