Java Code Examples for org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils#localGlobber()
The following examples show how to use
org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils#localGlobber() .
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Example 1
Source File: HistoryFileManager.java From hadoop with Apache License 2.0 | 6 votes |
/** * 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); } }
Example 2
Source File: HistoryFileManager.java From big-c with Apache License 2.0 | 6 votes |
/** * 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); } }
Example 3
Source File: HistoryFileManager.java From hadoop with Apache License 2.0 | 2 votes |
/** * 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; }
Example 4
Source File: HistoryFileManager.java From big-c with Apache License 2.0 | 2 votes |
/** * 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; }