Examples with LongStats com.linkedin.common.stats.LongStats used on opensource projects

Example 1 with LongStats

use of com.linkedin.common.stats.LongStats in project rest.li by linkedin.

the class ChannelPoolLifecycle method getStats.

@Override
public PoolStats.LifecycleStats getStats() {
    synchronized (_createTimeTracker) {
        LongStats stats = _createTimeTracker.getStats();
        _createTimeTracker.reset();
        return new AsyncPoolLifecycleStats(stats.getAverage(), stats.get50Pct(), stats.get95Pct(), stats.get99Pct());
    }
}

Example 2 with LongStats

use of com.linkedin.common.stats.LongStats in project rest.li by linkedin.

the class PrintResultsTask method run.

public void run() {
    final Stats stats = _statsRef.get();
    LongStats snapshot = stats.getLatencyStats();
    long elapsedTime = stats.getElapsedTime();
    double timePerReq = stats.getSuccessCount() != 0 ? elapsedTime / (double) stats.getSuccessCount() : 0;
    double reqPerSec = timePerReq != 0 ? 1000.0 / timePerReq : 0;
    System.out.println();
    System.out.println();
    System.out.println("DONE");
    System.out.println();
    System.out.println("Results");
    System.out.println("-------");
    System.out.println("    Total Requests: " + stats.getSentCount());
    System.out.println("    Elapsed: " + elapsedTime);
    System.out.println("    Mean latency (in millis): " + snapshot.getAverage() / 10E6);
    System.out.println("    Reqs / Sec: " + reqPerSec);
    System.out.println("    Errors: " + stats.getErrorCount());
    System.out.println("    Min latency: " + snapshot.getMinimum() / 10E6);
    System.out.println("    50% latency: " + snapshot.get50Pct() / 10E6);
    System.out.println("    90% latency: " + snapshot.get90Pct() / 10E6);
    System.out.println("    95% latency: " + snapshot.get95Pct() / 10E6);
    System.out.println("    99% latency: " + snapshot.get99Pct() / 10E6);
    System.out.println("    Max latency: " + snapshot.getMaximum() / 10E6);
}

Example 3 with LongStats

use of com.linkedin.common.stats.LongStats in project rest.li by linkedin.

the class AsyncPoolStatsTracker method getStats.

public AsyncPoolStats getStats() {
    long now = _clock.currentTimeMillis();
    if (now - _lastSamplingTime > MINIMUM_SAMPLING_PERIOD) {
        _sampleMaxCheckedOut = _currentMaxCheckedOut;
        _sampleMaxPoolSize = _currentMaxPoolSize;
        _sampleMaxWaitTime = _currentMaxWaitTime;
        _currentMaxCheckedOut = _checkedOutSupplier.get();
        _currentMaxPoolSize = _poolSizeSupplier.get();
        _currentMaxWaitTime = 0L;
        _lastSamplingTime = now;
    }
    LongStats waitTimeStats = _waitTimeTracker.getStats();
    AsyncPoolStats stats = new AsyncPoolStats(_totalCreated, _totalDestroyed, _totalCreateErrors, _totalDestroyErrors, _totalBadDestroyed, _totalTimedOut, _totalWaiterTimedOut, _totalCreationIgnored, _checkedOutSupplier.get(), _maxSizeSupplier.get(), _minSizeSupplier.get(), _poolSizeSupplier.get(), _sampleMaxCheckedOut, _sampleMaxPoolSize, _sampleMaxWaitTime, _idleSizeSupplier.get(), waitTimeStats.getAverage(), waitTimeStats.get50Pct(), waitTimeStats.get95Pct(), waitTimeStats.get99Pct(), _lifecycleStatsSupplier.get());
    _waitTimeTracker.reset();
    return stats;
}

Example 4 with LongStats

use of com.linkedin.common.stats.LongStats in project rest.li by linkedin.

the class TrackerClientMockHelper method mockTrackerClients.

/**
 * Mock a list of {@link TrackerClient} for testing
 *
 * @param numTrackerClients The number of {@link TrackerClient} to be mocked
 * @param callCountList The call count that each host receives
 * @param outstandingCallCountList The outstanding call count that each host receives
 * @param latencyList The latency of each host
 * @param outstandingLatencyList The outstanding latency of each host
 * @param errorCountList The error count of each host
 * @return A list of mocked {@link TrackerClient}
 */
public static List<TrackerClient> mockTrackerClients(int numTrackerClients, List<Integer> callCountList, List<Integer> outstandingCallCountList, List<Long> latencyList, List<Long> outstandingLatencyList, List<Integer> errorCountList, boolean doNotSlowStart, List<Boolean> doNotLoadBalance) {
    List<TrackerClient> trackerClients = new ArrayList<>();
    for (int index = 0; index < numTrackerClients; index++) {
        URI uri = URI.create("URI/" + index);
        TrackerClient trackerClient = Mockito.mock(TrackerClient.class);
        CallTracker callTracker = Mockito.mock(CallTracker.class);
        LongStats longStats = new LongStats(callCountList.get(index), latencyList.get(index), 0, 0, 0, 0, 0, 0, 0);
        Map<ErrorType, Integer> errorTypeCounts = new HashMap<>();
        errorTypeCounts.put(ErrorType.SERVER_ERROR, errorCountList.get(index));
        CallTrackerImpl.CallTrackerStats callStats = new CallTrackerImpl.CallTrackerStats(RelativeLoadBalancerStrategyFactory.DEFAULT_UPDATE_INTERVAL_MS, 0, RelativeLoadBalancerStrategyFactory.DEFAULT_UPDATE_INTERVAL_MS, callCountList.get(index), 0, 0, errorCountList.get(index), errorCountList.get(index), 1, RelativeLoadBalancerStrategyFactory.DEFAULT_UPDATE_INTERVAL_MS - outstandingLatencyList.get(index), outstandingCallCountList.get(index), longStats, errorTypeCounts, errorTypeCounts);
        Mockito.when(trackerClient.getCallTracker()).thenReturn(callTracker);
        Mockito.when(callTracker.getCallStats()).thenReturn(callStats);
        Mockito.when(trackerClient.getUri()).thenReturn(uri);
        Mockito.when(trackerClient.getPartitionWeight(anyInt())).thenReturn(1.0);
        Mockito.when(trackerClient.getSubsetWeight(anyInt())).thenReturn(1.0);
        Mockito.when(trackerClient.doNotSlowStart()).thenReturn(doNotSlowStart);
        Mockito.when(trackerClient.doNotLoadBalance()).thenReturn(doNotLoadBalance.get(index));
        trackerClients.add(trackerClient);
    }
    return trackerClients;
}