Más contenido relacionado La actualidad más candente (20) Similar a Metrics for Web Applications - Netcamp 2012 (20) Metrics for Web Applications - Netcamp 20121. Metrics for Web
Applications
Andrei Savu - asavu@axemblr.com
Netcamp 2012
2. Me
• Founder of Axemblr.com
• Bucharest Java User Group (bjug.ro)
• Worked for Facebook & Adobe
• Connect with me on LinkedIn
5. Network Bandwidth
CPU
Disk Usage
Infrastructure Metrics
RAID System Load
IOPS
Sessions Memory Usage
6. Infrastructure Metrics
• If it moves it should have a Graph
• Valuable for historical reasons
• Think “flight deck”
• You can know in advance when
bad things happen (e.g. Black Friday)
7. CAC
COGS
LTV Conversion Rate
Business Metrics
Churn
Profitability
Cohort Analysis
MRR
Cash
8. SaaS Metrics
Actionable Metrics for SaaS companies
http://www.forentrepreneurs.com/saas-metrics/
16. LTV = ARPU * LT - GOGS
LT (life time) = 1 / Churn
20. Key Points
• Unified System for Metrics (Facebook like)
(e.g. cpu load & network vs. gogs)
• Measure, Analyse, Improve, Repeat
• Run Experiments (scientific methodology)
22. Resources #1
• Graphite
http://graphite.wikidot.com/
• Nagios
http://www.nagios.org/
• Ganglia
http://ganglia.sourceforge.net/
23. Resource #2
• Etsy: Measure Anything, Measure Everything
http://codeascraft.etsy.com/2011/02/15/
measure-anything-measure-everything/
• Etsy: StatsD
https://github.com/etsy/statsd
• Coda Hale Metrics
http://metrics.codahale.com/