avinash varma <avinashvarma443(at)gmail(dot)com> writes:
> Actually , we used the same backup to restore on both V10 & V11 , So the
> data on both the versions is same.
> After restore, we ran vacuum full analyze on both the servers .
> default_statistics_target value "1000" is same on both the versions.
> Used the same postgresql.conf , i,e it is same on both V10 and V11
You didn't answer the question:
>> First thing to do is to look into pg_stats and see how large those
>> arrays actually are in each case ...
Also, please don't top-post when replying. It makes it hard for
people to follow the conversation.
regards, tom lane