how to improve your moodle site performance.pdf
TRANSCRIPT
How to improve Moodle performance
David Monllaó@DavidMonllao
MoodleMoot Australia 2015 #mootau15
the world’s open source learning platform
the world’s open source learning platform
Why my Moodle may be slow?
Because it needs time to be as
awesome as it is.https://commons.wikimedia.org/wiki/File:Florida_Box_Turtle_Digon3a.jpg
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What can you change if you are a...
1. Teacher Moodle course
2. Moodle administrator Moodle site
3. System administrator Servers
4. Developer Code
5. Moodle HQ Releases
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If you are a teacher try to...● Enable just the filters you think are really necessary
● Resize your images before uploading them
● Reduce number of sections or paginate them
● Remove recent activity block
● Disable features you and your students do not use
● Ask your Moodle administrator :)http://www.wallpapersnewhd.com/mario-wallpaper-hd-free-download/
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If you are a Moodle administrator...● Performance overview report
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● Disable log legacy data
● Reduce number of courses on frontpage (or use Dashboard)
● Moodle features that might affect performance○ Enabled filters○ Event monitor○ Grade history
● Use slash arguments (web cache)
● Ask your sys admin :)
If you are a Moodle administrator...
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If you are a system administrator...
● Memcached
○ For caches
○ For session data
● Opcache for opcode caching (PHP 5.5 onwards)○ https://docs.moodle.org/29/en/OPcache
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If you are a system administrator...Compare performance:
● Cache stores config
● Sessions to database, to file, to memcached?
● Hardware, network
https://github.com/moodlehq/moodle-performance-comparison
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If you are a system administrator...● Hardware, clusters, NAS, proxy caching, Apache & database tuning…
○ You know better than me, find other sysadmins and talk with them
○ https://docs.moodle.org/29/en/Performance_recommendations
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If you are a developer...● Database queries
○ Reduce db writes and db reads as much as possible■ Avoid queries inside loops (design ready to fetch “IN ()”)
○ Always join using indexed fields○ For big data set processing use get_recordset* + recordset_walk○ Add cache definitions when necessary
● Code profiling○ XHProf
● For global changes○ moodle-performance-comparison
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If you are Moodle HQ...● Ensure no performance regressions are introduced -> http://goo.gl/yp14bO
● Look for performance issues and more caches -> e.g. MDL-48448
● Expand performance test coverage (work in progress)
Questions or more information
Trackerhttps://tracker.moodle.org
Hardware and performance forum https://moodle.org/mod/forum/view.php?id=596
David Monllaó[email protected]
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Thank you
Community: moodle.orgCommercial: moodle.com
@moodle
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