[postgis-users] Controlling PostGIS memory usage

Sandro Santilli strk at keybit.net
Fri Mar 28 07:56:37 PDT 2014

On Thu, Mar 27, 2014 at 11:25:05AM -0500, Dan Gast wrote:

> overcommit = 2 is definitely the best choice in this situation (i.e.
> give the daemon a chance to give up gracefully), but I still don't
> understand why memory balloons in the first place.

ST_Buffer is known to possibly use a lot of memory, especially
with round endpoints. See if/how things change with "endcap=flat".


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