Re: Many DataFileRead - IO waits - Mailing list pgsql-performance

From Ben Snaidero
Subject Re: Many DataFileRead - IO waits
Date
Msg-id CAEPE5bMHZ3vLS85O7dTFGhRg+SG=Z2=dDbupAmjNAnDEBPayYQ@mail.gmail.com
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In response to Re: Many DataFileRead - IO waits  (Michael Lewis <mlewis@entrata.com>)
Responses Re: Many DataFileRead - IO waits  (legrand legrand <legrand_legrand@hotmail.com>)
List pgsql-performance
On Fri, Feb 28, 2020 at 11:41 AM Michael Lewis <mlewis@entrata.com> wrote:
If no updates or deletes are happening on the table, it would be best practice to set up a scheduled manual vacuum analyze to ensure statistics and the visibility map is updated. Other than creating the index on the first two columns only, I'm out of ideas. Hopefully someone running Postgres at large scale on Windows will chime in.

Yep.  We run manual vacuum freeze analyze weekly to ensure visibility map is updated and statistics are up to date.

Thanks for taking the time to look. 

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