5 Reasons to Use Reactive Programming if You Are Not eBay • Grygoriy Gonchar • GOTO 2018
This presentation was recorded at GOTO Berlin 2018. #gotocon #gotober
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Grygoriy Gonchar - Software Architect at Ebay @grygoriygonchar6994
ABSTRACT
Reactive Systems address challenges of modern applications, the challenges related to a high number of users and high throughput. Not every application has high enough throughput to benefit from non-blocking reactive design. Imperative blocking applications can still be fast, resilient and responsive. But surprisingly there are other reasons to use reactive programming except for a really high throughput. At eBay daily requests reach billions. No surprise that reactive programming could bring a value to eBay. What about systems that do not reach such a high amount of traffic? As part of eBay Inc., eBay Classifieds Group includes 10 local brands including GumTree, Kijiji, eBay Kleinanzeigen and others. While ebay.com is a global platform [...]
Download slides and read the full abstract here:
https://gotober.com/2018/sessions/657
TIMECODES
0:00 Introduction
3:13 Reactive Systems
4:29 Project Reactor
9:18 Debugging
11:13 How expensive is blocking
12:25 Threads Overhead
18:08 External call example
19:17 How fast is Fork Join Executor
20:48 Stream processing example from Gumtree UK, Motor Talk DE
22:52 Back-Pressure
24:22 Conversation Service Example from mobile de
26:08 Android BFF Example from Gumtree UK
27:50 Client-side reactivity
29:34 Use-cases for reactive programming
30:46 What might be a good candidate for reactivity
31:45 When I (personally) would NOT use Reactive Programming
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