sqlbench runs benchmarks on an SQL database. Right now this works for PostgreSQL and SQLite.

You can install it with go install zgo.at/sqlbench@latest; by default it required cgo and a C compiler to build for SQLite, but if you're only interested in PostgreSQL you can use CGO_ENABLED=0 go install zgo.at/sqlbench@latest.

See the output of sqlbench -h for detailed help and all flags, but in brief, to run the testdata:

% sqlbench -concurrent 4 \
    -db     sqlite+/tmp/test.sqlite3 \
    -setup  testdata/schema.sql \
    -setup  cpu_usage:testdata/data.csv \
    -params testdata/params.csv \
    -query  'select * from cpu_usage where host=? and ts>=? and ts<=?'

Wall time:      9 ms
Run time:      27 ms
Min:            0 ms
Max:            1 ms
Median:         0 ms
Mean:           0 ms

Distribution:
    ≤ 0 ms → 194  ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 97.0%
    ≤ 0 ms →   3   1.5%
    ≤ 1 ms →   1   0.5%
    ≤ 1 ms →   2   1.0%

    Wall time:     66 ms
    Run time:     251 ms
    Min:            1 ms
    Max:           34 ms
    Median:         1 ms
    Mean:           1 ms

The database will be set up with the SQL schema in testdata/schema.sql, populated with the CSV file testdata/data.csv, and it will run the query once for every entry in testdata/params.csv. -concurrent 4 tells sqlbench to run four queries concurrently.

You can use PostgreSQL with e.g. -db postgres+dbname=test:

% sqlbench -concurrent 4 \
    -db     postgres+dbname=test \
    -setup  testdata/schema.sql \
    -setup  cpu_usage:testdata/data.csv \
    -params testdata/params.csv \
    -query  'select * from cpu_usage where host=? and ts>=? and ts<=?'

Wall time:     58 ms
Run time:     218 ms
Min:            1 ms
Max:           15 ms
Median:         1 ms
Mean:           1 ms

Distribution:
    ≤  2 ms → 194  ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 97.0%
    ≤ 13 ms →   1   0.5%
    ≤ 14 ms →   1   0.5%
    ≤ 15 ms →   4  ▬ 2.0%

License

arp242/sqlbench

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