Frank van Vugt <ftm(dot)van(dot)vugt(at)foxi(dot)nl> writes:
> ERROR: invalid memory alloc request size 3248857576
> Obviously, since the backend keeps running, it won't be easy to get my hands
> on the backtrace from when this error occurs and I'm wondering about the best
> way to proceed in order to produce some helpfull input to the developers.
Provide a reproducible test case maybe?
Also, building with --enable-cassert might help track it down.
regards, tom lane