fengnanli commented on a change in pull request #2578:
URL: https://github.com/apache/hadoop/pull/2578#discussion_r551152535
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMetrics.java
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@@ -161,6 +163,65 @@ public void testReceivePacketMetrics() throws Exception {
}
}
+ @Test
+ public void testReceivePacketSlowMetrics() throws Exception {
+ Configuration conf = new HdfsConfiguration();
+ final int interval = 1;
+ conf.set(DFSConfigKeys.DFS_METRICS_PERCENTILES_INTERVALS_KEY, "" +
interval);
+ MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
+ .numDataNodes(3).build();
+ try {
+ cluster.waitActive();
+ DistributedFileSystem fs = cluster.getFileSystem();
+ final DataNodeFaultInjector injector =
+ Mockito.mock(DataNodeFaultInjector.class);
+ Mockito.doAnswer(new Answer() {
+ @Override
+ public Object answer(InvocationOnMock invocationOnMock)
Review comment:
Done
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