hadoop - Check whether a given input file in HDFS is being used by any job at a given point in time -
hadoop - Check whether a given input file in HDFS is being used by any job at a given point in time -
if submit input file in hdfs , run multiple jobs access file, there way check whether input file beingness accessed of these jobs and/or of these jobs @ given instant in time?
you can print filename within mapper of job. when job runs print name , can find out file beingness used job @ time. how can filename within mapper :
filesplit filesplit = (filesplit)context.getinputsplit(); string filename = filesplit.getpath().getname();
hth
hadoop hdfs jobs
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