nexus/sreweekly/markdown/7/10-the-netflix-tech-blog-automated-failure-testing.md

The Netflix Tech Blog: Automated Failure Testing

• 期号: SRE Weekly Issue #7（2016-01-24）
• 作者: —
• 链接: http://techblog.netflix.com/2016/01/automated-failure-testing.html?m=1

简介

Netflix has taken the Chaos Monkey to the next level. Now their automated system investigates the services a given request touches and injects artificial failures in various dependencies to see if they cause end-user errors. It takes a lot of guts to decide that purposefully introducing user-facing failures is the best way to ultimately improve reliability.

…we’re actually impacting 500 members requests in a day, some of which are further mitigated by retries. When you’re serving billions of requests each day, the impact of these experiments is very small.

正文

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