// set log level for these classes to error to suppress spewing warnings about splits
org.apache.log4j.Logger.getLogger("org.apache.hadoop.mapreduce.split.JobSplitWriter").setLevel(Level.ERROR);
org.apache.log4j.Logger.getLogger("org.apache.hadoop.mapreduce.split.SplitMetaInfoReader").setLevel(Level.ERROR);
_jobConcurrency = Integer.parseInt((String)_props.get("job.concurrency"));
_executor = new StagedOutputJobExecutor(_jobConcurrency);
parseJobs = new ParseJobsFromLogs(name, props);
usagePerHour = new ComputeUsagePerHour(name, props);
parseJobConfs = new ParseJobConfs(name, props);
}