public virtual void TestMetricsCache()
{
MetricsSystem ms = new MetricsSystemImpl("cache");
ms.Start();
try
{
string p1 = "root1";
string leafQueueName = "root1.leaf";
QueueMetrics p1Metrics = QueueMetrics.ForQueue(ms, p1, null, true, conf);
Queue parentQueue1 = MockitoMaker.Make(MockitoMaker.Stub <Queue>().Returning(p1Metrics
).from.GetMetrics());
QueueMetrics metrics = QueueMetrics.ForQueue(ms, leafQueueName, parentQueue1, true
, conf);
NUnit.Framework.Assert.IsNotNull("QueueMetrics for A shoudn't be null", metrics);
// Re-register to check for cache hit, shouldn't blow up metrics-system...
// also, verify parent-metrics
QueueMetrics alterMetrics = QueueMetrics.ForQueue(ms, leafQueueName, parentQueue1
, true, conf);
NUnit.Framework.Assert.IsNotNull("QueueMetrics for alterMetrics shoudn't be null"
, alterMetrics);
}
finally
{
ms.Shutdown();
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestFileSink()
{
outFile = GetTestTempFile("test-file-sink-", ".out");
string outPath = outFile.GetAbsolutePath();
// NB: specify large period to avoid multiple metrics snapshotting:
new ConfigBuilder().Add("*.period", 10000).Add("test.sink.mysink0.class", typeof(
FileSink).FullName).Add("test.sink.mysink0.filename", outPath).Add("test.sink.mysink0.context"
, "test1").Save(TestMetricsConfig.GetTestFilename("hadoop-metrics2-test"));
// NB: we filter by context to exclude "metricssystem" context metrics:
MetricsSystemImpl ms = new MetricsSystemImpl("test");
ms.Start();
TestFileSink.MyMetrics1 mm1 = new TestFileSink.MyMetrics1().RegisterWith(ms);
new TestFileSink.MyMetrics2().RegisterWith(ms);
mm1.testMetric1.Incr();
mm1.testMetric2.Incr(2);
ms.PublishMetricsNow();
// publish the metrics
ms.Stop();
ms.Shutdown();
InputStream @is = null;
ByteArrayOutputStream baos = null;
string outFileContent = null;
try
{
@is = new FileInputStream(outFile);
baos = new ByteArrayOutputStream((int)outFile.Length());
IOUtils.CopyBytes(@is, baos, 1024, true);
outFileContent = Runtime.GetStringForBytes(baos.ToByteArray(), "UTF-8");
}
finally
{
IOUtils.Cleanup(null, baos, @is);
}
// Check the out file content. Should be something like the following:
//1360244820087 test1.testRecord1: Context=test1, testTag1=testTagValue1, testTag2=testTagValue2, Hostname=myhost, testMetric1=1, testMetric2=2
//1360244820089 test1.testRecord2: Context=test1, testTag22=testTagValue22, Hostname=myhost
// Note that in the below expression we allow tags and metrics to go in arbitrary order.
Pattern expectedContentPattern = Pattern.Compile("^\\d+\\s+test1.testRecord1:\\s+Context=test1,\\s+"
+ "(testTag1=testTagValue1,\\s+testTag2=testTagValue2|testTag2=testTagValue2,\\s+testTag1=testTagValue1),"
+ "\\s+Hostname=.*,\\s+(testMetric1=1,\\s+testMetric2=2|testMetric2=2,\\s+testMetric1=1)"
+ "$[\\n\\r]*^\\d+\\s+test1.testRecord2:\\s+Context=test1," + "\\s+testTag22=testTagValue22,\\s+Hostname=.*$[\\n\\r]*"
, Pattern.Multiline);
// line #1:
// line #2:
Assert.True(expectedContentPattern.Matcher(outFileContent).Matches
());
}