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类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;
}