win10下spark+Python开发环境配置

Step0:安装好Java ,jdk

Step1:下载好:

Step2: 将解压后的hadoop和spark设置好环境变量:

在系统path变量里面+:

Step3:

  使用pip安装 py4j : pip install py4j

  如果没装pip那就先装一下

例程:wordcount.py

  运行worldcount例程发现,SPARK_HOME keyerror 然后 使用os设置了临时的环境变量。 麻蛋~ 发现重启一下编译器pycharm就好了

from pyspark import SparkContext
import os
os.environ["SPARK_HOME"] = "H:\Spark\spark-2.0.1-bin-hadoop2.7"
sc = SparkContext('local')
doc = sc.parallelize([['a', 'b', 'c'], ['b', 'd', 'd']])
words = doc.flatMap(lambda d: d).distinct().collect()
word_dict = {w: i for w, i in zip(words, range(len(words)))}
word_dict_b = sc.broadcast(word_dict)


def word_count_per_doc(d):
    dict_tmp = {}
    wd = word_dict_b.value
    for w in d:
        dict_tmp[wd[w]] = dict_tmp.get(wd[w], 0) + 1
    return dict_tmp

print(doc.map(word_count_per_doc).collect())
print("successful!")

 

posted on 2017-01-11 10:32  暴力的轮胎  阅读(2364)  评论(0编辑  收藏  举报

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