What is caching in a pub/sub system?
Caching in a pub/sub system involves storing messages temporarily to improve performance and reduce latency.
How does caching improve performance?
Caching reduces the need to fetch data from the source repeatedly, which speeds up message delivery and decreases load.
Are there any downsides to using caching?
Yes, caching can lead to stale data if not managed properly, and it may increase complexity in the system.
What strategies can I use for effective caching?
Common strategies include time-based expiration, cache invalidation, and using a distributed cache for scalability.
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