我是Spark的新手,我正在尝试通过参考以下网站来安装PySpark.
http://ramhiser.com/2015/02/01/configuring-ipython-notebook-support-for-pyspark/
我试图安装两个预构建的包,也通过SBT构建Spark包.
当我尝试在IPython Notebook中运行python代码时,我得到以下错误.
NameError Traceback (most recent call last)
<ipython-input-1-f7aa330f6984> in <module>()
1 # Check that Spark is working
----> 2 largeRange = sc.parallelize(xrange(100000))
3 reduceTest = largeRange.reduce(lambda a, b: a + b)
4 filterReduceTest = largeRange.filter(lambda x: x % 7 == 0).sum()
5
NameError: name 'sc' is not defined
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在命令窗口中,我可以看到以下错误.
<strong>Failed to find Spark assembly JAR.</strong>
<strong>You need to build Spark before running this program.</strong>
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请注意,当我执行spark-shell命令时,我得到了一个scala提示符
更新:
在朋友的帮助下,我能够通过更正.ipython/profile_pyspark/startup/00-pyspark-setup.py文件的内容来解决与Spark程序集JAR相关的问题.
我现在只有Spark Context变量的问题.更改标题以适当反映我当前的问题.