HDDS-1682. TestEventWatcher.testMetrics is flaky

Closes #962.
This commit is contained in:
Márton Elek 2019-06-13 16:27:23 +02:00
parent 61ec03c966
commit b039f7591f
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2 changed files with 22 additions and 11 deletions

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@ -143,15 +143,16 @@ private synchronized void handleStartEvent(TIMEOUT_PAYLOAD payload,
protected synchronized void handleCompletion(COMPLETION_PAYLOAD
completionPayload, EventPublisher publisher) throws
LeaseNotFoundException {
metrics.incrementCompletedEvents();
long id = completionPayload.getId();
leaseManager.release(id);
TIMEOUT_PAYLOAD payload = trackedEventsByID.remove(id);
trackedEvents.remove(payload);
if (trackedEvents.remove(payload)) {
metrics.incrementCompletedEvents();
long originalTime = startTrackingTimes.remove(id);
metrics.updateFinishingTime(System.currentTimeMillis() - originalTime);
onFinished(publisher, payload);
}
}
private synchronized void handleTimeout(EventPublisher publisher,
long identifier) {

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@ -179,22 +179,32 @@ public void testMetrics() throws InterruptedException {
queue.fireEvent(REPLICATION_COMPLETED, event1Completed);
Thread.sleep(2200L);
//lease manager timeout = 2000L
Thread.sleep(3 * 2000L);
queue.processAll(2000L);
//until now: 3 in-progress activities are tracked with three
// UnderreplicatedEvents. The first one is completed, the remaining two
// are timed out (as the timeout -- defined in the leasmanager -- is 2000ms.
// are timed out (as the timeout -- defined in the lease manager -- is
// 2000ms).
EventWatcherMetrics metrics = replicationWatcher.getMetrics();
//3 events are received
Assert.assertEquals(3, metrics.getTrackedEvents().value());
//one is finished. doesn't need to be resent
Assert.assertEquals(1, metrics.getCompletedEvents().value());
//completed + timed out = all messages
Assert.assertEquals(
"number of timed out and completed messages should be the same as the"
+ " all messages",
metrics.getTrackedEvents().value(),
metrics.getCompletedEvents().value() + metrics.getTimedOutEvents()
.value());
//Other two are timed out and resent
Assert.assertEquals(2, metrics.getTimedOutEvents().value());
//_at least_ two are timed out.
Assert.assertTrue("At least two events should be timed out.",
metrics.getTimedOutEvents().value() >= 2);
DefaultMetricsSystem.shutdown();
}