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Kafka Getting started youtube playlist

 Kafka for everyone 

  1. Learn Kafka basics here:

  2. Practice Kafka here:

  3. Learn Python basics for Kafka here:

  4. Learn Java basics for Kafka here:

  5. Learn distributed computing for Kafka here:

  6. Learn math and statistics for Kafka here:

  7. Learn Docker for Kafka here:

  8. Practice 2 Kafka projects here:

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Handling Kafka Retries in Spring Boot: Blocking vs. Reactive Approaches

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Project Reactor Important Methods Cheat Sheet

πŸ”Ή 1️⃣ subscribeOn – "Decides WHERE the Pipeline Starts" πŸ“ Definition: subscribeOn influences the thread where the data source (upstream) (e.g., data generation, API calls) runs . It affects the source and everything downstream (until a publishOn switches it). Flux<Integer> flux = Flux.range(1, 3) .doOnNext(i -> System.out.println("[Generating] " + i + " on " + Thread.currentThread().getName())) .subscribeOn(Schedulers.boundedElastic()) // Change starting thread .map(i -> { System.out.println("[Processing] " + i + " on " + Thread.currentThread().getName()); return i * 10; }); flux.blockLast(); Output: [Generating] 1 on boundedElastic-1 [Processing] 1 on boundedElastic-1 [Generating] 2 on boundedElastic-1 [Processing] 2 on boundedElastic-1 [Generating] 3 on boundedElastic-1 [Processing] 3 on boundedElastic-1 πŸ“’ Key Insight: ...