Re: High CPU load caused by the autovacuum launcher process

2018-06-08 Thread Jeff Janes
On Fri, Jun 8, 2018 at 3:24 AM, Owayss Kabtoul wrote: > Hi folks, > > I ran into an issue where, on Postgres instances that have a very large > number of databases per cluster (~15K), the autovacuum process seems to > have a very high impact on CPU usage. Specifically, it is the autovacuum > laun

High CPU load caused by the autovacuum launcher process

2018-06-08 Thread Owayss Kabtoul
Hi folks, I ran into an issue where, on Postgres instances that have a very large number of databases per cluster (~15K), the autovacuum process seems to have a very high impact on CPU usage. Specifically, it is the autovacuum launcher process, not the workers. The launcher process eats a whole CP