本文整理汇总了Java中org.apache.hadoop.hbase.io.encoding.EncodedDataBlock.checkCompressedSize方法的典型用法代码示例。如果您正苦于以下问题：Java EncodedDataBlock.checkCompressedSize方法的具体用法？Java EncodedDataBlock.checkCompressedSize怎么用？Java EncodedDataBlock.checkCompressedSize使用的例子？那么恭喜您, 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.io.encoding.EncodedDataBlock的用法示例。
在下文中一共展示了EncodedDataBlock.checkCompressedSize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: displayStatistics
import org.apache.hadoop.hbase.io.encoding.EncodedDataBlock; //导入方法依赖的package包/类
/**
* Display statistics of different compression algorithms.
*/
public void displayStatistics() {
int totalLength = totalPrefixLength + totalKeyLength + totalValueLength;
if (compressor != null) { // might be null e.g. for pure-Java GZIP
compressor.reset();
}
for(EncodedDataBlock codec : codecs) {
System.out.println(codec.toString());
int saved = totalKeyLength + totalPrefixLength + totalValueLength
- codec.getSize();
System.out.println(
String.format(" Saved bytes: %8d", saved));
double keyRatio = (saved * 100.0) / (totalPrefixLength + totalKeyLength);
double allRatio = (saved * 100.0) / totalLength;
System.out.println(
String.format(" Key compression ratio: %.2f %%", keyRatio));
System.out.println(
String.format(" All compression ratio: %.2f %%", allRatio));
String compressedSizeCaption =
String.format(" %s compressed size: ",
compressionAlgorithmName.toUpperCase());
String compressOnlyRatioCaption =
String.format(" %s compression ratio: ",
compressionAlgorithmName.toUpperCase());
if (compressor != null) {
int compressedSize = codec.checkCompressedSize(compressor);
System.out.println(compressedSizeCaption +
String.format("%8d", compressedSize));
double compressOnlyRatio =
100.0 * (1.0 - compressedSize / (0.0 + totalLength));
System.out.println(compressOnlyRatioCaption
+ String.format("%.2f %%", compressOnlyRatio));
} else {
System.out.println(compressedSizeCaption + "N/A");
System.out.println(compressOnlyRatioCaption + "N/A");
}
}
System.out.println(
String.format("Total KV prefix length: %8d", totalPrefixLength));
System.out.println(
String.format("Total key length: %8d", totalKeyLength));
System.out.println(
String.format("Total key redundancy: %8d",
totalKeyRedundancyLength));
System.out.println(
String.format("Total value length: %8d", totalValueLength));
}