b963818621c200160bb37624f177bdcb059de4eb,hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java,TestBalancerBandwidth,testBalancerBandwidth,#,50
Before Change
assertEquals(newBandwidth, (long) datanodes.get(1).getBalancerBandwidth());
// verifies the dfsadmin command execution
args = new String[] { "-getBalancerBandwidth", dn1Address };
runGetBalancerBandwidthCmd(admin, args, dn1Proxy, newBandwidth);
args = new String[] { "-getBalancerBandwidth", dn2Address };
runGetBalancerBandwidthCmd(admin, args, dn2Proxy, newBandwidth);
} finally {
After Change
args = new String[] { "-getBalancerBandwidth", dn1Address };
runGetBalancerBandwidthCmd(admin, args, newBandwidth);
args = new String[] { "-getBalancerBandwidth", dn2Address };
runGetBalancerBandwidthCmd(admin, args, newBandwidth);
// Dynamically change balancer bandwidth to 0. Balancer bandwidth on the
// datanodes should remain as it was.