walpino@gmx.ch writes:
> we wanna upgrade our Installations from Version 9.5.3 to 9.6.3
> everything works fine with the pg_upgrade
> after the Upgrade process we encountered an performance issue
Please read
https://wiki.postgresql.org/wiki/Slow_Query_Questions
concerning how to provide enough information to help diagnose
performance problems. The info you've given here certainly is
not adequate.
regards, tom lane
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