Reactive Distributes Applications with Vert.x

Reactive Amsterdam Meetup

Transcript

1. REACTIVE AMSTERDAM REACTIVE DISTRIBUTED APPS WITH VERT.X 3 / Paulo Lopes @jetdrone
2. THE QUEST FOR LOW LATENCY WHERE TO START?
3. APPLICATION SERVERS
4. APPLICATION SERVERS
5. APPLICATION SERVERS Around since 1999 (J2EE 1.2) Threading Security Transaction Management Load balancing
7. TOOLKIT < d e p e n d e n c y > < g r o u p i d > i o . v e r t x < / g r o u p i d > < a r t i f a c t i d > c o r e < / a r t i f a c t i d > < v e r s i o n > 3 . 2 . 1 < / v e r s i o n > < / d e p e n d e n c y >
8. UNOPINIONATED i m p o r t i o . v e r t x . c o r e . A b s t r a c t V e r t i c l e ; p u b l i c c l a s s S e r v e r e x t e n d s A b s t r a c t V e r t i c l e { p u b l i c v o i d s t a r t ( ) { v e r t x . c r e a t e H t t p S e r v e r ( ) . r e q u e s t H a n d l e r ( r e q ­ > { r e q . r e s p o n s e ( ) . p u t H e a d e r ( " c o n t e n t ­ t y p e " , " t e x t / p l a i n " ) . e n d ( " H e l l o f r o m V e r t . x ! " ) ; } ) . l i s t e n ( 8 0 8 0 ) ; } }
9. REACTIVE c o n n . q u e r y ( " S E L E C T * f r o m E M P " , r e s ­ > { i f ( r e s . s u c c e e d e d ( ) ) { / / G e t t h e r e s u l t s e t R e s u l t S e t r e s u l t S e t = r e s . r e s u l t ( ) ; } e l s e { / / F a i l e d ! } } ) ;
10. POLYGLOT $ v e r t x . c r e a t e _ h t t p _ s e r v e r ( ) . r e q u e s t _ h a n d l e r ( ) { | r e q | r e q . r e s p o n s e ( ) . p u t _ h e a d e r ( " c o n t e n t ­ t y p e " , " t e x t / p l a i n " ) . e n d ( " H e l l o f r o m V e r t . x ! " ) } . l i s t e n ( 8 0 8 0 )
11. DISTRIBUTED E v e n t B u s e b = v e r t x . e v e n t B u s ( ) ; e b . c o n s u m e r ( " n e w s . u k . s p o r t " , m e s s a g e ­ > { p r i n t l n ( " I h a v e r e c e i v e d a m e s s a g e : " + m e s s a g e . b o d y ( ) ) ; } ) ;
12. COEXISTENCE IN THE SYNCHRONOUS WORLD
13. ENTERPRISE SCALE ISN'T WEB SCALE!
15. HOW DOES VERT.X SCALE?
23. EVOLUTIONARY MIGRATION
27. TO THE POINT DISCOVERY
30. LIGHTWEIGHT
31. TIME FOR ACTION C10K ISN'T A PROBLEM!
32. SHOWTIME
33. C10K SERVER a p p . r o u t e ( " / e v e n t b u s / * " ) . h a n d l e r ( S o c k J S H a n d l e r . c r e a t e ( v e r t x ) . b r i d g e ( o p t i o n s ) ) ; v e r t x . c r e a t e H t t p S e r v e r ( ) . r e q u e s t H a n d l e r ( a p p : : a c c e p t ) . l i s t e n ( 8 0 8 0 , r e s ­ > { / / p u b l i s h a n e w m e s s a g e e v e r y 1 0 s e c v e r t x . s e t P e r i o d i c ( 1 0 0 0 0 L , t ­ > { v e r t x . e v e n t B u s ( ) . p u b l i s h ( " t i m e " , n e w J s o n O b j e c t ( ) . p u t ( " u n i x t i m e " , S y s t e m . c u r r e n t T i m e M i l l i s ( ) ) ) ; } ) ; S y s t e m . o u t . p r i n t l n ( " S e r v e r r e a d y ! " ) ; } ) ;
34. C10K CLIENT f o r ( i n t i = 0 ; i < s o c k e t s . l e n g t h ; i + + ) { v e r t x . c r e a t e H t t p C l i e n t ( ) . w e b s o c k e t ( 8 0 8 0 , " l o c a l h o s t " , " / e v e n t b u s / w e b s o c k e t " , w s ­ > { w s . f r a m e H a n d l e r ( f r a m e ­ > p r i n t l n ( f r a m e . b i n a r y D a t a ( ) ) ) ; / / s u b s c r i b e t o t h e " t i m e " a d d r e s s w s . w r i t e F r a m e ( W e b S o c k e t F r a m e . t e x t F r a m e ( S U B S C R I B E , t r u e ) ) ; } ) ; }
35. REAL DEMO
36. BACK TO THE BASICS
37. TO THREAD OR NOT TO THREAD?
38. THE STACK codegen microservice-toolbox web mail-client redis-client proton ignite hawkular-metrics
39. THE STACK... jdbc-client mongo-client sql-common mysql-postgresql-client stomp service-proxy auth hazelcast
40. THE STACK... dropwizard-metrics lang-ceylon zookeeper unit tcp-eventbus-bridge service-factory jgroups rx
41. THE STACK... maven-service-factory camel-bridge shell bridge-common sync reactive-streams lang-ruby lang-js
42. THE STACK... lang-groovy jca http-service-factory lang-python codetrans docgen amqp-bridge amqp-service
43. THE STACK... rabbitmq-client lang-scala component-discovery
44. VERT.X 3 FOR YOUR NEXT CURRENT PROJECT!
47. THANK YOU! Vert.x is fun! http://vertx.io