X-Git-Url: https://code.communitydata.science/cdsc_reddit.git/blobdiff_plain/4ec9c1424711eb81edf6b6431d5dfae360013174..HEAD:/submissions_2_parquet_part2.py diff --git a/submissions_2_parquet_part2.py b/submissions_2_parquet_part2.py deleted file mode 100644 index 1708548..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 - -import pyspark -from pyspark.sql import functions as f -from pyspark.sql.types import * -from pyspark import SparkConf, SparkContext -from pyspark.sql import SparkSession, SQLContext -import os - -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. -df2 = df.sort(["subreddit","author","id","Year","Month","Day"],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. -df3 = df.sort(["author","CreatedAt","subreddit","id","Year","Month","Day"],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")