ngrams/sort_tf_comments.py

   1 #!/usr/bin/env python3
   2
   3 from pyspark.sql import functions as f
   4 from pyspark.sql import SparkSession
   5
   6 spark = SparkSession.builder.getOrCreate()
   7 df = spark.read.parquet("/gscratch/comdata/users/nathante/reddit_tfidf_test.parquet_temp/")
   8
   9 df = df.repartition(2000,'term')
  10 df = df.sort(['term','week','subreddit'])
  11 df = df.sortWithinPartitions(['term','week','subreddit'])
  12
  13 df.write.parquet("/gscratch/comdata/users/nathante/reddit_tfidf_test_sorted_tf.parquet_temp",mode='overwrite',compression='snappy')