Examples with RatisMetricRegistry org.apache.ratis.metrics.RatisMetricRegistry used on opensource projects

Example 11 with RatisMetricRegistry

use of org.apache.ratis.metrics.RatisMetricRegistry in project incubator-ratis by apache.

the class RaftSnapshotBaseTest method getTakeSnapshotTimer.

private static Timer getTakeSnapshotTimer(RaftServer.Division leader) {
    MetricRegistryInfo info = new MetricRegistryInfo(leader.getMemberId().toString(), RATIS_APPLICATION_NAME_METRICS, RATIS_STATEMACHINE_METRICS, RATIS_STATEMACHINE_METRICS_DESC);
    Optional<RatisMetricRegistry> opt = MetricRegistries.global().get(info);
    Assert.assertTrue(opt.isPresent());
    RatisMetricRegistry metricRegistry = opt.get();
    Assert.assertNotNull(metricRegistry);
    return metricRegistry.timer(STATEMACHINE_TAKE_SNAPSHOT_TIMER);
}

Example 12 with RatisMetricRegistry

use of org.apache.ratis.metrics.RatisMetricRegistry in project incubator-ratis by apache.

the class TestRaftSnapshotWithGrpc method verifyInstallSnapshotMetric.

@Override
protected void verifyInstallSnapshotMetric(RaftServer.Division leader) {
    MetricRegistryInfo info = new MetricRegistryInfo(leader.getMemberId().toString(), "ratis_grpc", "log_appender", "Metrics for Ratis Grpc Log Appender");
    Optional<RatisMetricRegistry> metricRegistry = MetricRegistries.global().get(info);
    Assert.assertTrue(metricRegistry.isPresent());
    Counter installSnapshotCounter = metricRegistry.get().counter("num_install_snapshot");
    Assert.assertNotNull(installSnapshotCounter);
    Assert.assertTrue(installSnapshotCounter.getCount() >= 1);
}

Example 13 with RatisMetricRegistry

use of org.apache.ratis.metrics.RatisMetricRegistry in project incubator-ratis by apache.

the class LeaderElectionTests method testLeaderElectionMetrics.

@Test
public void testLeaderElectionMetrics() throws IOException, InterruptedException {
    Timestamp timestamp = Timestamp.currentTime();
    final MiniRaftCluster cluster = newCluster(3);
    cluster.start();
    final RaftServer.Division leaderServer = waitForLeader(cluster);
    final RatisMetricRegistry ratisMetricRegistry = LeaderElectionMetrics.getMetricRegistryForLeaderElection(leaderServer.getMemberId());
    // Verify each metric individually.
    long numLeaderElections = ratisMetricRegistry.counter(LEADER_ELECTION_COUNT_METRIC).getCount();
    assertTrue(numLeaderElections > 0);
    long numLeaderElectionTimeout = ratisMetricRegistry.counter(LEADER_ELECTION_TIMEOUT_COUNT_METRIC).getCount();
    assertTrue(numLeaderElectionTimeout > 0);
    Timer timer = ratisMetricRegistry.timer(LEADER_ELECTION_TIME_TAKEN);
    double meanTimeNs = timer.getSnapshot().getMean();
    long elapsedNs = timestamp.elapsedTime().toLong(TimeUnit.NANOSECONDS);
    assertTrue(timer.getCount() > 0 && meanTimeNs < elapsedNs);
    Long leaderElectionLatency = (Long) ratisMetricRegistry.getGauges((s, metric) -> s.contains(LAST_LEADER_ELECTION_ELAPSED_TIME)).values().iterator().next().getValue();
    assertTrue(leaderElectionLatency > 0L);
}