August 2015
Intermediate to advanced
312 pages
7h 28m
Japanese
Content preview from 初めてのSpark
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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.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.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.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.
249
A
行の
土橋 昌（ＮＴＴデータ）
2015
年
2
月に
Spark 1.2.1
がリリースされて以降、数多くの修正や新機能が追加されました。
Spark
は、マイナーバージョンアップにおいて
API
の後方互換性を維持する方針で開発されてい
るため、新しくリリースされたバージョンの新機能をすばやく試すことができます。
本稿では、バージョン
1.2.1
以降の改善ポイントを時系列順に紹介します。
A.1
A
のいて
公開されたリリースノートを中心に一部補足を加えながら、主要な変更点をまとめました
†
。
新機能と既存機能の改善内容には、［機能改善］、不具合の修正には［バグ修正］と付記していま
す。バグトラッキングシステム
JIRA
上で特定の課題管理番号が付与されて対応済みの項目には、
その管理番号（
SPARK-NNNN
）を付記しています。
A.2
バージン
1.2.1
のな
本バージョンアップでは、バグの修正を中心にした対応が行われました。
Spark
コア、
Spark
Streaming
には、いくつか重要なバグ修正が含まれていました。
A.2.1
Spark
コア
• SPARK-4837:
［バグ修正］
NettyBlockTransferService
で
spark.blockManager.port
通り
にポート設定がされない不具合の修正
• SPARK-4595:
［バグ修正］
MetricsServlet
が正常に初期化されない不具合の修正
• SPARK-5355:
［バグ修正］
SparkConf ...
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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.