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Scalable Cloud Solutions with Node.js
- 1. Scalable Cloud Solutions with Node.js Aaron Michael König & Mathias Peter Team Centric Software Foto: JD Hancock CC BY 2.0
- 2. Mathias Peter mp@tcs.de 8+ years experience JS, Redis, AWS ! mpneuried Aaron Michael König amk@tcs.de 10+ years experience JS, iOS, C# ! exinferis
- 3. Team Centric Software • Webapps & native mobile apps • Amazon Web Services since 2007 • Redis & Node.js since 2010
- 4. Node.js since the early days
- 5. Node.js since the early days • Node.js in production since 0.4
- 6. Node.js since the early days • Node.js in production since 0.4 • Developed many building blocks in Node.js
- 7. Node.js since the early days • Node.js in production since 0.4 • Developed many building blocks in Node.js • Many microservices on Node.js
- 8. Node.js since the early days • Node.js in production since 0.4 • Developed many building blocks in Node.js • Many microservices on Node.js • Released quite a few open source modules over the years
- 10. Node.js in customer projects
- 11. Cloud based setup.Electronic fitness devices.
- 12. Software in a health club? Advanced electronic fitness devices? Foto: JD Hancock CC BY 2.0
- 13. Software in a health club? Advanced electronic fitness devices? WAT? Foto: JD Hancock CC BY 2.0
- 14. Training the “old way”
- 15. Training plan Training the “old way”
- 16. Training plan Training the “old way”
- 17. Training plan Training plan Training the “old way”
- 18. Training the “milon way”
- 19. Training the “milon way”
- 20. ☁️ Training the “milon way” Training plan
- 21. ☁️ Training the “milon way” Training plan
- 22. milon care device logins
- 23. Scalability Foto: JD Hancock CC BY 2.0
- 24. Bilder? Asynchronous TasksSynchronous Tasks Foto: JD Hancock CC BY 2.0
- 25. Scaling for synchronous tasks • more servers • better hardware • storage • Autoscaling
- 26. Scaling for synchronous tasks Load Balancer Redis MySQL MySQL S3 DynamoDB EC2 Instances
- 27. Scaling for synchronous tasks Load Balancer Redis MySQL MySQL S3 DynamoDB EC2 Instances
- 28. Autoscale Scaling for synchronous tasks Load Balancer Redis MySQL MySQL S3 DynamoDB EC2 Instances
- 29. Processing Autoscale Scaling for synchronous tasks Load Balancer Redis MySQL MySQL S3 DynamoDB EC2 Instances
- 30. Scaling for asynchronous tasks Queueing
- 31. • Logs • Training archiving • Training results • Statistics • House keeping • Achievements Scaling for asynchronous tasks Queueing
- 33. Advantages of Queueing • Asynchronous Execution • Distribution of work • Reliability • Guaranteed success or failure
- 34. Queueing … or how a queue should work Foto: JD Hancock CC BY 2.0
- 37. message D Queue message C message B message A create queueadd messages …
- 38. message D Queue message C message B message A create queueadd messages … Worker create a worker
- 39. Worker message D Queue message C message B message Acopy receive and … message A
- 40. Worker message D Queue message C message B message Acopy receive and … message A process invisible for 30s
- 41. Worker message D Queue message C message B delete on success message A message Acopy
- 42. Worker message D Queue message C message B delete on success
- 43. Worker Queue message D message C message Bcopy receive and … message B
- 44. Worker Queue message D message C message Bcopy receive and … message B process invisible for 30s
- 45. Worker Queue message D message C message B message Bcopy
- 46. Worker Queue message D message C 💩 ERROR ! message B Worker message Bcopy
- 47. Worker Queue message D message C message B … remain within stack
- 48. Wait … SCALING ! Foto: JD Hancock CC BY 2.0
- 49. Queue message D multiple workers 👍 Worker message Ccopymessage C Worker message Bcopymessage B Work er Work er Worker Worker
- 50. Queue message D multiple workers 👍 Worker message Ccopy message C Worker message Bcopymessage B Work er Work er Worker Worker
- 51. Redis Simple Message Queue RSMQ made by npm install rsmq
- 52. Design concept
- 53. Simple & Fast Only Redis - No management server Guaranteed delivery to a single recipient Visibility timeout for received messages Design concept
- 54. How to … Foto: JD Hancock CC BY 2.0
- 56. rsmq.createQueue({qname:"foo", vt:30}, function(err, created){ // ... }); create
- 57. rsmq.createQueue({qname:"foo", vt:30}, function(err, created){ // ... }); rsmq.sendMessage({qname:"foo", message:"bar"}, function(err){ // ... }); create send
- 58. rsmq.createQueue({qname:"foo", vt:30}, function(err, created){ // ... }); rsmq.sendMessage({qname:"foo", message:"bar"}, function(err){ // ... }); rsmq.receiveMessage({qname:"foo"}, function(err, message){ // ... { id: "42abc", message: "bar", rc: 1, ... } }); create send receive
- 59. rsmq.createQueue({qname:"foo", vt:30}, function(err, created){ // ... }); rsmq.sendMessage({qname:"foo", message:"bar"}, function(err){ // ... }); rsmq.receiveMessage({qname:"foo"}, function(err, message){ // ... { id: "42abc", message: "bar", rc: 1, ... } }); create send receive rsmq.deleteMessage({qname:"foo", id: msgid}, function(err, success){ // ... }); delete
- 60. Foto: JD Hancock CC BY 2.0
- 61. Foto: JD Hancock CC BY 2.0 npm install rsmq-worker
- 62. How to … Foto: JD Hancock CC by 2.0
- 64. var RSMQWorker = require( "rsmq-worker" ); var worker = new RSMQWorker( "foo" ); // poll the "foo" queueinit
- 65. var RSMQWorker = require( "rsmq-worker" ); var worker = new RSMQWorker( "foo" ); // poll the "foo" queue worker.on("message", function(message, next, msgid){ // ... processing next(); // on error use: next( err ); }); init listen
- 66. var RSMQWorker = require( "rsmq-worker" ); var worker = new RSMQWorker( "foo" ); // poll the "foo" queue worker.on("message", function(message, next, msgid){ // ... processing next(); // on error use: next( err ); }); worker.start(); init listen start
- 67. var RSMQWorker = require( "rsmq-worker" ); var worker = new RSMQWorker( "foo" ); // poll the "foo" queue worker.on("message", function(message, next, msgid){ // ... processing next(); // on error use: next( err ); }); worker.start(); init listen start worker.send(„bar"); // send to "foo"send
- 68. DEMO Foto: JD Hancock CC by 2.0
- 69. Demo results 1x worker.js 4x worker.js performance > 250%
- 70. Lightweight just redis No overhead trusted environments only, no security Fast depends on redis Features
- 71. Want more? Terminal Client RSMQ rest-interface REST Interface For PHP, ASP, Curl … rsmq-cli (under dev.) RSMQ cli Monitoring Usage charts rsmq-monitor (planned) RSMQ monitor Notification Engine Email Buffer
- 72. Questions? Foto: JD Hancock CC by 2.0 Team Centric Software: http://www.tcs.de/ RSMQ: ! http://smrchy.github.io/rsmq/ RSMQ-worker: ! https://github.com/mpneuried/rsmq-worker Demo-Source: ! https://github.com/mpneuried/rsmq-mnug-demo Images: Thanks to JD Hancock for providing CC licensed images Credits
- 74. RabbitMQ management server Kue too complex and not lightweight SQS only AWS, higher latency Redis-List we need more than that Why not use …?