2 ms·
this article https://www.uber.com/blog/postgres-to-mysql-migration/ https://www.uber.com/blog/postgres-to-mysql-migration/ you're right -- I misunderstood. I t
by awinter-py 3y ago
this article https://www.uber.com/blog/postgres-to-mysql-migration/ https://www.uber.com/blog/postgres-to-mysql-migration/
you're right -- I misunderstood. I thought mysql could do in-place writes to rows, saving mvcc / vacuum work
let me amend my point to: a system designed for storing counters can optimize for that case, while sql DBs will do relatively more IO to incremental a counter