idris khanafi <idris(dot)khanafi(at)detik(dot)com> writes:
> When I running pg_dump i have error
> pg_dump: Error message from server: ERROR: MemoryContextAlloc: invalid
> request size 4294967293
> pg_dump: The command was: FETCH 100 FROM _pg_dump_cursor
Looks like a corrupted-data problem to me. You might try not using
the -d/-D switch as the easiest way to find out which table contains
the corrupt data --- then you'll see the error on a COPY command instead
of a cursor fetch.
regards, tom lane