Call me never (full version)
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David Dossot discusses building resilient applications capable of handling high traffic, focusing on readiness, recovery, and strengthening systems against failures. He highlights practices like self-healing from transient failures, defensive coding, and extensive logging as essential for maintaining stability and performance. The talk emphasizes the importance of testing and monitoring in achieving high availability and robust application performance.
Call me never (full version)
- 1. Call Me Never Building apps that don't wake you up David Dossot
- 2. @ddossot
- 3. .com
- 4. 5 million visits a day... ... And counting.
- 5. Aiming for five nines... ... And 100x traffic
- 7. 99.9962 ( °□°╯ ）╯︵ ┻━┻
- 9. Load test Readiness Quick an dirty Apache Bench Richer scenarios Apache jMeter Gatling
- 12. Readiness Welcome to the Internet GET /admin.php GET /catalog/compare/?action=DELETE_FROM_COMPARE _RESULT&IBLOCK_ID=3 Host: -- DROP DATABASE users;
- 13. Degradation Decouple with queues and topics
- 14. Degradation Delay, don't fall down
- 17. Recovery Self heal from transient failures
- 18. Recovery Self heal from transient failures
- 23. Strengthening Code defensively and log abundantly try { // risky stuff } catch { // useful log }
- 24. Strengthening Failure is opportunity for more tests
- 25. Thank you! Q & A