Re: Many DataFileRead - IO waits

2020-02-27 Thread Michael Lewis
How big is ix_tabledata_intid_timestampdate_intotherid3_intotherid2 on disk? If you create another index with same fields, how much space does it take? Real question- are you vacuuming aggressively enough for your workload? Your index name seems to indicate that intotherid3 would be the third key,

Many DataFileRead - IO waits

2020-02-27 Thread Ben Snaidero
Running into a strange issue that just popped up on a few servers in my environment and was wondering if the community had any insight into as to what could be causing the issue. First, a bit of background. I am running Postgres 10.11 on Windows (but have seen similar issue on a server running 11.

Re: much slower query in production

2020-02-27 Thread Guillaume Cottenceau
Jeff Janes writes: > On Wed, Feb 26, 2020 at 1:02 PM Guillaume Cottenceau wrote: > > It is actually consistent with using a restored backup on the dev > computer, as my understanding is this comes out without any > garbage and like a perfectly vacuumed database. > > I think I got that backwar