Why Your Cache Hit Rate Lies
Measuring caching effectiveness past the vanity number.
Amit Kumar Singh1 min read
Everything tagged performance, newest first.
Measuring caching effectiveness past the vanity number.
B-tree, GIN, BRIN, partial — picking the right index for the query.
Practical levers for trimming that first-request latency.
Turning Postgres query plans into actionable fixes.
Cache-aside, write-through, and write-behind — what each one guarantees, where they break, and how to think about the hardest part: invalidation.