add note to try other tf normalization strategies.

[cdsc_reddit.git] / submissions_2_parquet_part2.py

diff --git a/submissions_2_parquet_part2.py b/submissions_2_parquet_part2.py
deleted file mode 100644 (file)
index bd538e2..0000000
--- a/submissions_2_parquet_part2.py
+++ /dev/null
@@ -1,42 +0,0 @@
-#!/usr/bin/env python3
-
-# spark script to make sorted, and partitioned parquet files 
-
-from pyspark.sql import functions as f
-from pyspark.sql import SparkSession
-
-spark = SparkSession.builder.getOrCreate()
-
-sc = spark.sparkContext
-
-conf = SparkConf().setAppName("Reddit submissions to parquet")
-conf = conf.set("spark.sql.shuffle.partitions",2000)
-conf = conf.set('spark.sql.crossJoin.enabled',"true")
-conf = conf.set('spark.debug.maxToStringFields',200)
-sqlContext = pyspark.SQLContext(sc)
-
-df = spark.read.parquet("/gscratch/comdata/output/reddit_submissions.parquet_temp")
-
-df = df.withColumn("subreddit_2", f.lower(f.col('subreddit')))
-df = df.drop('subreddit')
-df = df.withColumnRenamed('subreddit_2','subreddit')
-df = df.withColumnRenamed("created_utc","CreatedAt")
-df = df.withColumn("Month",f.month(f.col("CreatedAt")))
-df = df.withColumn("Year",f.year(f.col("CreatedAt")))
-df = df.withColumn("Day",f.dayofmonth(f.col("CreatedAt")))
-df = df.withColumn("subreddit_hash",f.sha2(f.col("subreddit"), 256)[0:3])
-
-# next we gotta resort it all.
-df = df.repartition("subreddit")
-df2 = df.sort(["subreddit","CreatedAt","id"],ascending=True)
-df2 = df.sortWithinPartitions(["subreddit","CreatedAt","id"],ascending=True)
-df2.write.parquet("/gscratch/comdata/output/reddit_submissions_by_subreddit.parquet", partitionBy=["Year",'Month'], mode='overwrite')
-
-
-# # we also want to have parquet files sorted by author then reddit. 
-df = df.repartition("author")
-df3 = df.sort(["author","CreatedAt","id"],ascending=True)
-df3 = df.sortWithinPartitions(["author","CreatedAt","id"],ascending=True)
-df3.write.parquet("/gscratch/comdata/output/reddit_submissions_by_author.parquet", partitionBy=["Year",'Month'], mode='overwrite')
-
-os.remove("/gscratch/comdata/output/reddit_submissions.parquet_temp")