ireland moot 2013 admin workshop afternoon session
DESCRIPTION
his workshop is aimed at Moodle admins who already have done some Moodle admin before and want to understand the changes that Moodle 2 brings to the Admin, and how also how to help optimise their Moodle site. Moodle 2 Admin workshop 2 (afternoon session) This session will focus on performance related aspects of Moodle 2 including: The hosting application layer (Web server, Database) The different server options for hosting Moodle Performance testing Typical areas which affect performance Performance tweakingTRANSCRIPT
Jonathan MooreCTO and Vice President RL-UK
Koen RoggernansIT Manager Sint-Ritacollege
RL Background and Context
● Over 3000 hosted Moodle sites● Over 12 million registered Moodle
accounts● Over 2,000,000 Moodle courses● Hosting Moodle sites since 2004● Virtualized Infrastructure
Sint-Ritacollege Background and Context
● 1,500 pupils● Age 12 – 18● Dedicated server● Early adopter
Getting to Know You
● How many host your own Moodle site?
● What OS are you running?● What web server are you running?● What database are you running?
Format
● Platform / Architecture Overview● Best practices / info sharing● Hands-on
Hosting Application Layer
● Web Server● Database Server● Moodledata (dataroot)● Sessions
Server Options
● Dedicated / Virtual / Shared● OS selection● Database selection
Platform Selection
● Linux most used for scalability● Windows significantly lower performance
for PHP apps● Mac OSX forking performance issue
– Apache and MySQL concurrency issue
Know What's Happening on Your Server
● Monitoring: Cacti
– SNMP monitoring
– Round robin log storage
● Alerts and Notifications: Nagios
– SNMP alert system Pingdom
– Have your servers page or text you!
Performance Testing
● jMeter● Apache ab utility
Hands-on
● Download jMeter● Show ab
Performance Tips
● PHP Accelerator – APC● MySQL –
– Buffers and Query Caching– Use InnoDB– Use Percona build
● Sessions● Moodle source code location
More Tips
● Batch cron.php runs for multiple Moodles
● Check state of indexes and bigints● Perform database maintenance
Performance Tweaking
● Memory Budget● Concurrency● 5 Things Making Your Site Slow● Testing
Hands-on
Working with jMeter for performance testing
Questions?