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| path = "/public/yelp-dataset/yelp_review.csv" | |
| yelpReview = sc.newAPIHadoopFile(path, | |
| 'org.apache.hadoop.mapreduce.lib.input.TextInputFormat', | |
| 'org.apache.hadoop.io.LongWritable', | |
| 'org.apache.hadoop.io.Text', | |
| conf={'textinputformat.record.delimiter' : '\r'}) | |
| yelpReview.count() | |
| for i in yelpReview.map(lambda r: str(r[1])).take(10): print(i) | |
| for i in yelpReview. \ | |
| map(lambda r: (len(str(r[1]).split('","')), 1)). \ | |
| reduceByKey(lambda x, y: x + y). \ | |
| collect(): | |
| print(i) |
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