I want to use use fileStream in spark streaming to monitor multi hdfs
directories, such as:
val list_join_action_stream = ssc.fileStream[LongWritable, Text,
TextInputFormat]("/user/root/*/*", check_valid_file(_),
false).map(_._2.toString).print
Buy the way, i could not under the meaning of the three class :
LongWritable, Text, TextInputFormat
but it doesn't work...
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