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Python SparkContext.range方法代码示例

本文整理汇总了Python中pyspark.SparkContext.range方法的典型用法代码示例。如果您正苦于以下问题:Python SparkContext.range方法的具体用法?Python SparkContext.range怎么用?Python SparkContext.range使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在pyspark.SparkContext的用法示例。


在下文中一共展示了SparkContext.range方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: SearchTiles_and_Factorize

# 需要导入模块: from pyspark import SparkContext [as 别名]
# 或者: from pyspark.SparkContext import range [as 别名]
def SearchTiles_and_Factorize(n): 
	global globalmergedtiles
	global globalcoordinates
	global factors_accum 
	global spcon

	spcon = SparkContext("local[4]","Spark_TileSearch_Optimized")

	if persisted_tiles == True:
        	tileintervalsf=open("/home/shrinivaasanka/Krishna_iResearch_OpenSource/GitHub/asfer-github-code/cpp-src/miscellaneous/DiscreteHyperbolicFactorizationUpperbound_TileSearch_Optimized.tileintervals","r")

        	tileintervalslist=tileintervalsf.read().split("\n")
		#print "tileintervalslist=",tileintervalslist
        	tileintervalslist_accum=spcon.accumulator(tilesintervalslist, VectorAccumulatorParam())
		paralleltileintervals=spcon.parallelize(tileintervalslist)
		paralleltileintervals.foreach(tilesearch)
	else:
		factorsfile=open("DiscreteHyperbolicFactorizationUpperbound_TileSearch_Optimized.factors","w")
		hardy_ramanujan_ray_shooting_queries(n)
		hardy_ramanujan_prime_number_theorem_ray_shooting_queries(n)
		baker_harman_pintz_ray_shooting_queries(n)
		cramer_ray_shooting_queries(n)
		zhang_ray_shooting_queries(n)
        	factors_accum=spcon.accumulator(factors_of_n, FactorsAccumulatorParam())
		#spcon.parallelize(xrange(1,n)).foreach(tilesearch_nonpersistent)
		spcon.parallelize(spcon.range(1,n).collect()).foreach(tilesearch_nonpersistent)
		print "factors_accum.value = ", factors_accum.value
		factors=[]
		factordict={}
		for f in factors_accum.value:
			factors += f
		factordict[n]=factors
		json.dump(factordict,factorsfile)
		return factors
开发者ID:shrinivaasanka,项目名称:asfer-github-code,代码行数:36,代码来源:DiscreteHyperbolicFactorizationUpperbound_TileSearch_Optimized.py

示例2: SparkContext

# 需要导入模块: from pyspark import SparkContext [as 别名]
# 或者: from pyspark.SparkContext import range [as 别名]
from __future__ import print_function

import sys

from pyspark import SparkContext
from pyspark.streaming import StreamingContext

if __name__ == "__main__":
    sc = SparkContext(appName="PythonStreamingNetworkWordCount")
    rdd = sc.range(1, 1000)

    counts = rdd.map(lambda i: i * 2)
    counts.saveAsTextFile("s3://uryyyyyyy-sandbox/py.log")
开发者ID:uryyyyyyy,项目名称:hadoopSample,代码行数:15,代码来源:batch.py

示例3: SparkContext

# 需要导入模块: from pyspark import SparkContext [as 别名]
# 或者: from pyspark.SparkContext import range [as 别名]
from pyspark import SparkContext
from pyspark.sql import SQLContext

# setup spark context
from pyspark.sql.types import StructType, StructField, StringType

sc = SparkContext("local", "data_processor")
sqlC = SQLContext(sc)
# create dummy data frames

rdd1 = sc.range(0,10000000).map(lambda x: ("key "+str(x), x)).repartition(100)
rdd2 = sc.range(0,10000).map(lambda x: ("key "+str(x), x)).repartition(10)



# Define schema
schema = StructType([
    StructField("Id", StringType(), True),
    StructField("Packsize", StringType(), True)
])

schema2 = StructType([
    StructField("Id2", StringType(), True),
    StructField("Packsize", StringType(), True)
])

df1 = sqlC.createDataFrame(rdd1,schema)
df2 = sqlC.createDataFrame(rdd2,schema2)

print df1.rdd.getNumPartitions()
print df2.rdd.getNumPartitions()
开发者ID:GeorgeDittmar,项目名称:pyspark-lab,代码行数:33,代码来源:MapSideJoin.py


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