Re: Berserk Autovacuum (let's save next Mandrill)

>I don't think it's helpful to force emergency vacuuming more
>frequently;
>quite the contrary, it's likely to cause even more issues.  We should
>tweak autovacuum to perform freezing more preemtively instead.

I still think the fundamental issue with making vacuum less painful is that the all indexes have to be read entirely. Even if there's not much work (say millions of rows frozen, hundreds removed). Without that issue we could vacuum much more frequently. And do it properly in insert only workloads.