// List containing nc1 and nc2.
/// <summary>
/// Initializes, for testing, two NoEmitMetricsContext's, and adds one value
/// to the first of them.
/// </summary>
/// <exception cref="System.IO.IOException"/>
protected override void SetUp()
{
nc1 = new NoEmitMetricsContext();
nc1.Init("test1", ContextFactory.GetFactory());
nc2 = new NoEmitMetricsContext();
nc2.Init("test2", ContextFactory.GetFactory());
contexts = new AList <MetricsContext>();
contexts.AddItem(nc1);
contexts.AddItem(nc2);
MetricsRecord r = nc1.CreateRecord("testRecord");
r.SetTag("testTag1", "testTagValue1");
r.SetTag("testTag2", "testTagValue2");
r.SetMetric("testMetric1", 1);
r.SetMetric("testMetric2", 33);
r.Update();
IDictionary <string, ICollection <OutputRecord> > m = nc1.GetAllRecords();
Assert.Equal(1, m.Count);
Assert.Equal(1, m.Values.Count);
ICollection <OutputRecord> outputRecords = m.Values.GetEnumerator().Next();
Assert.Equal(1, outputRecords.Count);
outputRecord = outputRecords.GetEnumerator().Next();
}
/// <summary>
/// This will be called periodically (with the period being configuration
/// dependent).
/// </summary>
public virtual void DoUpdates(MetricsContext context)
{
DoMemoryUpdates();
DoGarbageCollectionUpdates();
DoThreadUpdates();
DoEventCountUpdates();
metrics.Update();
}
/// <summary>
/// Since this object is a registered updater, this method will be called
/// periodically, e.g.
/// </summary>
/// <remarks>
/// Since this object is a registered updater, this method will be called
/// periodically, e.g. every 5 seconds.
/// </remarks>
public virtual void DoUpdates(MetricsContext unused)
{
lock (this)
{
metricsRecord.IncrMetric("maps_launched", numMapTasksLaunched);
metricsRecord.IncrMetric("maps_completed", numMapTasksCompleted);
metricsRecord.IncrMetric("reduces_launched", numReduceTasksLaunched);
metricsRecord.IncrMetric("reduces_completed", numReduceTasksCompleted);
metricsRecord.IncrMetric("waiting_maps", numWaitingMaps);
metricsRecord.IncrMetric("waiting_reduces", numWaitingReduces);
numMapTasksLaunched = 0;
numMapTasksCompleted = 0;
numReduceTasksLaunched = 0;
numReduceTasksCompleted = 0;
numWaitingMaps = 0;
numWaitingReduces = 0;
}
metricsRecord.Update();
}
public virtual void DoUpdates(MetricsContext unused)
{
lock (this)
{
shuffleMetrics.IncrMetric("shuffle_input_bytes", numBytes);
shuffleMetrics.IncrMetric("shuffle_failed_fetches", numFailedFetches);
shuffleMetrics.IncrMetric("shuffle_success_fetches", numSuccessFetches);
if (numCopiers != 0)
{
shuffleMetrics.SetMetric("shuffle_fetchers_busy_percent", 100 * ((float)numThreadsBusy
/ numCopiers));
}
else
{
shuffleMetrics.SetMetric("shuffle_fetchers_busy_percent", 0);
}
numBytes = 0;
numSuccessFetches = 0;
numFailedFetches = 0;
}
shuffleMetrics.Update();
}