[photon](https://photon.komoot.io/) database, then you can set up a database
without search indexes. Add `--reverse-only` to your setup command above.
-This saves about 5% of disk space.
+This saves about 5% of disk space, import time won't be significant faster.
### Filtering Imported Data
in terms of RAM usage. osm2pgsql and PostgreSQL are running in parallel at
this point. PostgreSQL blocks at least the part of RAM that has been configured
with the `shared_buffers` parameter during
-[PostgreSQL tuning](Installation.md#postgresql-tuning)
+[PostgreSQL tuning](Installation.md#tuning-the-postgresql-database)
and needs some memory on top of that. osm2pgsql needs at least 2GB of RAM for
its internal data structures, potentially more when it has to process very large
relations. In addition it needs to maintain a cache for node locations. The size
```
If you want to run Nominatim as a service, you need to make a choice between
-running the traditional PHP frontend or the new experimental Python frontend.
+running the modern Python frontend and the legacy PHP frontend.
Make sure you have installed the right packages as per
[Installation](Installation.md#software).
-#### Testing the PHP frontend
+#### Testing the Python frontend
-You can run a small test server with the PHP frontend like this:
+To run the test server against the Python frontend, you must choose a
+web framework to use, either starlette or falcon. Make sure the appropriate
+packages are installed. Then run
-```sh
+``` sh
nominatim serve
```
+or, if you prefer to use Starlette instead of Falcon as webserver,
+
+``` sh
+nominatim serve --engine starlette
+```
+
Go to `http://localhost:8088/status.php` and you should see the message `OK`.
You can also run a search query, e.g. `http://localhost:8088/search.php?q=Berlin`
or, for reverse-only installations a reverse query,
Do not use this test server in production.
To run Nominatim via webservers like Apache or nginx, please continue reading
-[Deploy the PHP frontend](Deployment-PHP.md).
-
-#### Testing the Python frontend
-
-To run the test server against the Python frontend, you must choose a
-web framework to use, either starlette or falcon. Make sure the appropriate
-packages are installed. Then run
+[Deploy the Python frontend](Deployment-Python.md).
-``` sh
-nominatim serve --engine falcon
-```
+#### Testing the PHP frontend
-or
+You can run a small test server with the PHP frontend like this:
-``` sh
-nominatim serve --engine starlette
+```sh
+nominatim serve --engine php
```
Go to `http://localhost:8088/status.php` and you should see the message `OK`.
Do not use this test server in production.
To run Nominatim via webservers like Apache or nginx, please continue reading
-[Deploy the Python frontend](Deployment-Python.md).
+[Deploy the PHP frontend](Deployment-PHP.md).
+
## Enabling search by category phrases