Examples with KafkaMetric org.apache.kafka.common.metrics.KafkaMetric used on opensource projects

Example 91 with KafkaMetric

use of org.apache.kafka.common.metrics.KafkaMetric in project kafka by apache.

the class MeteredKeyValueStoreTest method shouldDeleteFromInnerStoreAndRecordDeleteMetric.

@Test
public void shouldDeleteFromInnerStoreAndRecordDeleteMetric() {
    expect(inner.delete(KEY_BYTES)).andReturn(VALUE_BYTES);
    init();
    metered.delete(KEY);
    final KafkaMetric metric = metric("delete-rate");
    assertTrue((Double) metric.metricValue() > 0);
    verify(inner);
}

Example 92 with KafkaMetric

use of org.apache.kafka.common.metrics.KafkaMetric in project kafka by apache.

the class MeteredKeyValueStoreTest method shouldRecordRestoreLatencyOnInit.

@Test
public void shouldRecordRestoreLatencyOnInit() {
    inner.init((StateStoreContext) context, metered);
    init();
    // it suffices to verify one restore metric since all restore metrics are recorded by the same sensor
    // and the sensor is tested elsewhere
    final KafkaMetric metric = metric("restore-rate");
    assertThat((Double) metric.metricValue(), greaterThan(0.0));
    verify(inner);
}

Example 93 with KafkaMetric

use of org.apache.kafka.common.metrics.KafkaMetric in project kafka by apache.

the class MeteredSessionStoreTest method shouldFindSessionRangeFromStoreAndRecordFetchMetric.

@Test
public void shouldFindSessionRangeFromStoreAndRecordFetchMetric() {
    expect(innerStore.findSessions(KEY_BYTES, KEY_BYTES, 0, 0)).andReturn(new KeyValueIteratorStub<>(Collections.singleton(KeyValue.pair(WINDOWED_KEY_BYTES, VALUE_BYTES)).iterator()));
    init();
    final KeyValueIterator<Windowed<String>, String> iterator = store.findSessions(KEY, KEY, 0, 0);
    assertThat(iterator.next().value, equalTo(VALUE));
    assertFalse(iterator.hasNext());
    iterator.close();
    // it suffices to verify one fetch metric since all put metrics are recorded by the same sensor
    // and the sensor is tested elsewhere
    final KafkaMetric metric = metric("fetch-rate");
    assertTrue((Double) metric.metricValue() > 0);
    verify(innerStore);
}

Example 94 with KafkaMetric

use of org.apache.kafka.common.metrics.KafkaMetric in project kafka by apache.

the class MeteredSessionStoreTest method shouldBackwardFetchRangeFromStoreAndRecordFetchMetric.

@Test
public void shouldBackwardFetchRangeFromStoreAndRecordFetchMetric() {
    expect(innerStore.backwardFetch(KEY_BYTES, KEY_BYTES)).andReturn(new KeyValueIteratorStub<>(Collections.singleton(KeyValue.pair(WINDOWED_KEY_BYTES, VALUE_BYTES)).iterator()));
    init();
    final KeyValueIterator<Windowed<String>, String> iterator = store.backwardFetch(KEY, KEY);
    assertThat(iterator.next().value, equalTo(VALUE));
    assertFalse(iterator.hasNext());
    iterator.close();
    // it suffices to verify one fetch metric since all fetch metrics are recorded by the same sensor
    // and the sensor is tested elsewhere
    final KafkaMetric metric = metric("fetch-rate");
    assertTrue((Double) metric.metricValue() > 0);
    verify(innerStore);
}

Example 95 with KafkaMetric

use of org.apache.kafka.common.metrics.KafkaMetric in project kafka by apache.

the class MeteredSessionStoreTest method shouldFindSessionsFromStoreAndRecordFetchMetric.

@Test
public void shouldFindSessionsFromStoreAndRecordFetchMetric() {
    expect(innerStore.findSessions(KEY_BYTES, 0, 0)).andReturn(new KeyValueIteratorStub<>(Collections.singleton(KeyValue.pair(WINDOWED_KEY_BYTES, VALUE_BYTES)).iterator()));
    init();
    final KeyValueIterator<Windowed<String>, String> iterator = store.findSessions(KEY, 0, 0);
    assertThat(iterator.next().value, equalTo(VALUE));
    assertFalse(iterator.hasNext());
    iterator.close();
    // it suffices to verify one fetch metric since all put metrics are recorded by the same sensor
    // and the sensor is tested elsewhere
    final KafkaMetric metric = metric("fetch-rate");
    assertTrue((Double) metric.metricValue() > 0);
    verify(innerStore);
}