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HDFS-16350. Datanode start time should be set after RPC server starts successfully (#3711)

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(cherry picked from commit cdc13e91b6)
This commit is contained in:
Viraj Jasani 2021-11-25 07:53:04 +05:30 committed by Hui Fei
parent 3b79e0f794
commit a9125bba24
2 changed files with 3 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@ -416,7 +416,7 @@ private static Tracer createTracer(Configuration conf) {
private ScheduledThreadPoolExecutor metricsLoggerTimer;
private final long startTime = now();
private long startTime = 0;
/**
* Creates a dummy DataNode for testing purpose.
@ -2681,6 +2681,7 @@ public void runDatanodeDaemon() throws IOException {
}
ipcServer.setTracer(tracer);
ipcServer.start();
startTime = now();
startPlugins(getConf());
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java
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@ -77,6 +77,7 @@ public void testDataNodeMXBean() throws Exception {
Assert.assertEquals(datanode.getVersion(),version);
// get attribute "DNStartedTimeInMillis"
long startTime = (long) mbs.getAttribute(mxbeanName, "DNStartedTimeInMillis");
Assert.assertTrue("Datanode start time should not be 0", startTime > 0);
Assert.assertEquals(datanode.getDNStartedTimeInMillis(), startTime);
// get attribute "SotfwareVersion"
String softwareVersion =