Cross Training for Your
Plone Deployment
Plone Conference 2008
Andrew Parker
nowhere to go but
open source
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NOT my brothers
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Overview
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A Talk on Deployment?
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Now What?
• Anonymous Users:
Requests: 95.4 requests/sec
Page Views: 6.9 views/sec
• Authenticated Users:
Requests: 28.6 requests/sec
Page Views: 2.4 views/sec
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Parts of a Deployment
• Hardware / OS
• Caching
• HTTP Server
• ZEO Cluster
• Maintenance
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What Hardware?
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Deployment Platforms
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Caching
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Types of Cache
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Squid
• Configure accelerated
domains
• Setup ACLs to allow
purges from Zope
• Set memory and disk
cache sizes
• Check refresh pattern
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CacheFu
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CacheFu Rules
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Browser Headers
• Conditional GET Requests
• Last-Modified
• If-Modified-Since
• Expires
• Cache-Control
• max-age
• E-Tags
• If-None-Match
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Firebug
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RAM Caching
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URL
rewriting
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Nginx
Your site.
Delivered.
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Apache
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Squid Results
• Anonymous Users:
Requests: 437.9 requests/sec
Page Views: 31.8 views/sec
• Authenticated Users:
Requests: 52.6 requests/sec
Page Views: 4.1 views/sec
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Load
Balancing
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Pound
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Example
Poundctl:
0. http Listener 127.0.0.1:7080 a
0. Service active (15)
0. Backend PF_INET 127.0.0.1:8080 active (5 0.000 sec) alive
1. Backend PF_INET 127.0.0.1:8081 active (5 0.000 sec) alive
2. Backend PF_INET 127.0.0.1:8081 active (5 0.000 sec) alive
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Putting it
Together
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Internet
HTTP Request
Squid
HTTP
Nginx
HTTP PURGE HTTP
Pound
HTTP HTTP HTTP
Zope Zope Zope
Plone Plone Plone
zrpc zrpc zrpc
Zope Storage Server (ZSS)
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Squid + Pound Results
• Anonymous Users:
Requests: 489.2 requests/sec
Page Views: 35.8 views/sec
• Authenticated Users:
Requests: 98.9 requests/sec
Page Views: 7.3 views/sec
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Other Considerations
• Robots.txt
• Repozo Scripts
• ZODB Packing
• Log Rotation
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Photo Credits
• http://www.flickr.com/photos/celestemarie/
2193327230
• http://flickr.com/photos/hisgett/1241275229/
• http://flickr.com/photos/matt-davis/2276357580/
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Plone Deployment Workshop
s i xf eet u p.c om/d w0 8
Register by October 17
and save $100!
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