Well I'm just saying if you realloc a x kilobyte block into a 2x block and the allocator can't expand it and has to copy then it seems inevitable.

--
Greg


On 19 May 2009, at 14:11, Simon Riggs <si...@2ndquadrant.com> wrote:


On Tue, 2009-05-19 at 13:52 +0100, Greg Stark wrote:

So at least transiently we use 3x the size of the actual array.

I was conjecturing, prior to investigation. Are you saying you know
this/have seen this already?

--
Simon Riggs           www.2ndQuadrant.com
PostgreSQL Training, Services and Support


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