[DEVELOPER] Elasticache and Advanced RDS / Aurora

Question 1

What is a Cache Eviction?

Answer 1

When too many other things get in your cache before the second request comes through, leading to a cache miss. The solution is generally to have a bigger cache!

Question 2

In Elasticache Cacheing, what is Lazy Loading?

Answer 2

You only put data in the cache when it is requested.

Question 3

In Elasticache Cacheing, what is the Write-Through strategy?

Answer 3

Add or update data in the cache whenever data is written to the database