What do you do when your website suddenly experiences 1000 times more traffic than usual? How can you handle the challenges in scaling cloud-based websites and applications? This session showcase an open source reference architecture for massive web scaling in the cloud. Cedric Huesler, Product Marketing Director & Gerd Handke, Product Management Director, Day Software

1. Monday, October 18, 2010

2. A Tough Day in the Cloud
Gerd Handke & Cédric Hüsler, Day
Monday, October 18, 2010

3. Monday, October 18, 2010

4. «78 Percent of
consumers have switched
to a competitive site due
to poor web performance
at peak times.»
Source: compuware.com
Monday, October 18, 2010

5. We need a
new server!
Monday, October 18, 2010

6. State of the Cloud
jackofallclouds.com
Monday, October 18, 2010

7. Big Announcements
day.com at the Adobe
Monday, October 18, 2010

8. Automated Testing
Monday, October 18, 2010

9. Build
Software
Install
Software
Run
Tests
Collect
Results
Monday, October 18, 2010

10. Changing Setup
More Servers
Different HW Characteristics
Monday, October 18, 2010

11. Home-made
Monday, October 18, 2010

12. Get it served
Monday, October 18, 2010

13. Build
Software
Install
Software
Run
Tests
Collect
Results
Start
Machine(s)
Stop
Machine(s)
Monday, October 18, 2010

14. Monday, October 18, 2010

15. Monday, October 18, 2010

16. Dark clouds ahead...
Monday, October 18, 2010

17. Performance
✴ Poor Disk I/O
✴ Network Latency
Instance Store → Block Store → RAID-array with Block Stores
• Server is next to you vs. in the Cloud
• Connectivity between servers
• Moving large data sets in and out of the Cloud
• Why and how to fix it
Monday, October 18, 2010

18. Availability
✴ Losing Servers?
✴ Monitoring
• it does happen - how to “plan” for it?
• think of it as “throwaway” servers
• As in “traditional” IT - make sure you are in the know!
Monday, October 18, 2010

19. CQ5 in the Cloud
Monday, October 18, 2010

20. CQ 5.3 Cluster
Local
TarPM
Local
TarPM
Master
Journal Post
ReadW
rite
TarPM
Journal
DataStoreDirect write to DataStore
Monday, October 18, 2010

21. CQ 5.4 Shared Nothing
TarPM
Journal
DataStore
TarPM
Journal
DataStore
Master
Monday, October 18, 2010

22. Master
TarPM
Journal
TarPM
Journal
DataStore
CQ 5.4 Shared Datastore
Monday, October 18, 2010

23. Discussion
✴ What is your experience with the cloud?
✴ Who is doing what with it?
Monday, October 18, 2010