How We Actually Build MDD

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What is MDD

Content

Continuous Delivery

7

Using Monitoring and Metrics to learn in Development – Patrick Deboishttp://www.slideshare.net/jedi4ever/using-monitoring-and-metrics-to-learn-in-development

http://www.slideshare.net/jedi4ever/using-monitoring-and-metrics-to-learn-in-development















Continuous delivery

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Continuous delivery

9

Zabbix – enterprise-level

Open Source monitoring software

Who makes metrics

Step #1: Assign Metrics to metrics owners

max 100 ms for a round-trip!

<100 ms

40 000 QPS!!!

Throughput only ~ 5000 QPS~25% failed requests

use case

bid

New visitor{DATA}

Stuff we already built

What we monitor

AWS

Latencies

Step #3: Use metrics when taking decisions

DEV comments

What we’ve learned

How do you know that you application is working correctly?

How does your application performance evolve over time?

How often is your application used?

1 second problem

Load: 1000 per secondRequirement: max 40ms for transaction

Situation:900 Requests per 5ms each100 Requests per 100ms each

Result:Average: 14,5 msWhile 10% of transactions actually fail

Give freedom for developers

Tool – not so important

Make it fun

Future Plans

Application status

Visualization for DEV and Business

Fast and more accurate decisions

Improved communication

How We Actually Build MDD

Technology

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