/// <summary>HADOOP-11932</summary>
/// <exception cref="System.Exception"/>
public virtual void TestHangOnSinkRead()
{
new ConfigBuilder().Add("*.period", 8).Add("test.sink.test.class", typeof(TestMetricsSystemImpl.TestSink
).FullName).Save(TestMetricsConfig.GetTestFilename("hadoop-metrics2-test"));
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
ms.Start();
try
{
CountDownLatch collectingLatch = new CountDownLatch(1);
MetricsSink sink = new TestMetricsSystemImpl.TestClosableSink(collectingLatch);
ms.RegisterSink("closeableSink", "The sink will be used to test closeability", sink
);
// trigger metric collection first time
ms.OnTimerEvent();
// Make sure that sink is collecting metrics
Assert.True(collectingLatch.Await(1, TimeUnit.Seconds));
}
finally
{
ms.Stop();
}
}
public virtual void TestInitFirstVerifyStopInvokedImmediately()
{
DefaultMetricsSystem.Shutdown();
new ConfigBuilder().Add("*.period", 8).Add("test.sink.test.class", typeof(TestMetricsSystemImpl.TestSink
).FullName).Add("test.*.source.filter.exclude", "s0").Add("test.source.s1.metric.filter.exclude"
, "X*").Add("test.sink.sink1.metric.filter.exclude", "Y*").Add("test.sink.sink2.metric.filter.exclude"
, "Y*").Save(TestMetricsConfig.GetTestFilename("hadoop-metrics2-test"));
//.add("test.sink.plugin.urls", getPluginUrlsAsString())
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
ms.Start();
ms.Register("s0", "s0 desc", new TestMetricsSystemImpl.TestSource("s0rec"));
TestMetricsSystemImpl.TestSource s1 = ms.Register("s1", "s1 desc", new TestMetricsSystemImpl.TestSource
("s1rec"));
s1.c1.Incr();
s1.xxx.Incr();
s1.g1.Set(2);
s1.yyy.Incr(2);
s1.s1.Add(0);
MetricsSink sink1 = Org.Mockito.Mockito.Mock <MetricsSink>();
MetricsSink sink2 = Org.Mockito.Mockito.Mock <MetricsSink>();
ms.RegisterSink("sink1", "sink1 desc", sink1);
ms.RegisterSink("sink2", "sink2 desc", sink2);
ms.PublishMetricsNow();
// publish the metrics
ms.Stop();
ms.Shutdown();
//When we call stop, at most two sources will be consumed by each sink thread.
Org.Mockito.Mockito.Verify(sink1, Org.Mockito.Mockito.AtMost(2)).PutMetrics(r1.Capture
());
IList <MetricsRecord> mr1 = r1.GetAllValues();
Org.Mockito.Mockito.Verify(sink2, Org.Mockito.Mockito.AtMost(2)).PutMetrics(r2.Capture
());
IList <MetricsRecord> mr2 = r2.GetAllValues();
if (mr1.Count != 0 && mr2.Count != 0)
{
CheckMetricsRecords(mr1);
MoreAsserts.AssertEquals("output", mr1, mr2);
}
else
{
if (mr1.Count != 0)
{
CheckMetricsRecords(mr1);
}
else
{
if (mr2.Count != 0)
{
CheckMetricsRecords(mr2);
}
}
}
}
public virtual void TestQSize()
{
new ConfigBuilder().Add("*.period", 8).Add("test.sink.test.class", typeof(TestMetricsSystemImpl.TestSink
).FullName).Save(TestMetricsConfig.GetTestFilename("hadoop-metrics2-test"));
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
CountDownLatch proceedSignal = new CountDownLatch(1);
CountDownLatch reachedPutMetricSignal = new CountDownLatch(1);
ms.Start();
try
{
MetricsSink slowSink = Org.Mockito.Mockito.Mock <MetricsSink>();
MetricsSink dataSink = Org.Mockito.Mockito.Mock <MetricsSink>();
ms.RegisterSink("slowSink", "The sink that will wait on putMetric", slowSink);
ms.RegisterSink("dataSink", "The sink I'll use to get info about slowSink", dataSink
);
Org.Mockito.Mockito.DoAnswer(new _Answer_457(reachedPutMetricSignal, proceedSignal
)).When(slowSink).PutMetrics(Any <MetricsRecord>());
// trigger metric collection first time
ms.OnTimerEvent();
Assert.True(reachedPutMetricSignal.Await(1, TimeUnit.Seconds));
// Now that the slow sink is still processing the first metric,
// its queue length should be 1 for the second collection.
ms.OnTimerEvent();
Org.Mockito.Mockito.Verify(dataSink, Org.Mockito.Mockito.Timeout(500).Times(2)).PutMetrics
(r1.Capture());
IList <MetricsRecord> mr = r1.GetAllValues();
Number qSize = Iterables.Find(mr[1].Metrics(), new _Predicate_475()).Value();
Assert.Equal(1, qSize);
}
finally
{
proceedSignal.CountDown();
ms.Stop();
}
}
public virtual void TestHangingSink()
{
new ConfigBuilder().Add("*.period", 8).Add("test.sink.test.class", typeof(TestMetricsSystemImpl.TestSink
).FullName).Add("test.sink.hanging.retry.delay", "1").Add("test.sink.hanging.retry.backoff"
, "1.01").Add("test.sink.hanging.retry.count", "0").Save(TestMetricsConfig.GetTestFilename
("hadoop-metrics2-test"));
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
ms.Start();
TestMetricsSystemImpl.TestSource s = ms.Register("s3", "s3 desc", new TestMetricsSystemImpl.TestSource
("s3rec"));
s.c1.Incr();
TestMetricsSystemImpl.HangingSink hanging = new TestMetricsSystemImpl.HangingSink
();
ms.RegisterSink("hanging", "Hang the sink!", hanging);
ms.PublishMetricsNow();
Assert.Equal(1L, ms.droppedPubAll.Value());
NUnit.Framework.Assert.IsFalse(hanging.GetInterrupted());
ms.Stop();
ms.Shutdown();
Assert.True(hanging.GetInterrupted());
Assert.True("The sink didn't get called after its first hang "
+ "for subsequent records.", hanging.GetGotCalledSecondTime());
}
public virtual void TestMultiThreadedPublish()
{
int numThreads = 10;
new ConfigBuilder().Add("*.period", 80).Add("test.sink.collector." + MetricsConfig
.QueueCapacityKey, numThreads).Save(TestMetricsConfig.GetTestFilename("hadoop-metrics2-test"
));
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
ms.Start();
TestMetricsSystemImpl.CollectingSink sink = new TestMetricsSystemImpl.CollectingSink
(numThreads);
ms.RegisterSink("collector", "Collector of values from all threads.", sink);
TestMetricsSystemImpl.TestSource[] sources = new TestMetricsSystemImpl.TestSource
[numThreads];
Thread[] threads = new Thread[numThreads];
string[] results = new string[numThreads];
CyclicBarrier barrier1 = new CyclicBarrier(numThreads);
CyclicBarrier barrier2 = new CyclicBarrier(numThreads);
for (int i = 0; i < numThreads; i++)
{
sources[i] = ms.Register("threadSource" + i, "A source of my threaded goodness.",
new TestMetricsSystemImpl.TestSource("threadSourceRec" + i));
threads[i] = new Thread(new _Runnable_194(results, sink, barrier1, sources
, ms, barrier2), string.Empty + i);
}
// Wait for all the threads to come here so we can hammer
// the system at the same time
// Since some other thread may have snatched my metric,
// I need to wait for the threads to finish before checking.
foreach (Thread t in threads)
{
t.Start();
}
foreach (Thread t_1 in threads)
{
t_1.Join();
}
Assert.Equal(0L, ms.droppedPubAll.Value());
Assert.True(StringUtils.Join("\n", Arrays.AsList(results)), Iterables
.All(Arrays.AsList(results), new _Predicate_240()));
ms.Stop();
ms.Shutdown();
}
public virtual void TestGangliaMetrics2()
{
ConfigBuilder cb = new ConfigBuilder().Add("default.period", 10).Add("test.sink.gsink30.context"
, "test").Add("test.sink.gsink31.context", "test").Save(TestMetricsConfig.GetTestFilename
("hadoop-metrics2-test"));
// filter out only "test"
// filter out only "test"
MetricsSystemImpl ms = new MetricsSystemImpl("Test");
ms.Start();
TestGangliaMetrics.TestSource s1 = ms.Register("s1", "s1 desc", new TestGangliaMetrics.TestSource
("s1rec"));
s1.c1.Incr();
s1.xxx.Incr();
s1.g1.Set(2);
s1.yyy.Incr(2);
s1.s1.Add(0);
int expectedCountFromGanglia30 = expectedMetrics.Length;
int expectedCountFromGanglia31 = 2 * expectedMetrics.Length;
// Setup test for GangliaSink30
AbstractGangliaSink gsink30 = new GangliaSink30();
gsink30.Init(cb.Subset("test"));
TestGangliaMetrics.MockDatagramSocket mockds30 = new TestGangliaMetrics.MockDatagramSocket
(this);
GangliaMetricsTestHelper.SetDatagramSocket(gsink30, mockds30);
// Setup test for GangliaSink31
AbstractGangliaSink gsink31 = new GangliaSink31();
gsink31.Init(cb.Subset("test"));
TestGangliaMetrics.MockDatagramSocket mockds31 = new TestGangliaMetrics.MockDatagramSocket
(this);
GangliaMetricsTestHelper.SetDatagramSocket(gsink31, mockds31);
// register the sinks
ms.Register("gsink30", "gsink30 desc", gsink30);
ms.Register("gsink31", "gsink31 desc", gsink31);
ms.PublishMetricsNow();
// publish the metrics
ms.Stop();
// check GanfliaSink30 data
CheckMetrics(mockds30.GetCapturedSend(), expectedCountFromGanglia30);
// check GanfliaSink31 data
CheckMetrics(mockds31.GetCapturedSend(), expectedCountFromGanglia31);
}
