Monitorama 2013

Slides from my session at Monitorama 2013

Transcript

1. So.... Monitorama What's THAT all about?
2. “We'll be hearing talks from leading open source developers and web operations luminaries, and then taking what we've learned to apply it towards advancing the state of open source monitoring and trending software.”
4. ALLSPAW AUTHOR AUTHOR LOGSTASH CEPMON An actual fucking scientist RIEMANN GRAPHITE RAILSMACHINE GITHUB SENSU 37signals Heroku Github BOUNDARY PAPERLESS POST ETSY LIBRATO AUTHOR Wrote all the software in the world
5. • Complains a lot on the internet • Hates Maven • Won't stop complaining on the internet • Hates MongoDB • Does this guy ever stop complaining?
7. #monitoringsucks
8. #monitoringlove
9. “We'll be hearing talks from leading open source developers and web operations luminaries, and then taking what we've learned to apply it towards advancing the state of open source monitoring and trending software.”
10. Security
11. Automation • Automation is cool and awesome and necessary • Automate everything! • Automate our scaling based on our metrics!
13. Oh hey! A random UDP packet with metric data. Lemme just automatically launch a few new EC2 instances.....
14. We can no longer ignore the lack of security in our data collection systems. Seriously.
15. Retention
16. Telemetry Data • Collect ALL the metrics. • Even the ones we don't understand • Stuff said on Twitter and Facebook • Nordic Arachnid Flatulence.
18. Oh hey. How's that network saturation looking?
19. Real talk • Realize you can't store every bit of data you collect forever • You would likely need more hardware to retain the data about your infrastructure than the infrastructure itself • Logs are likely still your richest source of data • Don't collect something just because it's tradition • We need science not folklore
20. What you need to know • Is the system doing what it's supposed to? • Is the business able to do what it's supposed to?
21. Interpretation
26. • I shouldn't need to go to a Tufte seminar to understand why shit is broken. • We need a GoF for common visualizations of common data points • Watch out for mud radios
27. Alerting
28. Pager Duty Alert. You have one triggered incident on US PROD N-A-G-I-O-S. The failure is …..
29. The failure is you won't leave me the hell alone
30. Alert fatigue is the single biggest problem we have right now.
31. The Big Mistake One Event – One Alert
32. Things I don't alert on • Memory usage • CPU Usage • Load Average
33. Things I do alert on • JVM OOMs • Latency • Connection pool failures • Is shit working?
34. Real Talk Part 2 • Alert on actionable things • Thresholds are ever-evolving
35. We need to be more intelligent about our alerts or we'll all go insane.
37. A few final thoughts
38. Brain dump • Rollups • Event Correlation • Riemann • Storm + Esper • ElasticSearch
39. Things we need to accept • JSON costs you precision • The JVM is not the end of the world • Nagios isn't going anywhere • Each additional component creates management overhead
40. Questions?
41. Thanks! • Twitter - @lusis • Github – lusis