August 2015
Intermediate to advanced
312 pages
7h 28m
Japanese
Content preview from 初めてのSpark
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11
2.2 Spark の Python および Scala シェルの紹介
ローンジョブ群が含まれています。
Spark
プロジェクトには大量のディレクトリやファイルがありますが、心配することはありませ
ん。それらのほとんどは、本書でこの後取り上げていきます。この時点では、
Spark
の
Python
お
よび
Scala
のシェルを試していくことにしましょう。まずは、
Spark
に付属しているサンプルをい
くつか実行してみて、その後に自分自身のシンプルな
Spark
ジョブを書いて、コンパイルし、実
行してみましょう。
本章で行う作業は、いずれも
Spark
をーーで動作させます。これは非分散モードで
あり、使うマシンは
1
台だけです。
Spark
は多彩なモード、あるいは環境で動作させることができ
ます。ローカルモードの先には、
Mesos
、
YARN
、あるいは
Spark
のディストリビューションに含
まれている
Standalone Scheduler
で動作させる方法があります。各種のデプロイメントモードに
ついては、
7
で取り上げます。
2.2
Spark
の
Python
Scala
ルの
Spark
にはインタラクティブシェルが付属しており、それを使ってアドホックなデータ解析を行
うことができます。
R
や
Python
、
Scala
、あるいは
Bash
や
Windows
のコマンドプロンプトのよ
うなオペレーティングシステムのシェルを使った経験があれば、
Spark
のシェルにもすぐ馴染める
はずです。
とはいえ、他の多くのシェルがあくまで単一のマシン上のディスクやメモリ内のデータを扱うも ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.