Change Failure Rate - CI/CD用語集の定義
Change failure rate は、本番環境を壊して修正や rollback を必要とする deployment の割合です。
Change failure rate とは、本番環境で修復(hotfix、rollback、patch)を必要とする障害を引き起こす deployment の割合です。DORA メトリクスの4つのうちの1つです。
なぜ重要か
change failure rate が低く、かつ deployment frequency が高い場合、自動テストと CI の gate がリリース前に欠陥を捕捉できていることを示します。
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