Denis BUCHER <dbucherml@xxxxxxxxxxxxx> 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 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance