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Java MetaEditor.deleteMergeQualifiers方法代码示例

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


在下文中一共展示了MetaEditor.deleteMergeQualifiers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: cleanMergeRegion

import org.apache.hadoop.hbase.catalog.MetaEditor; //导入方法依赖的package包/类
/**
 * If merged region no longer holds reference to the merge regions, archive
 * merge region on hdfs and perform deleting references in hbase:meta
 * @param mergedRegion
 * @param regionA
 * @param regionB
 * @return true if we delete references in merged region on hbase:meta and archive
 *         the files on the file system
 * @throws IOException
 */
boolean cleanMergeRegion(final HRegionInfo mergedRegion,
    final HRegionInfo regionA, final HRegionInfo regionB) throws IOException {
  FileSystem fs = this.services.getMasterFileSystem().getFileSystem();
  Path rootdir = this.services.getMasterFileSystem().getRootDir();
  Path tabledir = FSUtils.getTableDir(rootdir, mergedRegion.getTable());
  HTableDescriptor htd = getTableDescriptor(mergedRegion.getTable());
  HRegionFileSystem regionFs = null;
  try {
    regionFs = HRegionFileSystem.openRegionFromFileSystem(
        this.services.getConfiguration(), fs, tabledir, mergedRegion, true);
  } catch (IOException e) {
    LOG.warn("Merged region does not exist: " + mergedRegion.getEncodedName());
  }
  if (regionFs == null || !regionFs.hasReferences(htd)) {
    LOG.debug("Deleting region " + regionA.getRegionNameAsString() + " and "
        + regionB.getRegionNameAsString()
        + " from fs because merged region no longer holds references");
    HFileArchiver.archiveRegion(this.services.getConfiguration(), fs, regionA);
    HFileArchiver.archiveRegion(this.services.getConfiguration(), fs, regionB);
    MetaEditor.deleteMergeQualifiers(server.getCatalogTracker(), mergedRegion);
    return true;
  }
  return false;
}
 
开发者ID:tenggyut,项目名称:HIndex,代码行数:35,代码来源:CatalogJanitor.java


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