What is the impact of cache invalidation on system design?
Cache invalidation is crucial as it ensures data consistency and affects system performance and scalability.
Can you explain the different strategies for cache invalidation?
Sure! Common strategies include time-based expiration, manual invalidation, and event-driven invalidation.
What are the trade-offs of each strategy?
Time-based expiration can lead to stale data, manual invalidation requires more management, and event-driven can be complex.
How does cache invalidation affect user experience?
Proper cache invalidation can enhance user experience by providing up-to-date information quickly, reducing latency.
What are some real-world examples of cache invalidation issues?
Examples include social media feeds showing outdated posts or e-commerce sites displaying incorrect stock levels.
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