示例#1
0
 public PartialJob(JobIndexInfo jobIndexInfo, JobId jobId) {
   this.jobIndexInfo = jobIndexInfo;
   this.jobId = jobId;
   jobReport = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobReport.class);
   jobReport.setSubmitTime(jobIndexInfo.getSubmitTime());
   jobReport.setStartTime(jobIndexInfo.getJobStartTime());
   jobReport.setFinishTime(jobIndexInfo.getFinishTime());
   jobReport.setJobState(getState());
 }
  /**
   * Clean up older history files.
   *
   * @throws IOException on any error trying to remove the entries.
   */
  @SuppressWarnings("unchecked")
  void clean() throws IOException {
    // TODO this should be replaced by something that knows about the directory
    // structure and will put less of a load on HDFS.
    long cutoff = System.currentTimeMillis() - maxHistoryAge;
    boolean halted = false;
    // TODO Delete YYYY/MM/DD directories.
    List<FileStatus> serialDirList = findTimestampedDirectories();
    // 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) {
        doneDirFc.delete(doneDirFc.makeQualified(serialDir.getPath()), true);
        removeDirectoryFromSerialNumberIndex(serialDir.getPath());
        existingDoneSubdirs.remove(serialDir.getPath());
      } else {
        break; // Don't scan any more directories.
      }
    }
  }
  /**
   * 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.
      }
    }
  }
    private synchronized void moveToDone() throws IOException {
      if (LOG.isDebugEnabled()) {
        LOG.debug("moveToDone: " + historyFile);
      }
      if (!isMovePending()) {
        // It was either deleted or is already in done. Either way do nothing
        if (LOG.isDebugEnabled()) {
          LOG.debug("Move no longer pending");
        }
        return;
      }
      try {
        long completeTime = jobIndexInfo.getFinishTime();
        if (completeTime == 0) {
          completeTime = System.currentTimeMillis();
        }
        JobId jobId = jobIndexInfo.getJobId();

        List<Path> paths = new ArrayList<Path>(2);
        if (historyFile == null) {
          LOG.info("No file for job-history with " + jobId + " found in cache!");
        } else {
          paths.add(historyFile);
        }

        if (confFile == null) {
          LOG.info("No file for jobConf with " + jobId + " found in cache!");
        } else {
          paths.add(confFile);
        }

        if (summaryFile == null) {
          LOG.info("No summary file for job: " + jobId);
        } else {
          String jobSummaryString = getJobSummary(intermediateDoneDirFc, summaryFile);
          SUMMARY_LOG.info(jobSummaryString);
          LOG.info("Deleting JobSummary file: [" + summaryFile + "]");
          intermediateDoneDirFc.delete(summaryFile, false);
          summaryFile = null;
        }

        Path targetDir = canonicalHistoryLogPath(jobId, completeTime);
        addDirectoryToSerialNumberIndex(targetDir);
        makeDoneSubdir(targetDir);
        if (historyFile != null) {
          Path toPath = doneDirFc.makeQualified(new Path(targetDir, historyFile.getName()));
          if (!toPath.equals(historyFile)) {
            moveToDoneNow(historyFile, toPath);
            historyFile = toPath;
          }
        }
        if (confFile != null) {
          Path toPath = doneDirFc.makeQualified(new Path(targetDir, confFile.getName()));
          if (!toPath.equals(confFile)) {
            moveToDoneNow(confFile, toPath);
            confFile = toPath;
          }
        }
        state = HistoryInfoState.IN_DONE;
      } catch (Throwable t) {
        LOG.error("Error while trying to move a job to done", t);
        this.state = HistoryInfoState.MOVE_FAILED;
      }
    }