The document discusses how to build monitoring-driven development (MDD) using metrics. It recommends assigning metrics owners to monitor key metrics like latency, throughput, failures and system resources. Metrics are used to make development and business decisions by highlighting performance issues and how the application and its usage evolves over time. The goal is to give developers freedom and insight while speeding up decision making through easy visualization of metrics for both technical and business stakeholders. This helps improve communication, catch problems early and build applications that are high performing and meet requirements.

1. How We Actually Build MDD

2. 36 190

3. 110k
300

4. What is MDD

5. Content

6. Continuous Delivery

7. Using Monitoring and Metrics to learn in Development – Patrick Debois
http://www.slideshare.net/jedi4ever/using-monitoring-and-metrics-to-learn-in-development
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8. Continuous delivery
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9. Continuous delivery
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10. Tool

13. Zabbix – enterprise-level
Open Source monitoring software

14. Who makes metrics

16. Step #1: Assign Metrics to metrics owners

21. use case
bid
<100 ms
New visitor{DATA}
max 100 ms for a round-trip!
40 000 QPS!!!
Throughput only ~ 5000 QPS
~25% failed requests

29. GET

32. Stuff we already built

33. What we monitor
AWS

34. Money

35. Latencies

36. Latencies

37. Step #3: Use metrics when taking decisions

38. DEV comments

39. DEV comments

40. What we’ve learned

41. How do you know that you application is working correctly?

42. How does your application performance evolve over time?

43. How often is your application used?

44. 1 second problem
Load: 1000 per second
Requirement: max 40ms for transaction
Situation:
900 Requests per 5ms each
100 Requests per 100ms each
Result:
Average: 14,5 ms
While 10% of transactions actually fail

45. Give freedom for developers

46. Tool – not so important

47. Make it fun

48. Future Plans

49. Application status

51. Visualization for DEV and Business
Fast and more accurate decisions
Improved communication