Can any one point me to a document describing pgsql's use of shared memory so I can pick the optimal choice for SHMMAX? How much shared memory can pgsql effectively use? Thanks! --Martin =========================================================================== Martin Weinberg Phone: (413) 545-3821 Dept. of Physics and Astronomy FAX: (413) 545-2117/0648 530 Graduate Research Tower [EMAIL PROTECTED] University of Massachusetts http://www.astro.umass.edu/~weinberg/ Amherst, MA 01003-4525 ************