本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.HRegion.batchMutate方法的典型用法代码示例。如果您正苦于以下问题：Java HRegion.batchMutate方法的具体用法？Java HRegion.batchMutate怎么用？Java HRegion.batchMutate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.regionserver.HRegion的用法示例。
在下文中一共展示了HRegion.batchMutate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: rebuildMeta
import org.apache.hadoop.hbase.regionserver.HRegion; //导入方法依赖的package包/类
/**
* Rebuilds meta from information in hdfs/fs. Depends on configuration
* settings passed into hbck constructor to point to a particular fs/dir.
*
* @param fix flag that determines if method should attempt to fix holes
* @return true if successful, false if attempt failed.
*/
public boolean rebuildMeta(boolean fix) throws IOException,
InterruptedException {
// TODO check to make sure hbase is offline. (or at least the table
// currently being worked on is off line)
// Determine what's on HDFS
LOG.info("Loading HBase regioninfo from HDFS...");
loadHdfsRegionDirs(); // populating regioninfo table.
int errs = errors.getErrorList().size();
tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.
checkHdfsIntegrity(false, false);
// make sure ok.
if (errors.getErrorList().size() != errs) {
// While in error state, iterate until no more fixes possible
while(true) {
fixes = 0;
suggestFixes(tablesInfo);
errors.clear();
loadHdfsRegionInfos(); // update tableInfos based on region info in fs.
checkHdfsIntegrity(shouldFixHdfsHoles(), shouldFixHdfsOverlaps());
int errCount = errors.getErrorList().size();
if (fixes == 0) {
if (errCount > 0) {
return false; // failed to fix problems.
} else {
break; // no fixes and no problems? drop out and fix stuff!
}
}
}
}
// we can rebuild, move old meta out of the way and start
LOG.info("HDFS regioninfo's seems good. Sidelining old hbase:meta");
Path backupDir = sidelineOldMeta();
LOG.info("Creating new hbase:meta");
HRegion meta = createNewMeta();
// populate meta
List<Put> puts = generatePuts(tablesInfo);
if (puts == null) {
LOG.fatal("Problem encountered when creating new hbase:meta entries. " +
"You may need to restore the previously sidelined hbase:meta");
return false;
}
meta.batchMutate(puts.toArray(new Put[puts.size()]));
HRegion.closeHRegion(meta);
LOG.info("Success! hbase:meta table rebuilt.");
LOG.info("Old hbase:meta is moved into " + backupDir);
return true;
}