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Java TaskLog.LOGS_TRACKED_BY_INDEX_FILES属性代码示例

本文整理汇总了Java中org.apache.hadoop.mapred.TaskLog.LOGS_TRACKED_BY_INDEX_FILES属性的典型用法代码示例。如果您正苦于以下问题:Java TaskLog.LOGS_TRACKED_BY_INDEX_FILES属性的具体用法?Java TaskLog.LOGS_TRACKED_BY_INDEX_FILES怎么用?Java TaskLog.LOGS_TRACKED_BY_INDEX_FILES使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在org.apache.hadoop.mapred.TaskLog的用法示例。


在下文中一共展示了TaskLog.LOGS_TRACKED_BY_INDEX_FILES属性的2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: updateIndicesAfterLogTruncation

/**
 * Truncation of logs is done. Now sync the index files to reflect the
 * truncated sizes.
 * 
 * @param firstAttempt
 * @param updatedTaskLogFileDetails
 */
private void updateIndicesAfterLogTruncation(String location,
    Map<Task, Map<LogName, LogFileDetail>> updatedTaskLogFileDetails) {
  for (Entry<Task, Map<LogName, LogFileDetail>> entry : 
                              updatedTaskLogFileDetails.entrySet()) {
    Task task = entry.getKey();
    Map<LogName, LogFileDetail> logFileDetails = entry.getValue();
    Map<LogName, Long[]> logLengths = new HashMap<LogName, Long[]>();
    // set current and previous lengths
    for (LogName logName : TaskLog.LOGS_TRACKED_BY_INDEX_FILES) {
      logLengths.put(logName, new Long[] { Long.valueOf(0L),
          Long.valueOf(0L) });
      LogFileDetail lfd = logFileDetails.get(logName);
      if (lfd != null) {
        // Set previous lengths
        logLengths.get(logName)[0] = Long.valueOf(lfd.start);
        // Set current lengths
        logLengths.get(logName)[1] = Long.valueOf(lfd.start + lfd.length);
      }
    }
    try {
      TaskLog.writeToIndexFile(location, task.getTaskID(),
          task.isTaskCleanupTask(), logLengths);
    } catch (IOException ioe) {
      LOG.warn("Exception encountered while updating index file of task "
          + task.getTaskID()
          + ". Ignoring and continuing with other tasks.", ioe);
    }
  }
}
 
开发者ID:Nextzero,项目名称:hadoop-2.6.0-cdh5.4.3,代码行数:36,代码来源:TaskLogsTruncater.java

示例2: updateIndicesAfterLogTruncation

/**
 * Truncation of logs is done. Now sync the index files to reflect the
 * truncated sizes.
 * 
 * @param firstAttempt
 * @param updatedTaskLogFileDetails
 */
private void updateIndicesAfterLogTruncation(TaskAttemptID firstAttempt,
    Map<Task, Map<LogName, LogFileDetail>> updatedTaskLogFileDetails) {
  for (Entry<Task, Map<LogName, LogFileDetail>> entry : 
                              updatedTaskLogFileDetails.entrySet()) {
    Task task = entry.getKey();
    Map<LogName, LogFileDetail> logFileDetails = entry.getValue();
    Map<LogName, Long[]> logLengths = new HashMap<LogName, Long[]>();
    // set current and previous lengths
    for (LogName logName : TaskLog.LOGS_TRACKED_BY_INDEX_FILES) {
      logLengths.put(logName, new Long[] { Long.valueOf(0L),
          Long.valueOf(0L) });
      LogFileDetail lfd = logFileDetails.get(logName);
      if (lfd != null) {
        // Set previous lengths
        logLengths.get(logName)[0] = Long.valueOf(lfd.start);
        // Set current lengths
        logLengths.get(logName)[1] = Long.valueOf(lfd.start + lfd.length);
      }
    }
    try {
      TaskLog.writeToIndexFile(firstAttempt, task.getTaskID(),
          task.isTaskCleanupTask(), logLengths);
    } catch (IOException ioe) {
      LOG.warn("Exception in updateIndicesAfterLogTruncation : "
          + StringUtils.stringifyException(ioe));
      LOG.warn("Exception encountered while updating index file of task "
          + task.getTaskID()
          + ". Ignoring and continuing with other tasks.");
    }
  }
}
 
开发者ID:rhli,项目名称:hadoop-EAR,代码行数:38,代码来源:TaskLogsMonitor.java


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