eschmar / great-circle-distance

MySQL vs PostgreSQL great-circle distance benchmarks

Great-circle distance

MySQL vs PostgreSQL benchmarks. The system will generate tables containing test data. For that purpose, random points from areas within Sweden (see data.geojson) are chosen.

setup

PostgreSQL requires the earthdistance package.

create extension cube;
create extension earthdistance;

Make sure your MySQL server instance contains a geo table.

# Generate and fill database tables necessary for benchmarks
make

# Run benchmarks
./mysql.sh
./postgres.sh

select statements

-- MySQL
SELECT (6378.137 * acos(cos(radians(ST_X(p1))) * cos(radians(ST_X(p2))) * cos(radians(ST_Y(p2)) - radians(ST_Y(p1))) + sin(radians(ST_X(p1))) * sin(radians(ST_X(p2))))) AS distance
-- vs PostgreSQL
SELECT (p1 <@> p2) * 1.609344 AS distance

results

The test bench was running an Intel(R) Xeon(R) Platinum 8168 CPU @ 2.70GHz.