The Art of CQRS

The Art of CQRS,[object Object],Slava Pocheptsov,[object Object],Tech Leader,[object Object],pocheptsov,[object Object],pocheptsov@gmail.com,[object Object]

1,[object Object],Why?,[object Object],Distributed System,[object Object],Complex Enterprise Applications,[object Object],High Load,[object Object],Parallel Development,[object Object]

2a,[object Object],Current Warrior's Way,[object Object],Layered Onion Structure,[object Object]

2b,[object Object],Current Warrior's Way,[object Object],SOA,[object Object]

2c,[object Object],Current Warrior's Way,[object Object],Custom Solution,[object Object]

3a,[object Object],Overview,[object Object],CQRS – ,[object Object],The Cult of,[object Object],Shiny Things,[object Object],Command Query,[object Object],Responsibility,[object Object],Segregation,[object Object]

Overview,[object Object],CQRS as a concept is a way of designing disconnected solutions,[object Object],3b,[object Object]

4,[object Object],Reinvent the Wheel,[object Object],C Q R S,[object Object]

5a,[object Object],Meaning,[object Object]

Meaning,[object Object],CQRS Principle,[object Object],CQRS Architecture,[object Object],DDDD,[object Object],How, What, Why?,[object Object],5b,[object Object]

6,[object Object],Principle,[object Object]

7,[object Object],Architectures,[object Object]

8,[object Object],DDDD,[object Object],DDD - Aggregate Root,[object Object],Event Sourcing,[object Object],CQRS,[object Object],Messaging System,[object Object]

Queries,[object Object],View Model instead of DTO,[object Object],Query Data Storage,[object Object],Scaling ,[object Object],9,[object Object]

10,[object Object],Commands,[object Object],Perform,[object Object],Validation,[object Object],Rethinking UI,[object Object],Queue,[object Object],Scaling,[object Object],Independent,[object Object],Fallacy reuse,[object Object]

11,[object Object],Command Handler Combinations,[object Object]

Domain Model,[object Object],Aggregate Root within Command Handler,[object Object],Context,[object Object],Active Record,[object Object],SPs,[object Object],Monkey input,[object Object],12,[object Object]

13,[object Object],Events,[object Object],Happened,[object Object]

14,[object Object],Storage,[object Object],Barrels,[object Object]

15,[object Object],Architecture Reminder,[object Object]

Caveats,[object Object],Complexity?,[object Object],Out of order,[object Object],Distributed Transaction,[object Object],Data staleness,[object Object],Sagas,[object Object],Domain Design,[object Object],Focus on Domain Validation,[object Object],Task-Based UI,[object Object],Knowledge,[object Object],16,[object Object]

17,[object Object],Value,[object Object],Saga oriented! first-one-wins, or last-one-wins,[object Object],Team collaboration,[object Object],Scaling,[object Object],Simplify complex logic support,[object Object],Part of SOA,[object Object],BASE,[object Object]

No,[object Object], numbers,[object Object],or,[object Object],charts,[object Object]

Implementation,[object Object],nCQRS,[object Object],Axon Framework,[object Object],Fohjin,[object Object],Lokad.CQRS,[object Object],BankSimplistic,[object Object],SimpleCQRS,[object Object],Agr.CQRS,[object Object],JDon,[object Object],18,[object Object]

19,[object Object],Production,[object Object],LokadSalescast,[object Object],Amazon (SOA),[object Object],No public available info about Enterprise systems,[object Object],Tvene,[object Object]

20,[object Object],Future,[object Object]

Answers,[object Object],http://blog.pocheptsov.com/p/cqrs-references.html,[object Object],http://cqrsinfo.com/http://codebetter.com/gregyoung/http://abdullin.com/http://groups.google.com/group/dddcqrshttp://blog.jonathanoliver.com/http://igor.quatrocode.com/http://cre8ivethought.com/http://www.dennisdoomen.net/http://thinkddd.com/http://www.udidahan.com/,[object Object]

@pocheptsov,[object Object],31337,[object Object]

The Art of CQRS

The Art of CQRS

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