Re: Postgresql optimisation - Mailing list pgsql-performance

From Kevin Grittner
Subject Re: Postgresql optimisation
Date
Msg-id 4AE81141020000250002C071@gw.wicourts.gov
Whole thread Raw
In response to Postgresql optimisation  (Denis BUCHER <dbucherml@hsolutions.ch>)
Responses Re: Postgresql optimisation  (Denis BUCHER <dbucherml@hsolutions.ch>)
List pgsql-performance
Denis BUCHER <dbucherml@hsolutions.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

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