Am 21.03.20 um 13:02 schrieb Anders Steinlein: > default_statistics_target = 1000
not sure if this be the culprit here, but i think this is way too high. Leave it at the normal value of 100 and raise it only for particular tables and columns.
It may very well be too high, but the 9.4 instance also has default_statistics_target = 1000.