November 2017
Intermediate to advanced
328 pages
6h 51m
Japanese
Content preview from 入門 PySpark ―PythonとJupyterで活用するSpark 2エコシステム
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252
付録
A
Apache Spark
のインストール
vi ~/.bash_profile
そして、次の行を追加してください。
export PATH=$HOME/Spark/bin:$PATH
export PYSPARK_PYTHON=$HOME/anaconda/bin/python3
export PYSPARK_DRIVER_PYTHON=jupyter
export PYSPARK_DRIVER_PYTHON_OPTS='notebook' pyspark
最初の行では、新たにコンパイルされたバイナリ（
pyspark
は
~/Spark/bin
フォルダにあります）
が
bash
の環境で見つかるようにしています。そのため、これで
~/Spark/bin/pyspark
としなくて
も、次のようにするだけで PySpark が立ち上がるようになります。
pyspark
環境変数の
PYSPARK_PYTHON
は、エクゼキュータが（デフォルトの Python 2.7ではなく）確実に
Python 3.5で動作するようにするためのものです。
PYSPARK_DRIVER_PYTHON
は、PySparkのインタラクティブシェルをコマンドラインで実行する
のではなく、Jupyterのインスタンスを起動するよう
jupyter
にシステムに対して指示させるためのも
のです。
PYSPARK_DRIVER_PYTHON_OPTS
は、Jupyterに対して
notebook
パラメータを Jupyterに渡
し、それを
pyspark ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.