1. The Performance
and Scalability
Mindset
Brian Doll / @briandoll / New Relic

2. Performance is Value
Performance is Value

3. Maintain Value

4. Proactive vs. Reactive

5. Optimize for Real World Use

6. Martin Fowler’s
Technical Debt Quadrant
Reckless Prudent
“We don’t have time “We must ship now
for design” and deal with
consequences”
Deliberate
Inadvertent “Now we know how
“What’s Layering?” we should have
done it”

7. What is your perspective?

8. What is your perspective?
Speed

9. What is your perspective?
Speed
Cost

10. What is your perspective?
Speed
Cost
Operational Efficiency

11. Simplicity
Communication
Feedback
Respect
Courage

12. Who watches the watchmen?

13. SaaS Application Performance Monitoring
* APM as a Service
* In-app agent instrumentation
* Support for 5 Languages
(Ruby, Java, PHP, .NET, Python)
* 175,000+ app processes monitored globally
* 10,000+ customers

14. By the numbers...
* 20+ Billion application metrics collected every day
* 1.7+ Billion web page metrics collected every week
* Each "timeslice" metric is about 250 bytes
* 100k timeslice records inserted every second
* 7 Billion new rows of data every day
* Data collection handled by 9 sharded MySQL servers

15. New Relic Web UI
* Ruby on Rails
* nginx
* Linux
* 2 @ 12 core Intel Nehalem CPUs w/ 48Gb RAM

16. Data Collector and Web Beacon Services
* Servlets on Jetty
* App metrics collector:
180k requests per minute, responding in 3ms
* Web metrics beacon service:
180k requests per minute, responding in 0.15ms
* Sharded MySQL using the Percona build
* 9 @ 24 core Intel Nehalem w/ 48GB RAM, SAS attached RAID 5
* Bare metal (no virtualization)

17. 5 Lessons Learned

18. 1. Keep it simple

19. 2. Less is more

20. 3. Trendy != Reliable

21. 4. Plan for scale

22. s
s ode
Epi New
Ja Relic
va
y
5. Use the right technology Ngin
x Je5y
R ub
Rails
for a given task

23. Thanks
Brian Doll / @briandoll / New Relic