本文整理汇总了Java中org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils.localGlobber方法的典型用法代码示例。如果您正苦于以下问题:Java JobHistoryUtils.localGlobber方法的具体用法?Java JobHistoryUtils.localGlobber怎么用?Java JobHistoryUtils.localGlobber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.mapreduce.v2.jobhistory.JobHistoryUtils
的用法示例。
在下文中一共展示了JobHistoryUtils.localGlobber方法的3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: scanIntermediateDirectory
import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils; //导入方法依赖的package包/类
/**
* Scans the intermediate directory to find user directories. Scans these for
* history files if the modification time for the directory has changed. Once
* it finds history files it starts the process of moving them to the done
* directory.
*
* @throws IOException
* if there was a error while scanning
*/
void scanIntermediateDirectory() throws IOException {
// TODO it would be great to limit how often this happens, except in the
// case where we are looking for a particular job.
List<FileStatus> userDirList = JobHistoryUtils.localGlobber(
intermediateDoneDirFc, intermediateDoneDirPath, "");
LOG.debug("Scanning intermediate dirs");
for (FileStatus userDir : userDirList) {
String name = userDir.getPath().getName();
UserLogDir dir = userDirModificationTimeMap.get(name);
if(dir == null) {
dir = new UserLogDir();
UserLogDir old = userDirModificationTimeMap.putIfAbsent(name, dir);
if(old != null) {
dir = old;
}
}
dir.scanIfNeeded(userDir);
}
}
示例2: findTimestampedDirectories
import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils; //导入方法依赖的package包/类
/**
* Finds all history directories with a timestamp component by scanning the
* filesystem. Used when the JobHistory server is started.
*
* @return list of history directories
*/
protected List<FileStatus> findTimestampedDirectories() throws IOException {
List<FileStatus> fsList = JobHistoryUtils.localGlobber(doneDirFc,
doneDirPrefixPath, DONE_BEFORE_SERIAL_TAIL);
return fsList;
}
示例3: findTimestampedDirectories
import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils; //导入方法依赖的package包/类
/**
* Finds all history directories with a timestamp component by scanning the
* filesystem. Used when the JobHistory server is started.
*
* @return
*/
private List<FileStatus> findTimestampedDirectories() throws IOException {
List<FileStatus> fsList = JobHistoryUtils.localGlobber(doneDirFc,
doneDirPrefixPath, DONE_BEFORE_SERIAL_TAIL);
return fsList;
}