Post on 20-Aug-2015
Opencast Unconference 2014!University of Manchester Overview
Stuart Phillipson!IT Services!stuart.phillipson@manchester.ac.uk!@S_Phillipson
Summary
• Switched to Matterhorn in January 2013!• Production system September 2013!• Will talk about 1st full production Semester!• Will talk about infrastructure for lecture capture
What I mean by a podcast
60 Theatres
125 Theatres
Opt-out
10 Theatres
Schedule
Schedule
Opt-out
Usage
15,000
19,000
11,000
7,000
3,000
Dow
nloa
ds p
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ay
Student Feedback
Request for PodcastsPositive FeedbackMisc
Student Feedback
Podcasting Enhanced LearningPodcasting Valued Resource
Current System Configuration
IngestAdmin Worker Present File Ops
IngestAdmin Worker Present File Ops
Matterhorn Operations
IngestAdmin Worker Present File Ops
• Capture
• Schedule!• Participation!• Ingest Balance!• Workflow
management!• Admin UI!• Services
• Inbound file transfer
• Encoding • User UI!• RSS!• Search!• PM UI
• HTTPS file delivery
• Monitoring!• Alerting!• Automation!• Build!• Database!• Log Analysis
Matterhorn Operations
• 72 CPU cores!• 64 GB memory!• 25 ‘light’ VMs!• 40 VMs including staging environment!• 30 TB NFS storage and working file repository
Probability Based Network Capacity
File NFS Storage
10 Gig link
Probability Based Network Capacity
File NFS Storage
Probability Based Network Capacity
File NFS Storage1 Gig link
Probability Based Network Capacity
File NFS Storage1 Gig link
Probability Based Network Capacity
File NFS Storage
1 : 1 probability 1 Gig
1 : 784 probability 1 Gig
1 : 21,952 probability 1 Gig
1 : 28 probability 1 Gig
Database Patch (1.4.3)
Capture Agents
Hardware & install cost per room ~ £1,000
Capture Agents
Next Steps
• Preparing for minimum of 175 rooms be September 2014!• >30,000 hours of recording for 2014/15!• Planning for between 300 - 400 rooms for September 2015!• Will provide many scaling enhancements!• Cameras!!
Next Steps
Next Steps
• Preparing for minimum of 175 rooms be September 2014!• >30,000 hours of recording for 2014/15!• Planning for between 300 - 400 rooms for September 2015!• Will provide many scaling enhancements!• Cameras!!
Questions