本文整理汇总了Java中org.apache.htrace.impl.ProbabilitySampler类的典型用法代码示例。如果您正苦于以下问题：Java ProbabilitySampler类的具体用法？Java ProbabilitySampler怎么用？Java ProbabilitySampler使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
ProbabilitySampler类属于org.apache.htrace.impl包，在下文中一共展示了ProbabilitySampler类的1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: Test
import org.apache.htrace.impl.ProbabilitySampler; //导入依赖的package包/类
/**
* Note that all subclasses of this class must provide a public constructor
* that has the exact same list of arguments.
*/
Test(final Connection con, final TestOptions options, final Status status) {
this.connection = con;
this.conf = con == null ? HBaseConfiguration.create() : this.connection.getConfiguration();
this.opts = options;
this.status = status;
this.testName = this.getClass().getSimpleName();
receiverHost = SpanReceiverHost.getInstance(conf);
if (options.traceRate >= 1.0) {
this.traceSampler = Sampler.ALWAYS;
} else if (options.traceRate > 0.0) {
conf.setDouble("hbase.sampler.fraction", options.traceRate);
this.traceSampler = new ProbabilitySampler(new HBaseHTraceConfiguration(conf));
} else {
this.traceSampler = Sampler.NEVER;
}
everyN = (int) (opts.totalRows / (opts.totalRows * opts.sampleRate));
if (options.isValueZipf()) {
this.zipf = new RandomDistribution.Zipf(this.rand, 1, options.getValueSize(), 1.1);
}
LOG.info("Sampling 1 every " + everyN + " out of " + opts.perClientRunRows + " total rows.");
}