On 10/25/06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>
> CLUSTER will eat maintenance_work_mem during index rebuilds --- more or
> less. You shouldn't expect these numbers to be dead on, particularly
> not in older releases. It looks like your 2Gb spec has turned into
> 3.6Gb actually eaten, which is a bit sloppier accounting than I'd like
> but not overly surprising. (FWIW, I think CVS HEAD is better than 8.0
> at measuring sort workspace.)
>
> regards, tom lane
>
Thanks for the clarification. It doesn't sound like it's going to jump to
8Gb and hog most of the RAM.