Events & Commands • Chris Richardson • YOW! 2018

Рет қаралды 1,880

14 күн бұрын

This presentation was recorded at YOW! 2018. #GOTOcon #YOW
yowcon.com
Chris Richardson - Creator of the Original CloudFoundry.com & Author of 'POJOs in Action' & 'Microservices Patterns'
RESOURCES
x.com/crichardson
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github.com/cer
fosstodon.org/@crichardson
www.chrisrichardson.net
microservices.io
RECOMMENDED BOOKS
Chris Richardson • Microservices Patterns • amzn.to/3PVVvHj
Chris Richardson • POJOs in Action • amzn.to/44JGSLr
Sam Newman • Monolith to Microservices • amzn.to/2Nml96E
Sam Newman • Building Microservices • amzn.to/3dMPbOs
Ronnie Mitra & Irakli Nadareishvili • Microservices: Up and Running• amzn.to/3c4HmmL Mitra, Nadareishvili, McLarty & Amundsen • Microservice Architecture • amzn.to/3fVNAb0
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Пікірлер: 3

@jscancella 12 күн бұрын

I don't understand from his talk why Kafka isn't an event store since it stores the messages forever if you set it that way

@Satook 12 күн бұрын

Access patterns. it doesn’t support giving you efficient access for per-stream or per aggregate-type sequential reads and stream fetches at the same time. In many common ES scenarios you end up replaying all events even when you only want a few of them. This becomes a problem pretty quickly as it’s essentially a large read-amplification.

@jscancella 12 күн бұрын

@@Satook sorry, that still doesn't make sense to me. Why would you continue to have a single stream? Just like in accounting you close them out every X timebox so you are only ever needing to read from the end of the last timebox (snapshot, savepoint, whatever you want to call it). You can also have aggregated streams that just provide the latest value of all the messages