A DIY M&Ms and Skittles sorting machine

Re:A DIY M&Ms and Skittles sorting machine by ot on Monday February 06, 2017 @04:39AM (#13577964)

In the Google SRE book they say that if a service has reliability much better than the stated SLO they artificially introduce errors to get closer to the error budget.

This is to prevent over-reliance on the measured SLO rather than the stated SLO in upstream services.

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Re:A DIY M&Ms and Skittles sorting machine by aaron695 on Monday February 06, 2017 @05:37AM (#13578255)

This sounds very very odd?

Why ride the line? It'd take one major issue then you're way over you error budget?

For testing/simulations I can see why you'd introduce the errors.

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Re:A DIY M&Ms and Skittles sorting machine by jcl on Monday February 06, 2017 @12:59PM (#13582107)

My understanding is that they don't bring the service to exactly the SLO... To prevent overreliance on a service, it can be sufficient to introduce some level of failure, which may still be well above the SLO.

http://danluu.com/google-sre-book/#chapter-4-service-level-o...

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Re:A DIY M&Ms and Skittles sorting machine by avar on Monday February 06, 2017 @08:26AM (#13579184)

One major issue and you stop artificially inserting errors, which are inserted at a rate such that you could turn off the error inserted within some timely manner and still stay within budget.

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Re:A DIY M&Ms and Skittles sorting machine by Natanael_L on Monday February 06, 2017 @07:09AM (#13578706)

Netflix has Chaos Monkey. The purpose is to find unexpected flaws and risks.

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