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DevOps and PerformanceWhy, How & Best Practices @grabnerandi http://apmblog.compuware.com презентация
Содержание
- 1. DevOps and PerformanceWhy, How & Best Practices @grabnerandi http://apmblog.compuware.com
- 3. What you may have heard about Austrians
- 4. And just very recently @ Euro Song Contest
- 5. How we would like the world to see us ☺
- 6. What we are also proud of ☺
- 7. What you should check out …
- 8. Tonight we are here for …
- 9. Others Call It The stuff we did
- 10. Or – The Evolution of Software Engineering
- 11. YOU ARE NOT ALONE: Popularity on Google
- 12. Who is doing it? How many successful
- 13. More on Amazons Story 75% fewer
- 18. Testing is Important – and gives Confidence
- 19. But are we ready for “The Real” world?
- 20. Measure Performance during the game Ball Possession:
- 21. Measure Performance during the game Minute 6
- 22. Deep Dive Analysis
- 23. Options “To Fix” the situation
- 24. Not always a happy ending ☹ Minute
- 25. FRUSTRATED FANS!!
- 26. How does that relate to Software?
- 27. From Deploy to … Deploy Timeline
- 28. The “War Room” – back then
- 29. The “War Room” – NOW Facebook – December 2012
- 30. 3 Situations on WHY this happens, HOW to avoid it
- 31. Image taken from https://www.scriptrock.com/blog/devops-whats-hype-about/
- 32. #Disconnected Teams
- 33. “Teamwork” between Dev and Ops SEV1 Problem
- 34. “Solution”: Implement a Custom “On Demand” Remote Logger
- 35. Implementation and Rollout Implemented Custom Logger Worked well in Load Testing
- 36. What happened? ~ 1Mio Lock Exceptions in 30 mins
- 37. Root Cause: A special WebSphere Setting!
- 38. Metrics: # Log Messages, # Exceptions
- 39. 12 000 000 $
- 40. #No “Agile” Deployment
- 41. Ad on air Availability dropped to 0% Load Spike resulted in Unavailability
- 42. Alternative: “GoDaddy goes DevOps” Response time improved
- 43. Behind the Scenes
- 44. Metrics: Availability Page Size, # Objects # Hosts, # Connections DevOps: “Feature” Switches
- 46. #Push without a Plan
- 47. Mobile Landing Page of Super Bowl Ad
- 48. m.store.com redirects to www.store.com ALL CSS and
- 49. Critical Pages not Optimized! Browse, Search and
- 50. Metrics: Load Time, # Resources (Images,
- 52. #1: Culture Change
- 53. #2: Define Measures # of Requests /
- 54. #3: Share Results
- 55. #4: Automate Commit Stage Compile Execute Unit
- 56. #5: Integrate
- 57. If we do all that CANCELLED
- 58. Which gives you more time for the real important things in life …
- 59. Want MORE of these and more details? http://apmblog.compuware.com
- 60. Recommended Book https://itrevolution.wufoo.com/forms/phoenix-project-ebook-offer/
- 61. FREE Products & More Info dynaTrace Enterprise
What you may have heard about Austrians
Слайд 12Who is doing it? How many successful deployments can they do?
300
Deployments / Year
50-60 Deployments / Day
10+ Deployments / Day
Every 11.6 seconds
Слайд 13More on Amazons Story
75% fewer outages since 2006
90% fewer outage minutes
~0.001%
of deployments cause a problem
Instantaneous automatic rollback
Deploying every 11.6s
Слайд 20Measure Performance during the game
Ball Possession: 40 : 60
Fouls:
0 : 0
Score: 0 : 0
Score: 0 : 0
Minute 1 - 5
Слайд 21Measure Performance during the game
Minute 6 - 35
Ball Possession: 80 :
20
Fouls: 2 : 12
Score: 0 : 0
Fouls: 2 : 12
Score: 0 : 0
Слайд 28The “War Room” – back then
'Houston, we have a problem‘
NASA Mission
Control Center, Apollo 13, 1970
Слайд 33“Teamwork” between Dev and Ops
SEV1 Problem in Production
Need access to log
files
Where are they? Can’t get them
Need to increase log level
Can’t do! Can’t change config files in prod!
Слайд 38Metrics: # Log Messages,
# Exceptions
Share: Same Server Settings
DevOps: Agree on
Data for Troubleshooting
Слайд 42Alternative: “GoDaddy goes DevOps”
Response time improved 4x
1h before
SuperBowl KickOff
1h after
Game ended
Слайд 47Mobile Landing Page of Super Bowl Ad
434 Resources in total on
that page:
230 JPEGs, 75 PNGs, 50 GIFs, …
230 JPEGs, 75 PNGs, 50 GIFs, …
Total size of ~ 20MB
Слайд 48m.store.com redirects to www.store.com
ALL CSS and JS files are redirected to
the www domain
This is a lot of time “wasted” especially on high latency mobile connections
Слайд 49Critical Pages not Optimized!
Browse, Search and Product Info performs well
… because
they don’t follow best practices: 87 Requests, 28 Redirects, …
Critical Pages such as Shopping Cart are very slow …
Слайд 50Metrics: Load Time,
# Resources (Images, …),
# HTTP 3xx, 4xx,
5xx
Dev: Build for Mobile
Test: Test on Mobile
Ops: Monitor Mobile
Слайд 53#2: Define Measures
# of Requests / User
# of Log Messages
# of
Exceptions
# Objects Allocated
# Objects In Cache
Cache Hit Ratio
# of Images
# of SQLs
# SQLs per Request
Availability
# HTTP 3xx, 4xx
Page Size
Слайд 55#4: Automate
Commit Stage
Compile
Execute Unit Test
Code Analysis
Build installers
Automated
Acceptance
Testing
Automated
Capacity
Testing
Manual
testing
Key showcases
Exploratory testing
Key showcases
Exploratory testing
Unit & Integration Tests
Functional Tests
Performance Tests
Production
Monitoring
Functional Tests
Слайд 61FREE Products & More Info
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Our Blog: http://apmblog.compuware.com
Sign up for a 15 Days Free Trial on http://compuwareapm.com
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