[postgis-users] Slow performance when selecting a geometry column

David Robison David.Robison at q-free.com
Thu Mar 17 17:57:58 PDT 2016

I am having an issue with a postgis database with the time it takes to query the geometry column. The query selects 8000 records. The time to retrieve the records when not returning the geometry column is about 100ms. However, the time for the same query when requesting the geometry column takes about 9 seconds.  Any thoughts on how I can improve the performance reading the geometry column from a postgis database? I am using PostgreSQL 9.4 and Postgis 22.1.
Thanks, David

David Robison
Principal System Engineer
O. +1 757 546 3401
M. +1 757 286 0022
david.robison at q-free.com<mailto:david.robison at q-free.com>

Q-Free Open Roads
103 Watson Road
Chesapeake VA 23320

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