93 lines
2.7 KiB
Python
93 lines
2.7 KiB
Python
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#!/usr/bin/env python3
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# coding: utf-8
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import json
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import pandas
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import findspark
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findspark.init()
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import pyspark
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import pyspark.sql
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import sys
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import gzip
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import os
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import pyspark.sql.functions as F
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from pyspark import AccumulatorParam
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from pyspark.sql.functions import lit
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from pyspark.sql import Window
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from pyspark.sql.types import StructType, LongType, StringType, ByteType
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def main():
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global DIR
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global NAME
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global launched
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if len(sys.argv) != 4:
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print(sys.argv[0] + " {cluster} {tmpdir} {maxram}")
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sys.exit()
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DIR = os.path.dirname(__file__)
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NAME = "table-iii-all"
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if os.path.exists(DIR + "/" + NAME + "-working") or os.path.exists(DIR + "/" + NAME + ".parquet"):
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print("already launched")
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launched = True
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sys.exit()
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os.system("touch " + DIR + "/" + NAME + "-working")
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spark = pyspark.sql.SparkSession.builder \
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.appName(NAME) \
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.config("spark.driver.maxResultSize", "32g") \
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.config("spark.local.dir", sys.argv[2]) \
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.config("spark.driver.memory", sys.argv[3]) \
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.getOrCreate()
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sc = spark.sparkContext
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cluster = "a"
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df = spark.read.parquet(DIR + "/bigtable-" + cluster + ".parquet").withColumn("cluster", lit("a"))
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for cluster in "bcdefgh":
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dfn = spark.read.parquet(DIR + "/bigtable-" + cluster + ".parquet").withColumn("cluster", lit(cluster))
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df = df.union(dfn)
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df = df.withColumn("count_sum",
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df["count_0"] + \
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df["count_1"] + \
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df["count_2"] + \
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df["count_3"] + \
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df["count_4"] + \
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df["count_5"] + \
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df["count_6"] + \
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df["count_7"] + \
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df["count_8"] + \
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df["count_9"] + \
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df["count_10"])
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df = df.groupBy("task_term") \
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.agg(F.expr("percentile(count_sum, array(0.95))")[0].alias('%95'),
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F.expr("avg(count_sum)").alias('mean'),
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F.expr("avg(count_0)").alias('avg_count_0'),
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F.expr("avg(count_1)").alias('avg_count_1'),
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F.expr("avg(count_2)").alias('avg_count_2'),
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F.expr("avg(count_3)").alias('avg_count_3'),
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F.expr("avg(count_4)").alias('avg_count_4'),
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F.expr("avg(count_5)").alias('avg_count_5'),
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F.expr("avg(count_6)").alias('avg_count_6'),
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F.expr("avg(count_7)").alias('avg_count_7'),
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F.expr("avg(count_8)").alias('avg_count_8'),
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F.expr("avg(count_9)").alias('avg_count_9'),
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F.expr("avg(count_10)").alias('avg_count_10'))
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df.repartition(1).write.option("header", True).csv(DIR + "/" + NAME + ".csv")
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if __name__ == "__main__":
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launched = False
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try:
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main()
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finally:
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if not launched:
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os.system("rm -v " + DIR + "/" + NAME + "-working")
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# vim: set ts=4 sw=4 et tw=120:
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