Re: neither CPU nor IO bound, but throttled performance

Thank you Magnus. 68% steal. Indeed. You probably hit the target. Yes. That explains the discrepancy. I need to watch and understand that CPU credits issue. regards, -Gunther On 2/21/2019 4:08, Magnus Hagander wrote: On Thu, Feb 21, 2019 at 12:34 AM Gunther > wrote:

Re: neither CPU nor IO bound, but throttled performance

On Thu, Feb 21, 2019 at 12:34 AM Gunther wrote: > Hi, I have an Amazon Linux based Postgresql 11 server here on a t2.medium > EC2 instance. > > It is serving 24 worker processes that read jobs from a queue (thanks to > SELECT ... FOR UPDATE SKIP LOCKED!) and do jobs some of which are reading >