Getting groovier-with-vertx
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Demo application available at https://github.com/hiteshBhatia/vertx-imagetransformation.git It includes inroduction to VERTX, key advantages and concepts, internals and demos. It begins with an introduction to VERTX section which includes an introduction to VERTX and its features. It also includes reasons of using VertX. Following is a section on key advantages and concepts. It includes advantages of using VertX like nature, scalability etc. It also includes key concepts like verticle, event bus, event loop, worker thread, module and how VertX works on these concepts. In addition to this, there is a section on internals and demos which includes open source projects, demo applications, architecture of these demo applications in form of producer, queue, consumers, workers, event bus. The last section of the tutorial covers up a summary section. It includes a brief summary of VertX and pointers to look something forward to like integration, language support, creation of modules etc.
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Getting groovier-with-vertx
- 3. AGENDA Howitworks Internals Demos Summary KeyConcepts WhatisVert.x KeyadvantagesofVert.x WhyVert.x
- 4. Why Vert.x ? C10K Whyisitbecoming prominent ? Mobile Tablets Laptops Longlivedconnections
- 5. Advantages of Vert.x PolyglotNature Runs on JVM EasyScalability HybridModel
- 7. Verticle Unitof deployment Could be a Java class with a main method or a groovy script Verticle1 Verticle2 Vert.x Instance Verticle1 Verticle2 Verticle runsinside a Vertxinstance, which runsinside its own JVM instance.
- 8. EventBus Verticle1 Verticle2 Vert.x Instance EVENTBUS Publish/SubscribepatternorP2P Messaging Communication channel forthe verticles. Involvesregistering,unregisteringof handlers, and sending,publishingof messages.
- 9. Executeshandlerssynchronously on a single thread Managed by vert.xinstance Or long running EventLoop Verticle1 Verticle2 Vert.x Instance Event Loop EVENTBUS 10 Verticle1 Verticle2
- 10. Worker Verticle Verticle1 Verticle2 Vert.x Instance EVENTBUS Verticle1 Verticle2 Uses background pool of threads Used for task that require blocking Or long running tasks line Worker Thread Pool
- 11. Reuseable Can be implemented in any language Communicates via EventBus Only Module can also be of type worker Verticle1 Verticle2 Vert.x Instance Worker Thread Pool Module EVENTBUS Verticle1 Verticle2 Worker Event Loop Modules
- 12. Verticle1 Verticle2 EVENTBUS Vert.x Instance Event Loop Worker Thread Pool Module Module Verticle Vert.x Instance 1 2 Verticle1 Verticle2 Worker BigPicture
- 14. Vert.xusesthefollowingopen source projects Elasticsearch: Big Data Search Simplified OPEN SOURCE PROJECTS JRuby forits Rubyengine Nettyfor much of its network IO Groovy Mozilla Rhino forits JavaScriptengine Jython for its Pythonengine Hazelcast forgroup management of clustermembers INTERNALSVert.X
- 16. Elasticsearch: Big Data Search SimplifiedWorker.groovy Worker.rb Worker.py Applies blureffect AppliesSepia effect Applies pixelateeffect PUSHESTASKS TOQUEUEvia EventBus Producer (Groovy) Queue (Groovy) Consumer (Groovy) LISTENSTO QUEUEviaEvent Bus UsesVert.x Mod UsesVert.x Mod Assigns Work • CONSUMER (STARTSTHREEWORKERVERTICLES) • ASSIGNSWORKTOWORKERVERTICLES EVENTBUS Vert.X Demo Application Architecture
- 17. Elasticsearch: Big Data Search Simplified Producer (Groovy) UsesVert.x Mod EVENTBUS Writteningroovy Pushestasks to queue Runsas a partof a cluster PRODUCER Vert.X Demo Application Architecture
- 18. Queue (Groovy) UsesVert.x Mod EVENTBUS Writteningroovy Usesvertxmod “vertx-work-queue” UsesMongodb Sendstasks registered verticles (Consumer) QUEUE Vert.X Demo Application Architecture
- 19. Vert.X Demo Application Architecture Consumer (Groovy) Assigns Work EVENTBUS Writteningroovy Startsthreeworkers verticles Registerwithqueue Assignsworktoworkers verticle CONSUMER
- 20. Vert.X Demo Application Architecture Worker.groovy Worker.rb Worker.py Applies blureffect AppliesSepia effect Applies pixelateeffect EVENTBUS Threeworkers,all implemented indifferent languages – Groovy, Rubyand Python Apply specific transformationonimages Don’t interact within themselves WORKERS
- 21. Used forcommunication EVENTBUS EVENTBUS Vert.X Demo Application Architecture
- 22. Very suitable forreal-timeweb-applications Hybrid threaded model Allows polyglot programming Easyscalability Summary Runs on JVM Event busacts as main communication channel
- 23. SOMETHINGS TO LOOK FORWARDTO… Vert.x 2.0 Yoke Framework ScalaSupport • UsesNetty4.0 • Gradleintegrationforcreatingbuilds • Languagesupportavailableasmodules • BetterIDEsupport • Applicationthathelpincreationofmodules
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