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DevOps and PerformanceWhy, How & Best Practices @grabnerandi http://apmblog.compuware.com презентация

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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

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Образование
DevOps and PerformanceWhy, How & Best Practices @grabnerandi http://apmblog.compuware.com

Слайд 1DevOps and Performance Why, How & Best Practices

@grabnerandi

http://apmblog.compuware.com

Слайд 2

Слайд 3What you may have heard about Austrians

Слайд 4And just very recently @ Euro Song Contest

Слайд 5How we would like the world to see us ☺

Слайд 6What we are also proud of ☺

Слайд 7What you should check out …

Слайд 8Tonight we are here for …

Слайд 9Others Call It
The stuff we did
when we were a Start

Up
and we All were
Devs, Testers and Ops

Слайд 10

Or – The Evolution of
Software Engineering

Слайд 11YOU ARE NOT ALONE: Popularity on Google

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 14

Слайд 15

Слайд 16

Слайд 17

Слайд 18Testing is Important – and gives Confidence

Слайд 19But are we ready for “The Real” world?

Слайд 20Measure Performance during the game
Ball Possession: 40 : 60
Fouls:

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

Слайд 22Deep Dive Analysis

Слайд 23Options “To Fix” the situation

Слайд 24Not always a happy ending ☹
Minute 90
Ball Possession: 80 : 20
Fouls:

4 : 25
Score: 3 : 0

Слайд 25FRUSTRATED FANS!!

Слайд 26How does that relate to Software?

Слайд 27
From Deploy to …

Deploy
Timeline

Слайд 28The “War Room” – back then

'Houston, we have a problem‘ NASA Mission

Control Center, Apollo 13, 1970

Слайд 29The “War Room” – NOW

Facebook – December 2012

Слайд 303 Situations on WHY this happens, HOW to avoid it

Слайд 31Image taken from https://www.scriptrock.com/blog/devops-whats-hype-about/

Слайд 32#Disconnected Teams

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 34“Solution”: Implement a Custom “On Demand” Remote Logger

Слайд 35Implementation and Rollout
Implemented Custom Logger
Worked well in Load Testing

Слайд 36What happened?
~ 1Mio Lock Exceptions in 30 mins

Слайд 37Root Cause: A special WebSphere Setting!

Слайд 38Metrics: # Log Messages,
# Exceptions
Share: Same Server Settings
DevOps: Agree on

Data for Troubleshooting

Слайд 3912 000 000 $

Слайд 40#No “Agile” Deployment

Слайд 41Ad on air
Availability dropped to 0%
Load Spike resulted in Unavailability

Слайд 42Alternative: “GoDaddy goes DevOps”
Response time improved 4x
1h before
SuperBowl KickOff
1h after

Game ended

Слайд 43Behind the Scenes

Слайд 44Metrics: Availability
Page Size, # Objects
# Hosts, # Connections
DevOps: “Feature” Switches

Слайд 45

Слайд 46#Push
without a Plan

Слайд 47Mobile Landing Page of Super Bowl Ad
434 Resources in total on

that page:
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 51

Слайд 52#1: Culture Change

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 54
#3: Share Results

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

Unit & Integration Tests

Functional Tests

Performance Tests

Production
Monitoring

Functional Tests

Слайд 56#5: Integrate

Слайд 57If we do all that
CANCELLED

Слайд 58Which gives you more time for the real important things in

life …

Слайд 59Want MORE of these and more details?
http://apmblog.compuware.com

Слайд 60Recommended Book
https://itrevolution.wufoo.com/forms/phoenix-project-ebook-offer/

Слайд 61FREE Products & More Info
dynaTrace Enterprise
Full End-to-End Visibility in your Java,

.NET, PHP Apps
Sign up for a 15 Days Free Trial on http://compuwareapm.com

dynaTrace AJAX Edition
Browser Diagnostics for IE + FF
Download @ http://ajax.dynatrace.com

Our Blog: http://apmblog.compuware.com

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