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THE GUIDE TO MEASURE WHAT MATTERS @markvanstraten

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<< PLAATJE DESIGN MUSEUM >>

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<< PLAATJE PHILIPS HUE >>

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WE DEVELOP ONE- OFF SOLUTIONS

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HOW DO WE MAKE MAINTENANCE CHEAP, FAST & FUN

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THE CLOUD RESULTED IN LESS CONTROL

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<< PLAATJE DENHAAG.COM >>

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Time until content update is visible? no# of views in correct translation? Actuality of our parking info?

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WHY STATSD?

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DO ONE THING AND DO IT WELL

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MEASURE WHAT YOU WANT

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SPEED OVER CONSISTENCY

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whisper 7 StatsD Carbon Graphite Measurements Aggregator Backend Rendering UI Application

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SIMPLE TO USE “key : value | type” $echo "deploy.succeeded:1|c" | nc -w 1 -u 127.0.0.1 8125

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SENDING DATA FROM C# PM> Install-Package StatsdClient StatsdClient.Metrics.Configure(new MetricsConfig { StatsdServerName = "127.0.0.1", Prefix = "website" }); StatsdClient.Metrics.Counter("coffee.brewed"); using (StatsdClient.Metrics.StartTimer("document.saved")){ await db.Save(document); }

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C# SCALA JAVA RUBY PYTHON ...

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COUNTERS no# of views in correct language?

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COUNTERS << GRAPH TONEN? >>

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TIMERS Time until content update is visible? Duration of page request?

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TIMERS

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GAUGES no# events in database?

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GAUGES

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DOCKER https://github.com/kamon-io/docker-grafana-graphite VAGRANT https://github.com/crunchie84/ubuntu-statsd-server-installer HOSTED https://www.hostedgraphite.com

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“There are only two hard things in CS: cache invalidation and naming things.” - Phil Karlton

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KNOW WHAT YOU WANT TO MEASURE

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ACTIONABLE METRICS = ❤

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KEYS.CAN.CONTAIN .PATH.SEPARATORS

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No content

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{APP.NAMESPACE.TARGET.ACTION} WEBSITE.REQUEST.RESPONSE.TIME WEBSITE.CONTENT.TRANSLATION.FOUND

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KEEP DYNAMIC PARTS AS DEEP AS POSSIBLE

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DATA BY ITSELF HAS NO VALUE TO ANYONE

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whisper Graphite Grafana

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<< PLAATJE GRAFANA >>

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TIMESHIFT

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ANNOTATIONS $echo "deploy.succeeded:1|c" | nc -w 1 -u 127.0.0.1 8125

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No content

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TAKE AWAYS

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YOU KNOW WHAT TO MEASURE

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DEVOPS IS REAL; INSTRUMENT YOUR CODE

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STATSD WILL NEVER BREAK PRODUCTION

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YOU CAN BE ENLIGHTENED IN 5 MINUTES

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@markvanstraten using (Metrics.StartTimer("talk.questions")) { await audience.askQuestions(); }