Java Code Examples for org.apache.hadoop.mapreduce.v2.jobhistory.FileNameIndexUtils

The following examples show how to use org.apache.hadoop.mapreduce.v2.jobhistory.FileNameIndexUtils. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: hadoop   Source File: HistoryFileManager.java    License: Apache License 2.0 6 votes vote down vote up
private void addDirectoryToJobListCache(Path path) throws IOException {
  if (LOG.isDebugEnabled()) {
    LOG.debug("Adding " + path + " to job list cache.");
  }
  List<FileStatus> historyFileList = scanDirectoryForHistoryFiles(path,
      doneDirFc);
  for (FileStatus fs : historyFileList) {
    if (LOG.isDebugEnabled()) {
      LOG.debug("Adding in history for " + fs.getPath());
    }
    JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(fs.getPath()
        .getName());
    String confFileName = JobHistoryUtils
        .getIntermediateConfFileName(jobIndexInfo.getJobId());
    String summaryFileName = JobHistoryUtils
        .getIntermediateSummaryFileName(jobIndexInfo.getJobId());
    HistoryFileInfo fileInfo = createHistoryFileInfo(fs.getPath(), new Path(fs
        .getPath().getParent(), confFileName), new Path(fs.getPath()
        .getParent(), summaryFileName), jobIndexInfo, true);
    jobListCache.addIfAbsent(fileInfo);
  }
}
 
Example 2
Source Project: hadoop   Source File: HistoryFileManager.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Searches the job history file FileStatus list for the specified JobId.
 * 
 * @param fileStatusList
 *          fileStatus list of Job History Files.
 * @param jobId
 *          The JobId to find.
 * @return A FileInfo object for the jobId, null if not found.
 * @throws IOException
 */
private HistoryFileInfo getJobFileInfo(List<FileStatus> fileStatusList,
    JobId jobId) throws IOException {
  for (FileStatus fs : fileStatusList) {
    JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(fs.getPath()
        .getName());
    if (jobIndexInfo.getJobId().equals(jobId)) {
      String confFileName = JobHistoryUtils
          .getIntermediateConfFileName(jobIndexInfo.getJobId());
      String summaryFileName = JobHistoryUtils
          .getIntermediateSummaryFileName(jobIndexInfo.getJobId());
      HistoryFileInfo fileInfo = createHistoryFileInfo(fs.getPath(), new Path(
          fs.getPath().getParent(), confFileName), new Path(fs.getPath()
          .getParent(), summaryFileName), jobIndexInfo, true);
      return fileInfo;
    }
  }
  return null;
}
 
Example 3
Source Project: big-c   Source File: HistoryFileManager.java    License: Apache License 2.0 6 votes vote down vote up
private void addDirectoryToJobListCache(Path path) throws IOException {
  if (LOG.isDebugEnabled()) {
    LOG.debug("Adding " + path + " to job list cache.");
  }
  List<FileStatus> historyFileList = scanDirectoryForHistoryFiles(path,
      doneDirFc);
  for (FileStatus fs : historyFileList) {
    if (LOG.isDebugEnabled()) {
      LOG.debug("Adding in history for " + fs.getPath());
    }
    JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(fs.getPath()
        .getName());
    String confFileName = JobHistoryUtils
        .getIntermediateConfFileName(jobIndexInfo.getJobId());
    String summaryFileName = JobHistoryUtils
        .getIntermediateSummaryFileName(jobIndexInfo.getJobId());
    HistoryFileInfo fileInfo = new HistoryFileInfo(fs.getPath(), new Path(fs
        .getPath().getParent(), confFileName), new Path(fs.getPath()
        .getParent(), summaryFileName), jobIndexInfo, true);
    jobListCache.addIfAbsent(fileInfo);
  }
}
 
Example 4
Source Project: big-c   Source File: HistoryFileManager.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Searches the job history file FileStatus list for the specified JobId.
 * 
 * @param fileStatusList
 *          fileStatus list of Job History Files.
 * @param jobId
 *          The JobId to find.
 * @return A FileInfo object for the jobId, null if not found.
 * @throws IOException
 */
private HistoryFileInfo getJobFileInfo(List<FileStatus> fileStatusList,
    JobId jobId) throws IOException {
  for (FileStatus fs : fileStatusList) {
    JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(fs.getPath()
        .getName());
    if (jobIndexInfo.getJobId().equals(jobId)) {
      String confFileName = JobHistoryUtils
          .getIntermediateConfFileName(jobIndexInfo.getJobId());
      String summaryFileName = JobHistoryUtils
          .getIntermediateSummaryFileName(jobIndexInfo.getJobId());
      HistoryFileInfo fileInfo = new HistoryFileInfo(fs.getPath(), new Path(
          fs.getPath().getParent(), confFileName), new Path(fs.getPath()
          .getParent(), summaryFileName), jobIndexInfo, true);
      return fileInfo;
    }
  }
  return null;
}
 
Example 5
Source Project: dr-elephant   Source File: MapReduceFSFetcherHadoop2.java    License: Apache License 2.0 5 votes vote down vote up
private void addJobsForHistoryDir(String historyDir, List<AnalyticJob> jobs, long startTime, long endTime)
    throws Exception {
  if (_fs.exists(new Path(historyDir))) {
    RemoteIterator<LocatedFileStatus> it = _fs.listFiles(new Path(historyDir), true);
    while (it.hasNext()) {
      String histFilename = it.next().getPath().getName();
      if (histFilename.endsWith(".jhist")) {
        try {
          JobIndexInfo indexInfo = FileNameIndexUtils.getIndexInfo(histFilename);
          String appId = Utils.getApplicationIdFromJobId(indexInfo.getJobId().toString());
          // Add the job only if required.
          if (indexInfo.getFinishTime() >= startTime && indexInfo.getFinishTime() <= endTime) {
            jobs.add(new AnalyticJob().setAppId(appId).setStartTime(indexInfo.getSubmitTime()).
                setFinishTime(indexInfo.getFinishTime()).setName(indexInfo.getJobName()).
                setUser(indexInfo.getUser()).setQueueName(indexInfo.getQueueName()).
                setAppType(_fetcherConfigurationData.getAppType()));
          }
        } catch (IOException e) {
          // Fall back to parsing the filename by ourselves.
          String[] jobDetails = histFilename.split("-");
          jobs.add(new AnalyticJob().setAppId(Utils.getApplicationIdFromJobId(jobDetails[0])).
              setAppType(_fetcherConfigurationData.getAppType()));
        }
      }
    }
  }
}
 
Example 6
Source Project: hadoop   Source File: HistoryFileManager.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Clean up older history files.
 * 
 * @throws IOException
 *           on any error trying to remove the entries.
 */
@SuppressWarnings("unchecked")
void clean() throws IOException {
  long cutoff = System.currentTimeMillis() - maxHistoryAge;
  boolean halted = false;
  List<FileStatus> serialDirList = getHistoryDirsForCleaning(cutoff);
  // Sort in ascending order. Relies on YYYY/MM/DD/Serial
  Collections.sort(serialDirList);
  for (FileStatus serialDir : serialDirList) {
    List<FileStatus> historyFileList = scanDirectoryForHistoryFiles(
        serialDir.getPath(), doneDirFc);
    for (FileStatus historyFile : historyFileList) {
      JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(historyFile
          .getPath().getName());
      long effectiveTimestamp = getEffectiveTimestamp(
          jobIndexInfo.getFinishTime(), historyFile);
      if (effectiveTimestamp <= cutoff) {
        HistoryFileInfo fileInfo = this.jobListCache.get(jobIndexInfo
            .getJobId());
        if (fileInfo == null) {
          String confFileName = JobHistoryUtils
              .getIntermediateConfFileName(jobIndexInfo.getJobId());

          fileInfo = createHistoryFileInfo(historyFile.getPath(), new Path(
              historyFile.getPath().getParent(), confFileName), null,
              jobIndexInfo, true);
        }
        deleteJobFromDone(fileInfo);
      } else {
        halted = true;
        break;
      }
    }
    if (!halted) {
      deleteDir(serialDir);
      removeDirectoryFromSerialNumberIndex(serialDir.getPath());
      existingDoneSubdirs.remove(serialDir.getPath());
    } else {
      break; // Don't scan any more directories.
    }
  }
}
 
Example 7
Source Project: big-c   Source File: HistoryFileManager.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Clean up older history files.
 * 
 * @throws IOException
 *           on any error trying to remove the entries.
 */
@SuppressWarnings("unchecked")
void clean() throws IOException {
  long cutoff = System.currentTimeMillis() - maxHistoryAge;
  boolean halted = false;
  List<FileStatus> serialDirList = getHistoryDirsForCleaning(cutoff);
  // Sort in ascending order. Relies on YYYY/MM/DD/Serial
  Collections.sort(serialDirList);
  for (FileStatus serialDir : serialDirList) {
    List<FileStatus> historyFileList = scanDirectoryForHistoryFiles(
        serialDir.getPath(), doneDirFc);
    for (FileStatus historyFile : historyFileList) {
      JobIndexInfo jobIndexInfo = FileNameIndexUtils.getIndexInfo(historyFile
          .getPath().getName());
      long effectiveTimestamp = getEffectiveTimestamp(
          jobIndexInfo.getFinishTime(), historyFile);
      if (effectiveTimestamp <= cutoff) {
        HistoryFileInfo fileInfo = this.jobListCache.get(jobIndexInfo
            .getJobId());
        if (fileInfo == null) {
          String confFileName = JobHistoryUtils
              .getIntermediateConfFileName(jobIndexInfo.getJobId());

          fileInfo = new HistoryFileInfo(historyFile.getPath(), new Path(
              historyFile.getPath().getParent(), confFileName), null,
              jobIndexInfo, true);
        }
        deleteJobFromDone(fileInfo);
      } else {
        halted = true;
        break;
      }
    }
    if (!halted) {
      deleteDir(serialDir);
      removeDirectoryFromSerialNumberIndex(serialDir.getPath());
      existingDoneSubdirs.remove(serialDir.getPath());
    } else {
      break; // Don't scan any more directories.
    }
  }
}