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Java Scan.setSmall方法代码示例

本文整理汇总了Java中org.apache.hadoop.hbase.client.Scan.setSmall方法的典型用法代码示例。如果您正苦于以下问题:Java Scan.setSmall方法的具体用法?Java Scan.setSmall怎么用?Java Scan.setSmall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org.apache.hadoop.hbase.client.Scan的用法示例。


在下文中一共展示了Scan.setSmall方法的4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: getRowOrBefore

import org.apache.hadoop.hbase.client.Scan; //导入方法依赖的package包/类
public Result getRowOrBefore(Table table, byte[] row, byte[] family) throws IOException {
  long start = System.currentTimeMillis();
  Scan scan = new Scan();
  scan.addFamily(family);
  scan.setReversed(true);
  scan.setStartRow(row);
  scan.setCacheBlocks(false);
  scan.setCaching(1);
  scan.setSmall(true);
  ResultScanner scanner = table.getScanner(scan);
  Result ret = scanner.next();
  scanner.close();
  prevRowTotalTime += System.currentTimeMillis() - start;
  prevRowTotalCount++;
  return ret;
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:17,代码来源:MDIndex.java

示例2: insertOneRecord

import org.apache.hadoop.hbase.client.Scan; //导入方法依赖的package包/类
@Override protected void insertOneRecord(AbstractDITBRecord record) throws IOException {
  // note, MD-HBase get before update, we summarize the time in get seperately
  MDPoint point = record.toMDPoint();
  byte[] row = MDUtils.bitwiseZip(point.values, mdAdmin.getDimensions());
  // get before row
  long startTime = System.currentTimeMillis();
  Scan scan = new Scan();
  scan.addFamily(MDHBaseAdmin.BUCKET_FAMILY);
  scan.setReversed(true);
  scan.setStartRow(row);
  scan.setCacheBlocks(false);
  scan.setCaching(1);
  scan.setSmall(true);
  ResultScanner scanner = table.getScanner(scan);
  Result result = scanner.next();
  scanner.close();
  gbuTime += System.currentTimeMillis() - startTime;
  gbuCount++;
  // default scan
  if (result == null) {
    row = mdAdmin.getBucketSuffixRow(point);
  } else {
    row = result.getRow();
  }
  table.incrementColumnValue(row, MDHBaseAdmin.BUCKET_FAMILY,
      MDHBaseAdmin.BUCKET_SIZE_QUALIFIER, 1);
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:28,代码来源:PerfMD.java

示例3: processGet

import org.apache.hadoop.hbase.client.Scan; //导入方法依赖的package包/类
@Override protected Result processGet(Table table, Get get) throws IOException {
  Scan scan = new Scan();
  scan.addFamily(MDHBaseAdmin.BUCKET_FAMILY);
  scan.setReversed(true);
  scan.setStartRow(get.getRow());
  scan.setCacheBlocks(false);
  scan.setCaching(1);
  scan.setSmall(true);
  ResultScanner scanner = table.getScanner(scan);
  Result ret = scanner.next();
  scanner.close();
  return ret;
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:14,代码来源:PerfMD.java

示例4: testSmallScansDoNotAllowPartials

import org.apache.hadoop.hbase.client.Scan; //导入方法依赖的package包/类
public void testSmallScansDoNotAllowPartials(Scan baseScan) throws Exception {
  Scan scan = new Scan(baseScan);
  scan.setAllowPartialResults(true);
  scan.setSmall(true);
  scan.setMaxResultSize(1);

  ResultScanner scanner = TABLE.getScanner(scan);
  Result r = null;

  while ((r = scanner.next()) != null) {
    assertFalse(r.isPartial());
  }

  scanner.close();
}
 
开发者ID:fengchen8086,项目名称:ditb,代码行数:16,代码来源:TestPartialResultsFromClientSide.java


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