Examples with HistogramData org.rocksdb.HistogramData used on opensource projects

Example 6 with HistogramData

use of org.rocksdb.HistogramData in project kafka by apache.

the class RocksDBMetricsRecorderTest method shouldCorrectlyHandleHitRatioRecordingsWithZeroHitsAndMisses.

@Test
public void shouldCorrectlyHandleHitRatioRecordingsWithZeroHitsAndMisses() {
    reset(statisticsToAdd1);
    recorder.addValueProviders(SEGMENT_STORE_NAME_1, dbToAdd1, cacheToAdd1, statisticsToAdd1);
    expect(statisticsToAdd1.getHistogramData(anyObject())).andStubReturn(new HistogramData(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0L, 0L, 0.0));
    expect(statisticsToAdd1.getAndResetTickerCount(anyObject())).andStubReturn(0L);
    replay(statisticsToAdd1);
    memtableHitRatioSensor.record(0, 0L);
    blockCacheDataHitRatioSensor.record(0, 0L);
    blockCacheIndexHitRatioSensor.record(0, 0L);
    blockCacheFilterHitRatioSensor.record(0, 0L);
    replay(memtableHitRatioSensor);
    replay(blockCacheDataHitRatioSensor);
    replay(blockCacheIndexHitRatioSensor);
    replay(blockCacheFilterHitRatioSensor);
    recorder.record(0L);
    verify(memtableHitRatioSensor);
    verify(blockCacheDataHitRatioSensor);
    verify(blockCacheIndexHitRatioSensor);
    verify(blockCacheFilterHitRatioSensor);
}