Re: MultiXacts & WAL

paolo romano <paolo.romano@yahoo.it> writes:
> The point i am missing is the need to be able to completely recover
> multixacts offsets and members data. These carry information about
> current transactions holding shared locks on db tuples, which should
> not be essential for recovery purposes.

This might be optimizable if we want to assume that multixacts will never
be used for any purpose except holding locks, but that seems a bit short
sighted.  Is there any actually significant advantage to not logging
this information?
        regards, tom lane