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Understanding Kafka Partitions and Consumer Groups: A Practical Deep Dive
When engineers first start learning Apache Kafka, two concepts often create confusion: Partitions Consumer Groups Questions like these are extremely common: Why does Kafka need partitions? Are partitions tied to brokers? Why would a consumer group contain multiple consumers if only one consumer processes a message? Should the number of partitions equal the number of…
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Enable CORS in a JAX-RS Project
Cross-Origin Resource Sharing (CORS) is a security feature that restricts web pages from making requests to a different domain than the one that served the web page. If you are developing a JAX-RS project and want to enable CORS, there are a few different approaches you can take. One approach is to use a JAX-RS…
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What is the importance of logging in Java applications?
Logging plays a crucial role in Java applications for various reasons. Here are some of the key importance of logging: In summary, logging in Java applications is crucial for debugging, troubleshooting, error tracking, performance analysis, system monitoring, auditing, compliance, security, and maintaining a historical record of application activities. It enables developers and system administrators to…