REACTIVE POWDER CONCRETE AND ITS APPLICATION IN COMPOSITE ...
BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN...
Transcript of BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN...
![Page 1: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/1.jpg)
BEYOND THE BUZZWORD:A REACTIVE WEB
APPLICATION IN PRACTICEMANUEL BERNHARDT - @ELMANU
JFOKUS 2016
![Page 2: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/2.jpg)
AGENDA
1. Evolution of web application architecture2. Evolution of hardware
3. Small Reactive Web Application4. (Deployment)
![Page 3: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/3.jpg)
WHO IS SPEAKING
> web, web, web> freelance software consultant
> Vienna Scala User Group> writing wrote a book on reactive
web-applications
HTTP://WWW.MANNING.COM/BOOKS/REACTIVE-WEB-APPLICATIONS
39% OFF WITH CODE CTWJFOKUS16
![Page 4: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/4.jpg)
A SHORT (AND MOSTLY WRONG)HISTORY OF WEB APPLICATION
ARCHITECTURE
![Page 5: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/5.jpg)
"GOOD OLD DAYS" ARCHITECTURE
![Page 6: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/6.jpg)
"3 TIER" ARCHITECTURE
![Page 7: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/7.jpg)
"CLOUD" ARCHITECTURE
![Page 8: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/8.jpg)
"CLOUD" ARCHITECTURE
![Page 9: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/9.jpg)
"MICROSERVICES" ARCHITECTURE
![Page 10: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/10.jpg)
"MICROSERVICES" ARCHITECTURE
![Page 11: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/11.jpg)
TREND: INCREASING AMOUNT OF NETWORK I/O
![Page 12: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/12.jpg)
TREND: INCREASING AMOUNT OF NETWORK I/O
![Page 13: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/13.jpg)
REACTIVE ARCHITECTURAL PATTERN
![Page 14: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/14.jpg)
EVOLUTION OF HARDWARE
![Page 15: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/15.jpg)
![Page 16: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/16.jpg)
EVOLUTION OF CPUS
![Page 17: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/17.jpg)
![Page 18: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/18.jpg)
![Page 19: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/19.jpg)
![Page 20: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/20.jpg)
EVOLUTION OF MEMORY
![Page 21: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/21.jpg)
![Page 22: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/22.jpg)
![Page 23: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/23.jpg)
CONCLUSION
> many-core & distributed systems> explicit asynchronous programming is getting
important> explicit failure handling is getting important
![Page 24: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/24.jpg)
LET'S BUILD A SMALL
REACTIVE WEB APPLICATION
![Page 25: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/25.jpg)
![Page 26: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/26.jpg)
![Page 27: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/27.jpg)
![Page 28: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/28.jpg)
![Page 29: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/29.jpg)
ACTORS
> lightweight objects> send and receive messages (mailbox)
> can have children (supervision)
"LONG-LIVED" ASYNC COMPUTATION
![Page 30: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/30.jpg)
CODING
![Page 31: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/31.jpg)
FUTURESscala.concurrent.Future[T]
> holds a value of type T> can either fail or succeed
> async code does not block a thread while waiting for completion
"SHORT-LIVED" ASYNC COMPUTATION
![Page 32: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/32.jpg)
PIPEakka.pattern.pipe
> bridge between Futures and Actors> implemented as anonymous actor
![Page 33: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/33.jpg)
PIPEakka.pattern.pipe
> bridge between Futures and Actors> implemented as anonymous actor
![Page 34: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/34.jpg)
CIRCUIT BREAKERakka.pattern.CircuitBreaker
> helpful when dealing with legacy / slow systems & prevents cascading
failure
> like an electric circuit breaker, trips when there's a surge
> trips after a given number of failures, for a given timeout, then
attempts reset
![Page 35: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/35.jpg)
DEPLOYMENT
> stand-alone vs. "elastic deployment"> elastic, fault-tolerant is not trivial
> use a managed service / solution
![Page 36: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/36.jpg)
DEPLOYMENT
> Typesafe ConductR> automated cluster management for
Play / Akka / ... applications> automated node failure & network
partition resolution
![Page 37: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/37.jpg)
DEPLOYMENT
> fully managed operations> auto scalability feature (horizontal
& vertical)> attractive pricing
![Page 38: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/38.jpg)
![Page 40: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/40.jpg)
GATLING
> open-source load testing framework> built with Scala, Akka and Netty
> two phases: record and run
![Page 41: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/41.jpg)
![Page 42: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/42.jpg)
GATLING SIMULATION FILE// ...setUp( scn.inject( nothingFor(4 seconds), rampUsers(100) over(10 seconds), atOnceUsers(10), constantUsersPerSec(2) during(15 seconds) randomized, splitUsers(500) into ( rampUsers(50) over(10 seconds) ) separatedBy(2 seconds) ).protocols(httpProtocol))
![Page 43: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/43.jpg)
![Page 44: BEYOND THE BUZZWORD: A REACTIVE WEB APPLICATION IN PRACTICE · A REACTIVE WEB APPLICATION IN PRACTICE MANUEL BERNHARDT - @ELMANU JFOKUS 2016. AGENDA 1. Evolution of web application](https://reader033.fdocuments.in/reader033/viewer/2022042220/5ec6e99f5a448e2dc116a3a8/html5/thumbnails/44.jpg)