Cache vs. Database: Has Performance Converged?

Cache vs. Database: Has Performance Converged?
Using memcached and ScyllaDB: An in-depth look at database and cache architectures, and the tradeoffs in each.
Although caches and databases are different animals, databases have always cached data and caches are starting to use disks. Is their performance converging over time?
In-memory caches have long been regarded as one of the fastest infrastructure components around. Yet, it’s been a few years since caching solutions started to look into the realm of flash disks
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