Redis provides two main ways to persist data on disk

• RDB - take snapshots of the database at configured intervals


• [...]

A [...] is a space-efficient, probabilistic data structure to keep track of what items are part of a group (set)

However, it can have false positive matches.

Using a [...] mode to test your caching system is where you send requests to both the source-of-truth and the cache.

You compare the results from the source-of-truth and the cache to measure cache freshness

[...] is a distributed, open source database that was developed at Yandex (the Google of Russia)

It's designed for OLAP workloads so it's column-oriented and has native support for SQL

The primary metric for analyzing performance of a Cache is the cache hit ratio.

The cache hit ratio measures what proportion of requests are [...]