Add instructions to install psycopg2
@@ -9,6 +9,7 @@ The recommended environment for executing this benchmark is as follows: the benc
* Bash
* Java 8
* Docker 19+
+* the `psycopg2` Python library: `pip3 install --user --progress-bar off psycopg2-binary`
* enough free space in the directory `$POSTGRES_DATABASE_DIR` (its default value is specified in `scripts/vars.sh`)
The default configuration of the database (e.g. database name, user, password) is set in the `scripts/vars.sh` file.
