1. DATA DURABILITY
WITH
SCHEMALESS
DATABASE
QUENTIN ADAM - @WAXZCE

2. WHO I AM ?
CEO of Clever
Cloud
@waxzce on
twitter

3. WE ALL WANT TO USE CUTTING
EDGE TECHNOLOGIES

4. OR MAYBE WE NEED SOME NEW DB FOR
OUR APPS

5. NOSQL
CHANGE THE DATA WORLD FOREVER

6. DOCUMENTS + SCHEMALESS
IS GREAT

7. SURVEY

8. DID YOU THINK ABOUT DATA
DURABILITY?

9. NULLPOINTEREXCEPTION, UNDEFINED,
NULL IS NOT DEFINED….

10. HUM… SEEMS YOUR DOCUMENTS
ARE NOT SIMILAR

11. PUT LOT OF IF/ELSE IN YOUR
CODE ?

12. DO WE HAVE TO UPDATE ALL THE
DOCS IF WE CHANGE THE
PATTERN ?

13. SEARCH FOR A BETTER SOLUTION

14. FIRST :
VERSION ALL THE DOCUMENTS

15. LIKE THIS :
{
id : […],
pattern : [… (usually a string)],
version : [… integer],
[…]
}

16. SECOND :
PROXY ALL DATABASE CALL IN
YOUR CODE

17. BUILD A PATTERN UPDATER

18. DATA FLOW
database
Entering
data
proxy
Update
data from
version 2
to
version 3
Update
from
version 3
to
version 4
Out of
data
proxy
Code use
version
4, no
question


19. WHEN YOU DO
SOMETHING
UGLY, DO IT IN
A SPECIFIC
PART OF YOUR
CODE

20. EASY TO FIND UGLY
CODE

21. ALL DATA MODIFICATIONS
ARE DOCUMENTED

22. DO NOT IMPACT ALL YOUR
CODE

23. DATA DURABILITY
IS SOMETHING
MADE BY DESIGN
AT THE BEGINNING
OF THE PROJECT

24. WE STILL LEARNING FOR
NOSQL GOOD PRACTICES

25. USE IT!
IT’S REALLY GREAT 

26. I’m @waxzce on twitter
I’m the CEO of
A PaaS provider, give it a try
;-)
THX FOR LISTENING
& QUESTIONS TIME