Disrupting Language Learning and Webservices

1. Breaking the Monolith

2. WHOAMI
Cristobal Viedma
Founder & CEO @Monkimun
Former life:
Head of Platform @Viki ($200M exit)
Founder & CEO @Bluewalks

3. 80% of the world can
only read <6% of
the Internet
W3techs 2015: http://w3techs.com/technologies/overview/content_language/all
Unesco 2012: http://unesdoc.unesco.org/images/0018/001870/187016e.pdf

4. WHATISVIKI?

5. GLOBALTV

6. NOTADUMBTV

7. TITLEHERECROSSCULTURAL
COMMUNICATION

8. CHALLENGES

9. WEB
viki.com
56.com
pptv.com
youtube.com
yahoo.com
msn.com...

10. MOBILE
Android
iOS
Blackberry
Windows Phone
Samsung Bada
Kindle Fire...

11. SMARTTVs
Google TV, Samsung SmartTV, Roku...

12. HIGHLYDISTRIBUTED
Data: viki.com Oct'12
Top 5 Cities: Singapore,Santiago, LaVictoria, Jakarta, New York

13. EXPLOSIVEGROWTH
~22M users winter’12 (2500% growth). ~35M summer’13

14. DEMANDINGUSERS
viewers start leaving
if video doesn't play
in 2 secs
...and every sec of
additional delay ~6%
more jumping ship!
Data: Video Stream Quality Impacts Viewer Behavior: Inferring Causality Using
Quasi-Experimental Designs. S. Shunmuga Krishnan, Ramesh K. Sitaraman, 2012

15. CHALLENGES
Large Ecosystem
Highly Distributed
Explosive Growth
Demanding Users

16. TITLEHERE

17. BREAKTHEMONOLITH

18. TITLEHERE

19. PLATFORMFOCUS
Scalability
Availability
Performance

20. UNDERSTANDING
Facts:
Read heavy (writes can wait)
Everything fits in memory
Goal:
25ms uncached (10-100x better)

21. [SCALA|AVAILA]BILITY
Service Oriented Architecture
Each vertical is a source of truth
Oceanus
(Videos)
Activities
(Behaviour)
Gaia
(Users)
Aphrodite
(Community)
…

22. ONEGATE
Hyperion
(platform
cluster)
Everything routed through api.viki.io
Oceanus
(Videos)
Activities
(Behaviour)
Gaia
(Users)
Aphrodite
(Community)
…

23. DISTRIBUTION
TH
H
H
H
H
H
H
H

24. PUB/SUBSYSTEM
Hyperion
(platform
cluster)
Oceanus
(Videos)
Activities
(Behaviour)
Gaia
(Users)
Aphrodite
(Community)
…
Message / Events Queue

25. …
Message / Events Queue
Oceanus
(Videos)
Activities
(Behaviour)
Gaia
(Users)
Aphrodite
(Community)
Analytics
Hyperion
(cluster)
viki.com
Logs
Segmenting
Tool
Subtitling
tool
Baboon
(CMS)
Hyperion
(cluster)
Hyperion
(cluster)
Devices
(android,
ios, etc)
Partners
(Samsung,
Youtube,
etc)
3rd Party
Dev. (API)
PlatformContentClients
Knowledge
EVENTDRIVENARCHITECTURE

26. CHALLENGES/FOCUS
Scalability
Availability
Performance
Large Ecosystem
Highly Distributed
Explosive Growth
Demanding Users

27. PERFORMANCE
Generation Time
Network time
Render time
Hyperion Client

28. PERFORMANCE
Hyperion
(cluster)
Nginx
APIProxy (GoLang)
Hyperion (Node.js)
Redis Redis Redis

29. GENERATION
Original (without latency) ~250ms
Everything in memory ~15-100ms
Sorting / VFind ~15ms
Paging ~9ms
Serializing ~5ms
UNCACHED

30. HORRORFUNFACTS
Alias - Redis 32bits
VFIND - Redis fork
JSON Concat in C

31. founders@monkimun.com https://angel.co/monkimun
Nothing new…
Having fun & learning!
https://github.com/karlseguin/scaling-viki

32. 80% of the world can
only read <6% of
the Internet
W3techs 2015: http://w3techs.com/technologies/overview/content_language/all
Unesco 2012: http://unesdoc.unesco.org/images/0018/001870/187016e.pdf

33. Research shows 2-6 years
is the best age to learn
a language
Science 2005: http://www.sciencemag.org/content/310/5749/815

34. language learning is
extremely bOOOring
and so is “gamifying” it…

36. A common language will
accelerate growth and make the
world more united and equal
VISION

37. ADVISORS
Kent Liu
Ex-GM Asia for EA Mobile
Ex-Director JAMDAT
mobile (IPO + $680M exit)
500 Startups
Leading global venture
capital seed fund
Razmig Hovaghimian
Co-founder / CEO Viki
Sr Executive Officer
Rakuten
Board Observer Rakuten
Gwynne Shotwell
SpaceX President & COO

38. founders@monkimun.com https://angel.co/monkimun
cristobal@monkimun.com
+1 415 528 99 71
+34 617 606 187
Psst, We are hiring!