In a microservices architecture using Spring Boot, how would you implement a shared cache to ensure that different services have access to the same cached data, maintaining consistency?
- Implement a separate cache instance for each microservice to ensure isolation.
- Use a distributed caching solution like Redis or Memcached and configure it as a shared cache.
- Use HTTP-based caching mechanisms to share data between microservices.
- Use an in-memory cache within each microservice for simplicity.
To maintain consistency and share cached data in a microservices architecture, using a distributed caching solution like Redis or Memcached is a common approach. This ensures that different services can access the same cache, improving consistency. The other options, such as separate cache instances or in-memory caches per microservice, do not provide the same level of shared, consistent caching.
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