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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286
付録
B
無料で利用できるクラウド上の
Spark
BLOB のタイルをクリックすれば、Blob Storageの内容を見ることができます。Blob Storageはデー
タの内容にまったく依存しないので、テキスト、CSV、parquet、JSONなど（これらは一部の例に過
ぎません）、文字通りいかなるフォーマットのデータも保存できます。データは構造化されていてもいな
くてもかまいません。
コンテナ名をクリックすれば、続くウィンドウでそのコンテナ内の既存ファイルの長いリストが表示
されます。最上部にあるアップロードをクリックし、ファイルを選択し、タブの下部にあるアップロー
ドボタンをクリックしてください。
さあ、それではコードを実行してみましょう。
B.2.7
セッションの設定
ただしその前に、セッションの設定が必要になります。この時点では、8コアの CPUと56GB のRAM
を持つ4 つのワーカーがあるので、データに合わせてジョブを細かくチューニングしましょう。まず
Azure ポータルにいき、使用する Azure HDInsightクラスタをクリックし、クラスタダッシュボードを
ク リ ッ ク し 、最 後 に Jupyter Notebookを クリックします 。こ れ で Jupyter notebookのメインスクリーン
が開きます。PySparkとScalaという 2つのフォルダがあるはずです。
Newをクリックし、Folder を選択して新しいフォルダを作成してください。続いて、作
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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.