Pausing and Resuming Consumers
Learn to dynamically pause and resume Kafka consumers, a critical feature for handling backpressure or temporary service outages.
Why Pause a Consumer?
Imagine your Kafka consumer is processing messages faster than a downstream service can handle them. This can lead to overwhelming that service or even losing data.
This situation is commonly known as backpressure. It's a frequent challenge in event-driven systems.
Dealing with Backpressure
There are several ways to handle backpressure, such as increasing the capacity of your downstream service or implementing a retry mechanism.
Another powerful strategy is to temporarily pause your Kafka consumer. This stops it from fetching new messages until the downstream service recovers or the issue is resolved.
All lessons in this course
- Manual Offset Committing
- Pausing and Resuming Consumers
- Concurrency and Thread Management
- Rebalance Listeners and Static Membership