本文整理汇总了Java中org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram类的典型用法代码示例。如果您正苦于以下问题：Java MetricsHistogram类的具体用法？Java MetricsHistogram怎么用？Java MetricsHistogram使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
MetricsHistogram类属于org.apache.hadoop.hbase.metrics.histogram包，在下文中一共展示了MetricsHistogram类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: appendHistogram
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
private StringBuilder appendHistogram(StringBuilder sb,
MetricsHistogram histogram) {
sb = Strings.appendKeyValue(sb,
histogram.getName() + "Mean",
StringUtils.limitDecimalTo2(histogram.getMean()));
sb = Strings.appendKeyValue(sb,
histogram.getName() + "Count",
StringUtils.limitDecimalTo2(histogram.getCount()));
final Snapshot s = histogram.getSnapshot();
sb = Strings.appendKeyValue(sb,
histogram.getName() + "Median",
StringUtils.limitDecimalTo2(s.getMedian()));
sb = Strings.appendKeyValue(sb,
histogram.getName() + "75th",
StringUtils.limitDecimalTo2(s.get75thPercentile()));
sb = Strings.appendKeyValue(sb,
histogram.getName() + "95th",
StringUtils.limitDecimalTo2(s.get95thPercentile()));
sb = Strings.appendKeyValue(sb,
histogram.getName() + "99th",
StringUtils.limitDecimalTo2(s.get99thPercentile()));
sb = Strings.appendKeyValue(sb,
histogram.getName() + "999th",
StringUtils.limitDecimalTo2(s.get999thPercentile()));
return sb;
}
示例2: testPushMetric
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
@Test
public void testPushMetric() {
final MetricsHistogram h = new MetricsHistogram("testHistogram", null);
genRandomData(h);
MetricsRecord mr = mock(MetricsRecord.class);
h.pushMetric(mr);
verify(mr).setMetric("testHistogram_num_ops", 10000L);
verify(mr).setMetric(eq("testHistogram_min"), anyLong());
verify(mr).setMetric(eq("testHistogram_max"), anyLong());
verify(mr).setMetric(eq("testHistogram_mean"), anyFloat());
verify(mr).setMetric(eq("testHistogram_std_dev"), anyFloat());
verify(mr).setMetric(eq("testHistogram_median"), anyFloat());
verify(mr).setMetric(eq("testHistogram_75th_percentile"), anyFloat());
verify(mr).setMetric(eq("testHistogram_95th_percentile"), anyFloat());
verify(mr).setMetric(eq("testHistogram_99th_percentile"), anyFloat());
}
示例3: copyMinusHBaseMetrics
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
private static MetricsRegistry copyMinusHBaseMetrics(final MetricsRegistry mr) {
MetricsRegistry copy = new MetricsRegistry();
for (MetricsBase metric : mr.getMetricsList()) {
if (metric instanceof MetricsRate || metric instanceof MetricsString ||
metric instanceof MetricsHistogram || metric instanceof ExactCounterMetric) {
continue;
}
copy.add(metric.getName(), metric);
}
return copy;
}
示例4: testBasicUniform
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
@Test
public void testBasicUniform() {
MetricsHistogram h = new MetricsHistogram("testHistogram", null);
for (int i = 0; i < 100; i++) {
h.update(i);
}
Assert.assertEquals(100, h.getCount());
Assert.assertEquals(0, h.getMin());
Assert.assertEquals(99, h.getMax());
Assert.assertEquals(49.5d, h.getMean(), 0.01);
}
示例5: testSnapshotPercentiles
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
@Test
public void testSnapshotPercentiles() {
final MetricsHistogram h = new MetricsHistogram("testHistogram", null);
final long[] data = genRandomData(h);
final Snapshot s = h.getSnapshot();
assertPercentile(data, 50, s.getMedian());
assertPercentile(data, 75, s.get75thPercentile());
assertPercentile(data, 95, s.get95thPercentile());
assertPercentile(data, 98, s.get98thPercentile());
assertPercentile(data, 99, s.get99thPercentile());
assertPercentile(data, 99.9, s.get999thPercentile());
}
示例6: genRandomData
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
private long[] genRandomData(final MetricsHistogram h) {
final Random r = new Random();
final long[] data = new long[10000];
for (int i = 0; i < data.length; i++) {
data[i] = (long) (r.nextGaussian() * 10000);
h.update(data[i]);
}
return data;
}
示例7: testBasicUniform
import org.apache.hadoop.hbase.metrics.histogram.MetricsHistogram; //导入依赖的package包/类
@Test
public void testBasicUniform() {
MetricsHistogram h = new MetricsHistogram("testHistogram", null);
for (int i = 0; i < 100; i++) {
h.update(i);
}
Assert.assertEquals(100, h.getCount());
Assert.assertEquals(0, h.getMin());
Assert.assertEquals(99, h.getMax());
}