Denis BUCHER <dbuche...@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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