The description of Memcached as a Service.

1. Memcached
as
a
NTT Communications
UEMURA Yuichi
@u1
Service OZAWA Tsuyoshi
@oza_x86
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2. What is
Cloud Foundry?
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3. http://cloudfoundry.org/
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4. Open
Source
PaaS
Project
by VMWare
http://www.flickr.com/photos/loop_oh/4313629167/sizes/o/
in/photostream/
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5. What is the strength of
“OSS-based PaaS”?
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6. There are several build-
in OSS “as a Service”!
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7. What are built-in
“as a Services”?
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8. Pg as a Service!
http://www.flickr.com/photos/rc_fotos/4920621604/sizes/o/
in/photostream/
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9. MySQL as a
Service!
http://www.flickr.com/photos/rc_fotos/4920621604/sizes/o/
in/photostream/
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10. NoSQL DBs as a
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Service!

11. However,
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12. There is a missing
service...
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13. That is :
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14. Memcached
http://memcached.org/
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http://www.sixapart.com/labs/memcached/libraries.html
23

15. What is memcached?
• “Free & open source, high-performance,
distributed memory object caching
system”
quoted from http://memcached.org
• Very, very widely used component!
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16. Problem
• No Memcached support in Cloud Foundry
• The other PaaSes provide memcached-like
caching service as a Service
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17. IF CF supports
Memcached as a Service,
PaaS users can use
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18. Therefore,
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19. We(NTT Com)
implemented
Memcached as a Service!
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20. Available from
NTTCom Repository
https://github.com/nttcom/
vcap-services
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21. Current
implementation
• Based on Redis as a Service
• About 1400 LOC including tests
• Supports:
• Basic resource restriction
• Multiple instances
• can be used from CF apps
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22. Sample Code
https://gist.github.com/
1547175
Simple count up app
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23. Demo
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24. Current Situation
• Sent Pull request
• https://github.com/cloudfoundry/vcap-
services/pull/15
• Some users approved our patch
• However...
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25. No response from
CloudFoundry
teams... orz
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26. ToDo
• SASL supports
• Configurable parameters in more detail
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27. Summary
• NTTCom implemented MaaS
(Memcached as a Service)
• It can be used from CF apps
• There are several ToDo, but pending
because no response from CF DEV teams.
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28. Please comment “+1” or some
opinions at:
https://github.com/cloudfoundry/
vcap-services/pull/15
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