i wiil provide some info in case it is helpful
-the error msg is -> WARNING: PD_ALL_VISIBLE flag was incorrectly set in
relation "summary_data" page 54
(the same thing appears for many tables and many pages on each table)
-in my internet searching i found some cases where this issue was related to
vacuum operations. in this server, autovacuum is on and working on these
tables (since there are updates/deletes there). would it help to turn
autovacuum off, run manually vacuums once a day (to those tables needing it,
which is determined by the system params) and check the logs?
what is strange, is that these messages appear only on 1 db of the server,
tha smallest one. and never for the other
--
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