What is cache invalidation in microservices?
Cache invalidation is the process of removing or updating cached data when the underlying data changes, ensuring data consistency.
Why is cache invalidation important in microservices?
It's crucial because microservices often rely on cached data for performance. Invalidation ensures that users receive the most up-to-date information.
What are some strategies for cache invalidation?
Common strategies include time-based expiration, event-driven invalidation, and manual invalidation through APIs.
Can you give an example of event-driven cache invalidation?
Sure! For instance, if a user updates their profile, an event can trigger the cache to invalidate the user's cached data.
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