secfree commented on a change in pull request #3847:
URL: https://github.com/apache/hadoop/pull/3847#discussion_r794380185
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMetrics.java
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@@ -654,4 +658,38 @@ public void testNNRpcMetricsWithFederationAndHA() throws
IOException {
assertCounter("HeartbeatsForns1-nn1NumOps", 1L, rb);
assertCounter("HeartbeatsNumOps", 4L, rb);
}
+
+ @Test
+ public void testNodeLocalMetrics() throws Exception {
+ Assume.assumeTrue(null == DomainSocket.getLoadingFailureReason());
+ Configuration conf = new HdfsConfiguration();
+ conf.setBoolean(HdfsClientConfigKeys.Read.ShortCircuit.KEY, true);
+ TemporarySocketDirectory sockDir = new TemporarySocketDirectory();
+ DomainSocket.disableBindPathValidation();
+ conf.set(DFSConfigKeys.DFS_DOMAIN_SOCKET_PATH_KEY,
+ new File(sockDir.getDir(),
+ "testNodeLocalMetrics._PORT.sock").getAbsolutePath());
+ MiniDFSCluster cluster = new
MiniDFSCluster.Builder(conf).numDataNodes(1).build();
+ try {
+ cluster.waitActive();
+ FileSystem fs = cluster.getFileSystem();
+ Path testFile = new Path("/testNodeLocalMetrics.txt");
+ DFSTestUtil.createFile(fs, testFile, 10L, (short)1, 1L);
+ DFSTestUtil.readFile(fs, testFile);
+ List<DataNode> datanodes = cluster.getDataNodes();
+ assertEquals(datanodes.size(), 1);
Review comment:
Thanks for your review. I've fixed it.
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