Redis Internals
One Questions, Why Redis Handle more TCP Connection: What makes Redis Special: Redis is an open source in memory ds store that can be use on Database, cache, Message Broker and Stream engine Some ds
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How u Build Fault Tolerance in Microservices: Resilience 4j
Before Entering into this Fault Tolerance What is Idempotency how u archieve? Idempotency means Duplicate calls to server will not allow to create duplicate records. GET,PUT,PATCH,DELETE → Idempotent in nature POST → Non Idempotent How we handle this...
Java 21
SequencedCollection/Set/Map (Java 21) unify collections with a defined order. They add first, last, reversed, and add/remove at ends methods. Implemented by List, LinkedHashSet, LinkedHashMap, SortedMap, etc. Solve the problem of inconsistent han...
RefreshScope Annotation
Usually we do when application start, we will fetch the properties from the Config files like from another service this will pull the properties What if i changes the configuration in the file did it again fetch how? it come? Do say u will restart se...
What u know about Project Reactor?
We are driven into the project reactor for to make asynchronous and Tomcat Request per model to break Project Reactor Beauty is non-blocking operations. Project Reactor comes with even loop handling What is Event Loop? let break this o many event loo...
All About Configuration.Properites in springboot
Who knows @value problematic? This is good for injecting in a single property, but it becomes problematic when as configuration grows. And it much of duplication like we need to add vlaue to all properties and this has no control for validation we ne...
Spring WebFlux:
In Project Reactor (used by Spring WebFlux & R2DBC), the main types are: Mono<T> → 0 or 1 item (like Optional<T> but async). Flux<T> → 0 to N items (like Stream<T> but async). On top of that, we have a big toolbox of operators (methods you can ch...