Auto Scaling Rails

"Auto-Scale" Rails Applications Jinesh Varia, Evangelist, AWS Paul Bissett, CEO, WeoGeo Scott Becker, Senior Dev, WeoGeo http://www.weogeo.com/ "swim across the atlantic ocean" on Google Maps - NY to UK Send him an email to get on EC2 : jinesh@?? People as a Service - Mechanical Turk Infrastructure as a Service - SQS, S3, EC2 - EC2 : Elastic Compute Cloud Render Farms, Hosting Platforms, Test boxes AMI -> Amazon Machine Image (can share) SOAP/Query API - DescribeInstances, RunInstances, TerminateInstances, CreateKeyPair - GetConsoleOutput, RebootInstances, ImageAttributes stuff Overall - Elastic capacity - expand and contract infrastructure - scale up/down - no physical infrastructure - root level access - pay by uptime/hour - integrated with Amazon S3 - preconfigured (bundle) and shareable AMIs - Web Services What could be built? - Time bound applications - scale on demand applications Time bound applications - s3.amazonaws.com/thursdate/index.html Auto-scale ("Elastic") Applications - CPU, Heap, load/TCP, in-memory usage, DB call rate, Disk IO, SQS queue length/job wait http://weoceo.weogeo.com/ ec2ui - firefox XUL ui for your Amazon AMIs Latency between SQS and EC2 WeoCEO (runs on the frontend proxy server) - stable ip addressing - fail-safe monitoring - load balancing - auto-scaling

spike insurance AWS + WeoCEO + ECommerce = Massive savings, durable operations, good user experience Sensor Test: CPU, Disk IO, etc HAproxy