In Praise of Memcached

5 hours ago

Redis is often chosen as a cache due to familiarity and features, but it's sometimes misused as a persistent database, leading to operational issues.
Memcached is presented as a simpler caching alternative with easier handling of downtime, client-side clustering, and no persistence, making it operationally straightforward.
The author prefers memcached over Redis for caching because it aligns better with treating caches as volatile and stateless, reducing maintenance complexity.
It's noted that performance issues often stem from slow queries or missing indexes, suggesting query optimization as a first step before adding caching.

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