Re: Postgresql optimisation

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Denis BUCHER" <dbucherml(at)hsolutions(dot)ch>, <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Postgresql optimisation
Date: 2009-10-28 14:39:13
Message-ID: 4AE81141020000250002C071@gw.wicourts.gov
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Denis BUCHER <dbucherml(at)hsolutions(dot)ch> wrote:

> And each morning ... all data is INSERTed new

I recommend VACUUM ANALYZE of the table(s) after this step. Without
that, the first query to read each tuple sets its hint bits and
rewrites it, causing a surprising delay at unpredictable times
(although heavier near the start of the day).

-Kevin

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Denis BUCHER 2009-10-28 16:08:29 Re: Postgresql optimisation
Previous Message Grzegorz Jaśkiewicz 2009-10-28 14:17:16 Re: Postgresql optimisation