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CIRCUIT BREAKING
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@mattheath
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DATABASE APPLICATION
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DATABASE APPLICATION
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DATABASE DATABASES APPLICATION CACHE SEARCH CAT GIFS
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ALL HAIL THE MONOLITH
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MONOLITH
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FALLACIES OF DISTRIBUTED COMPUTING
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DEALING WITH FAILURE
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TIMING OUT AND MOVING ON
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SENSIBLE TIMEOUTS?
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MEASURE EVERYTHING
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TIMEOUT?
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile ? ??
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api service.signup service.profile api service.signup service.profile ?
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FAST RETRY FAILURES?
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MAKE PROBLEMS WORSE.
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile
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DEFERRED RETRIES?
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EVENT DRIVEN ARCHITECTURES
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CIRCUIT BREAKERS
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api service.signup service.profile api service.signup service.profile
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api service.signup service.profile api service.signup service.profile Server Client Logic
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api service.signup service.profile api service.signup service.profile Server Client Logic
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Client Remote Server Circuit Breaker
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Client Remote Server Circuit Breaker Error! Error!
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Client Remote Server Circuit Breaker Timeout! Timeout!
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Client Remote Server Circuit Breaker Circuit Open! OPEN
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client := circuit.NewHTTPClient( time.Second * 5, // timeout 10, // threshold nil // http.Client ) resp, err := client.Get( “http://beesbeesbees.com/" )
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cb := circuit.NewRateBreaker( 0.95, // trip at 95% errors 100, // with 100 samples ) cb.Call(func() error { // do something }, time.Second * 5)
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MONITORING
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DISTRIBUTED TRACING
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Switch & Fuses - The Q Speaks: http://goo.gl/RVglEq Network Cables - Steven Kreuzer: http://goo.gl/QS0Q0K MSC Napoli - Gary Tanner: http://goo.gl/Yyoatk Stopwatch - William Warby: http://goo.gl/LZZBb6 Shoot Again - Stéfan: http://goo.gl/TCgg8R Hystrix diagrams via Netflix: http://goo.gl/Gul9n4 THANKS