Examples with Anomaly com.linkedin.cruisecontrol.detector.Anomaly used on opensource projects

Example 6 with Anomaly

use of com.linkedin.cruisecontrol.detector.Anomaly in project cruise-control by linkedin.

the class BrokerFailureDetectorTest method testDetectorStartWithFailedBrokers.

@Test
public void testDetectorStartWithFailedBrokers() throws Exception {
    Time mockTime = getMockTime();
    Queue<Anomaly> anomalies = new PriorityBlockingQueue<>(ANOMALY_DETECTOR_INITIAL_QUEUE_SIZE, anomalyComparator());
    File failedBrokersFile = File.createTempFile("testDetectorStartWithFailedBrokers", ".txt");
    BrokerFailureDetector detector = createBrokerFailureDetector(anomalies, mockTime, failedBrokersFile.getPath());
    try {
        String failedBrokerListString = detector.loadPersistedFailedBrokerList();
        assertTrue(failedBrokerListString.isEmpty());
        int brokerId = 0;
        long anomalyTime = mockTime.milliseconds();
        killBroker(brokerId);
        detector.startDetection();
        assertEquals(Collections.singletonMap(brokerId, 100L), detector.failedBrokers());
        failedBrokerListString = detector.loadPersistedFailedBrokerList();
        assertEquals(String.format("%d=%d", brokerId, anomalyTime), failedBrokerListString);
    } finally {
        detector.shutdown();
        Files.delete(failedBrokersFile.toPath());
    }
}

Example 7 with Anomaly

use of com.linkedin.cruisecontrol.detector.Anomaly in project cruise-control by linkedin.

the class BrokerFailureDetectorTest method testLoadFailedBrokersFromFile.

@Test
public void testLoadFailedBrokersFromFile() throws Exception {
    Time mockTime = getMockTime();
    Queue<Anomaly> anomalies = new PriorityBlockingQueue<>(ANOMALY_DETECTOR_INITIAL_QUEUE_SIZE, anomalyComparator());
    File failedBrokersFile = File.createTempFile("testLoadFailedBrokersFromFile", ".txt");
    BrokerFailureDetector detector = createBrokerFailureDetector(anomalies, mockTime, failedBrokersFile.getPath());
    try {
        String failedBrokerListString = detector.loadPersistedFailedBrokerList();
        assertTrue(failedBrokerListString.isEmpty());
        detector.startDetection();
        int brokerId = 0;
        long anomalyTime = mockTime.milliseconds();
        killBroker(brokerId);
        long start = System.currentTimeMillis();
        while (anomalies.isEmpty() && System.currentTimeMillis() < start + 30000) {
        // Wait for the anomalies to be drained.
        }
        assertEquals(Collections.singletonMap(brokerId, anomalyTime), detector.failedBrokers());
        // shutdown, advance the clock and create a new detector.
        detector.shutdown();
        mockTime.sleep(100L);
        detector = createBrokerFailureDetector(anomalies, mockTime, failedBrokersFile.getPath());
        failedBrokerListString = detector.loadPersistedFailedBrokerList();
        assertEquals(String.format("%d=%d", brokerId, anomalyTime), failedBrokerListString);
        // start the newly created detector and the broker down time should remain previous time.
        detector.startDetection();
        assertEquals(Collections.singletonMap(brokerId, anomalyTime), detector.failedBrokers());
        failedBrokerListString = detector.loadPersistedFailedBrokerList();
        assertEquals(String.format("%d=%d", brokerId, anomalyTime), failedBrokerListString);
    } finally {
        detector.shutdown();
        Files.delete(failedBrokersFile.toPath());
    }
}