[postgis-users] ST_DWithin Performance

[Carl S. Yestrau Jr.]

I have a geography(Point,4326) column with a gist index with ~700K
records. A simple query using the ST_DWithin() is taking about 15
secs. Any pointers from the resident experts?

Arch Linux x86
postgis-1.5.2-1
postgresql-9.0.2-2