本文整理汇总了Java中org.apache.hadoop.hbase.util.BloomFilterFactory.getErrorRate方法的典型用法代码示例。如果您正苦于以下问题：Java BloomFilterFactory.getErrorRate方法的具体用法？Java BloomFilterFactory.getErrorRate怎么用？Java BloomFilterFactory.getErrorRate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.util.BloomFilterFactory的用法示例。
在下文中一共展示了BloomFilterFactory.getErrorRate方法的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: validateFalsePosRate
import org.apache.hadoop.hbase.util.BloomFilterFactory; //导入方法依赖的package包/类
/**
* Validates the false positive ratio by computing its z-value and comparing
* it to the provided threshold.
*
* @param falsePosRate experimental positive rate
* @param nTrials the number of Bloom filter checks
* @param zValueBoundary z-value boundary, positive for an upper bound and
* negative for a lower bound
* @param cbf the compound Bloom filter we are using
* @param additionalMsg additional message to include in log output and
* assertion failures
*/
private void validateFalsePosRate(double falsePosRate, int nTrials,
double zValueBoundary, CompoundBloomFilter cbf, String additionalMsg) {
double p = BloomFilterFactory.getErrorRate(conf);
double zValue = (falsePosRate - p) / Math.sqrt(p * (1 - p) / nTrials);
String assortedStatsStr = " (targetErrorRate=" + p + ", falsePosRate="
+ falsePosRate + ", nTrials=" + nTrials + ")";
LOG.info("z-value is " + zValue + assortedStatsStr);
boolean isUpperBound = zValueBoundary > 0;
if (isUpperBound && zValue > zValueBoundary ||
!isUpperBound && zValue < zValueBoundary) {
String errorMsg = "False positive rate z-value " + zValue + " is "
+ (isUpperBound ? "higher" : "lower") + " than " + zValueBoundary
+ assortedStatsStr + ". Per-chunk stats:\n"
+ cbf.formatTestingStats();
fail(errorMsg + additionalMsg);
}
}