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一頭豬腳本(不是特別複雜得多,我已經建立的任何其他人)在作業開始前,似乎在這個循環很長一段時間:特別長豬作業開始時間
2013-10-08 10:46:07,655 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 10
2013-10-08 10:46:07,659 [main] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths to process : 10
2013-10-08 10:46:09,168 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 10
2013-10-08 10:46:09,168 [main] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths to process : 10
2013-10-08 10:46:11,381 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 10
2013-10-08 10:46:11,381 [main] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths to process : 10
2013-10-08 10:46:13,875 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 10
2013-10-08 10:46:13,875 [main] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths to process : 10
2013-10-08 10:46:16,303 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 10
它重複上述大約4分鐘,通常這個步驟在幾秒鐘內完成。我一直無法確定原因 - 除了刪除部分腳本外,這個問題似乎並不是由腳本的任何特定部分引起的。我還有其他腳本像這個一樣複雜,我沒有這個問題。什麼可能導致這個問題?