FairSchedulerEventLog.java 文件源码

java
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项目:big-c 作者:
boolean init(FairSchedulerConfiguration conf) {
  if (conf.isEventLogEnabled()) {
    try {
      logDir = conf.getEventlogDir();
      File logDirFile = new File(logDir);
      if (!logDirFile.exists()) {
        if (!logDirFile.mkdirs()) {
          throw new IOException(
              "Mkdirs failed to create " + logDirFile.toString());
        }
      }
      String username = System.getProperty("user.name");
      logFile = String.format("%s%shadoop-%s-fairscheduler.log",
          logDir, File.separator, username);
      logDisabled = false;
      PatternLayout layout = new PatternLayout("%d{ISO8601}\t%m%n");
      appender = new DailyRollingFileAppender(layout, logFile, "'.'yyyy-MM-dd");
      appender.activateOptions();
      LOG.info("Initialized fair scheduler event log, logging to " + logFile);
    } catch (IOException e) {
      LOG.error(
          "Failed to initialize fair scheduler event log. Disabling it.", e);
      logDisabled = true;
    }
  } else {
    logDisabled = true;
  }
  return !(logDisabled);
}
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