June 2020
Intermediate to advanced
516 pages
7h 4m
Japanese
book
サイトリライアビリティワークブック ―SREの実践方法
by Betsy Beyer, Niall Richard Murphy, David K. Rensin, Kent Kawahara, Stephen Thorne, 澤田 武男, 関根 達夫, 細川 一茂, 矢吹 大輔, 玉川 竜司
Content preview from サイトリライアビリティワークブック ―SREの実践方法
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付録Cポストモーテム分析の結果
Googleには、インシデントの根本原因とトリガーを一貫して捉えることができる標準のポストモーテムテンプレートがあり、それによってトレンド分析が可能になっています。私たちはこのトレンド分析を使い、問題のあるソフトウェアインターフェースの設計や成熟していない変更デプロイメント計画といった体系的な根本原因への対処目標の改善に役立てます。表C-1は、過去7年間にわたる大量のポストモーテムのサンプルに基づく、障害の上位8つのトリガーの分析です。
表C-1 障害の上位8つのトリガー、2010-2017
| バイナリのプッシュ | 37% |
| 設定のプッシュ | 31% |
| ユーザーの振る舞いの変更 | 9% |
| 処理パイプライン | 6% |
| サービスプロバイダーの変更 | 5% |
| パフォーマンスの低下 | 5% |
| キャパシティ管理 | 5% |
| ハードウェア | 2% |
表C-2は、寄与する根本原因の分類の上位5つです。
表C-2 障害の上位5つの根本原因
| ソフトウェア | 41.35%% |
| 開発プロセスの失敗 | 20.23% |
| 複雑なシステムの振る舞い | 16.90% |
| デプロイメント計画 | 6.74% |
| ネットワーク障害 | 2.75% |
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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.