Re: ERROR: invalid memory alloc request size <a_big_number_here>

[Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>]

Matteo Beccati wrote:
> Hi Tom,
> 
> >Well, this apparently indicates a bug in the new multixact code, but
> >there's not enough info here to figure out what went wrong.  Can you
> >create a test case that will let someone else reproduce the problem?
> 
> Unfortunately the error pops up randomly in a very complex app/db and I 
> am unable to produce a test case :(
> 
> Lat me know what other I can do to help fixing the bug.

It would be good to see the contents of MultiXactState.  I suspect
there's a race condition in the MultiXact code.

-- 
Alvaro Herrera       Valdivia, Chile   ICBM: S 39º 49' 17.7", W 73º 14' 26.8"
"El realista sabe lo que quiere; el idealista quiere lo que sabe" (Anónimo)