lessons learnt building india's largest e commerce supply chain in ruby
DESCRIPTION
GardenCityRubyConference presentation. Abstract: In 2012 Flipkart's supply chain system was re-built as a service oriented architecture with Ruby at its core. This talk will cover our experiences designing, building and scaling a mission-critical Ruby-based system where data integrity and performance is vital. - Dealing with cross-service transaction integrity - JRuby - the good, bad & ugly - Coordinating gem upgrades across multiple services - Performance tuning to get predictable response times - taming queries, external calls, GC, locks - Monitoring & profiling production systems - Ruby app servers: Trinidad vs Passenger vs Unicorn - Challenges in ramping up teams on RubyTRANSCRIPT
Lessons learned
JRuby
Cross-service transactions
Power of HTTP as integration glue
Performance
Ruby vs jRuby vs Java performance
Monitoring
Tuning
Upgrading platform gems across many services
Team-dynamics
Design
Questions?
Flipkart Tech Blog: http://tech-blog.flipkart.net/Flipkart OSS: https://github.com/flipkart
ReferencesGraphite: http://graphite.wikidot.com/ Statsd: https://github.com/etsy/statsd/Perftools: https://github.com/tmm1/perftools.rbUnicorn - Out of Band GC: http://unicorn.bogomips.org/Unicorn/OobGC.htmlUnicorn - Worker Killer: https://github.com/kzk/unicorn-worker-killer