Wichert Akkerman Plone Deployment Practices The Plone.Org Setup

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The plone.org and plone.net websites are the first confrontation with Plone for most users. It is important that they perform well and are stable. With almost 4 million page views per day and thousands of LDAP users plone.org and plone.net are examples of a complex deployment setup requiring LDAP, caching and load balancing - all on a single machine. I will describe how the Plone websites are build and how those practices can be applied to other sites, making it possible to scale upwards to bigger sites or make smaller sites more efficient.

Negócios Tecnologia

Plone.org
an overview of the plone infrastructure

Who ?

• Former lifetime: Debian
• Plone developer
• Plone 3 release manager
• Plone infrastructure team lead
• Simplon

What ?

• Issue trackers
• Mailing lists
• Source control systems
• Web sites

How?

• 90% existing software
• 2% custom changes
• 2% custom software
• 6% cursing and frustration
• equals 100% love (we hope)

For who?

• 681 commiters
• over 1 million downloads
• over 200 Plone companies
• the whole world uses Plone!

24 hours per day
4,000

3,000

2,000

1,000

0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Plone Collective

7 days per week
9,000

6,750

4,500

2,250

0
y

ay

ay

ay

ay

ay

ay
da

d

sd

sd

id

rd

nd
on

es

Fr

tu
ne

ur

Su
Tu
M

Sa
Th
ed
W

Plone Collective

Zope hosting
Internet

Web server

proxy cache

Zope
Load Balancer
instance

Zope Zope ZEO
instance instance server

ZEO
LDAP
server

Blufﬁng

• ~ 150k page views per day
• Plone is not nearly fast enough
• Fake it!

Varnish vs Squid

• Squid help enormously
• Varnish helped even more
• ~80% cache hit rate
• CacheSetup makes it possible

Source Control

• Subversion
• Synchronised to svn-mirror.plone.org
• Access control via LDAP
• Reporting to CIA and mailing lists

Who are you ?

• Authentication required for services
• Duplication is evil
• Single account database

LDAP everywhere

plone.org dev.plone.org

LDAP svn commit
LDAP LDAP
repllication mails
server server

plone.net svn.plone.org

•
•
per month
28971 accounts

~ 1000 new accounts

0
7,500
15,000
22,500
30,000

December 2005
February 2006
April 2006
June 2006
August 2006
LDAP Statistics

October 2006
December 2006
LDAP accounts

February 2007
April 2007
June 2007
August 2007

LDAP setup

• OpenLDAP everywhere
• PloneLDAP is your friend
• Apache is your ﬁend

No Worries Mate

• Spam on dev.plone.org
• Spam on lists.plone.org
• Spam on paste.plone.org
• Postgres and Varnish stability
• Robots are coming to get us

Dreams ...

• Plone 3.0 for plone.org and plone.net
• Redundancy
• Single sign-on

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Wichert Akkerman Plone Deployment Practices The Plone.Org Setup

1. Plone.org an overview of the plone infrastructure

2. Who ? • Former lifetime: Debian • Plone developer • Plone 3 release manager • Plone infrastructure team lead • Simplon

3. What ? • Issue trackers • Mailing lists • Source control systems • Web sites

4. How? • 90% existing software • 2% custom changes • 2% custom software • 6% cursing and frustration • equals 100% love (we hope)

5. For who? • 681 commiters • over 1 million downloads • over 200 Plone companies • the whole world uses Plone!

6. 24 hours per day 4,000 3,000 2,000 1,000 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Plone Collective

7. 7 days per week 9,000 6,750 4,500 2,250 0 y ay ay ay ay ay ay da d sd sd id rd nd on es Fr tu ne ur Su Tu M Sa Th ed W Plone Collective

8. Zope hosting Internet Web server proxy cache Zope Load Balancer instance Zope Zope ZEO instance instance server ZEO LDAP server

9. Debian GNU/Linux

10. PloneHelpCenter

11. PloneSoftwareCenter

12. Poi

13. PloneOrg

14. Blufﬁng • ~ 150k page views per day • Plone is not nearly fast enough • Fake it!

15. Varnish vs Squid • Squid help enormously • Varnish helped even more • ~80% cache hit rate • CacheSetup makes it possible

16. Source Control • Subversion • Synchronised to svn-mirror.plone.org • Access control via LDAP • Reporting to CIA and mailing lists

17. Who are you ? • Authentication required for services • Duplication is evil • Single account database

18. LDAP everywhere plone.org dev.plone.org LDAP svn commit LDAP LDAP repllication mails server server plone.net svn.plone.org

19. • • per month 28971 accounts ~ 1000 new accounts 0 7,500 15,000 22,500 30,000 December 2005 February 2006 April 2006 June 2006 August 2006 LDAP Statistics October 2006 December 2006 LDAP accounts February 2007 April 2007 June 2007 August 2007

20. LDAP setup • OpenLDAP everywhere • PloneLDAP is your friend • Apache is your ﬁend

21. No Worries Mate • Spam on dev.plone.org • Spam on lists.plone.org • Spam on paste.plone.org • Postgres and Varnish stability • Robots are coming to get us

22. Pain pill

23. Dreams ... • Plone 3.0 for plone.org and plone.net • Redundancy • Single sign-on

Wichert Akkerman Plone Deployment Practices The Plone.Org Setup

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