Apache Kafka: A Simple Guide with Code Examples
What is Apache Kafka? Think of Kafka like a super-fast postal service for your applications. Instead of letters, it delivers messages between different parts of your software system. When one app wants to tell another app something, it sends a message through Kafka, which makes sure it gets delivered reliably and quickly. Kafka is especially good at handling tons of messages at once - we're talking millions per second. This makes it perfect for things like tracking website clicks, processing payments, or monitoring sensors in real-time. Key Concepts Topics : These are like mailboxes with specific names. If you want to send messages about "user-clicks" or "payment-transactions", you'd create topics with those names. Producers : These are the apps that send messages. Think of them as the people dropping letters into mailboxes. Consumers : These are the apps that read messages. They're like postal workers collecting mail from the mailboxes. Broker...