Slides from my presentation on Drupal Developer Days 2017 Seville, about best practices and advices regarding IT systems monitorizing.

3. THANKS!
Zequi V´azquez @RabbitLair Information is Power

4. Ezequiel ”Zequi”V´azquez
Backend Developer
Sysadmin & DevOps
Hacking & Security
Speaker since 2013
Zequi V´azquez @RabbitLair Information is Power

5. Zequi V´azquez @RabbitLair Information is Power

6. Zequi V´azquez @RabbitLair Information is Power

7. Zequi V´azquez @RabbitLair Information is Power

8. Zequi V´azquez @RabbitLair Information is Power

10. Database Contents (?)
Zequi V´azquez @RabbitLair Information is Power

11. Application/Service Logs (?)
Zequi V´azquez @RabbitLair Information is Power

12. User Activity (?)
Zequi V´azquez @RabbitLair Information is Power

13. I bet you can think of more information sources
Zequi V´azquez @RabbitLair Information is Power

14. Too much information and no control
Zequi V´azquez @RabbitLair Information is Power

15. We need to transform information into data
Zequi V´azquez @RabbitLair Information is Power

17. Identify our high level goals
Improve performance
Identify points of failure
Know users behavior
Be aware of SLAs observance
. . .
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18. Metrics definition
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19. Capacity planning
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20. Data storage
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22. From bottom to top
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23. Firewall & IDS/IPS metrics
Scanners (network, sqlmap, spiders)
Bruteforce attacks
Incoming and outcoming connections
Ip addresses, user agents and more
Identify and block (?)
Zequi V´azquez @RabbitLair Information is Power

24. Network metrics
Number of connections/rejections
Speed, bandwidth consumption, latency
Specially relevant on cloud environments
Zequi V´azquez @RabbitLair Information is Power

25. Infrastructure metrics
Monitorize all services on your system
Service response time & uptime
Consider scaling, prepare for peaks
Centralize logs: one log to rule them all
Zequi V´azquez @RabbitLair Information is Power

26. Cache metrics
Available memory & usage
Hit/Miss ratio
Evisceration ratio
Zequi V´azquez @RabbitLair Information is Power

27. System metrics
Identify bottlenecks!
Memory management & swapping
IO usage & free space
Keep an eye on CPU
syslog!
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28. PHP metrics
Number of threads
Memory per thread
Timeouts
Number of requests per second
Opcache usage
Zequi V´azquez @RabbitLair Information is Power

29. Application metrics
Plan error handling and messages smartly
Profiling: log request times
User behavior: It is not spying (?)
SQL queries
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31. Hundreds of options
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32. Nagios
Zabbix
Spiceworks
Zequi V´azquez @RabbitLair Information is Power

33. Munin
Monit
New Relic
Zequi V´azquez @RabbitLair Information is Power

34. Logstash
Splunk
Scribe
Kafka
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35. Did someone mentioned cloud?
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37. Identify your goals
Collect data wisely
Learn to read your metrics
Use data to empower your site
Zequi V´azquez @RabbitLair Information is Power

38. Zequi V´azquez @RabbitLair Information is Power

39. Thank you!
@RabbitLair
zequi[at]lullabot[dot]com
Zequi V´azquez @RabbitLair Information is Power