3
votes
1answer
108 views

Is Postgres and Disk IO limiting pgRoutings performance?

I am doing this Q&A style because I have done my google research and I could not find any thrustworthy and 'benchmarked' data. So I did it myself. CPU vs DISK as 'the limitting' factor on ...
4
votes
1answer
330 views

How to use more than one CPU?

I'm creating a real time traffic application. I read the AVL car data from a web service and insert the records in a PostgreSQL table Then a trigger calculates the closest link and if there is a ...
5
votes
5answers
446 views

Improve performances on distance coverage routing - PostgreSQL

I have to create layers of land coverage from one point to anywhere around on a given street network for a given distance (ex: FROM house, DISTANCE 30000m) An important factor to understand; I need ...
15
votes
3answers
3k views

How can I optimize pgrouting for speed?

I am using pgrouting on a postgis database created through osm2pgrouting. It performs very good on a limited dataset (3.5k ways, all shortest path A* searches < 20 ms). However since I have ...