X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/fc19ebb2188a6e73faad07286518d83c041c9207..f535340d5af0b59c1bbdfde885b62dd483a9e38e:/docs/admin/Installation.md?ds=inline diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md index 1989a9c0..e67371bd 100644 --- a/docs/admin/Installation.md +++ b/docs/admin/Installation.md @@ -4,10 +4,8 @@ This page contains generic installation instructions for Nominatim and its prerequisites. There are also step-by-step instructions available for the following operating systems: - * [Ubuntu 20.04](../appendix/Install-on-Ubuntu-20.md) - * [Ubuntu 18.04](../appendix/Install-on-Ubuntu-18.md) - * [CentOS 8](../appendix/Install-on-Centos-8.md) - * [CentOS 7.2](../appendix/Install-on-Centos-7.md) + * [Ubuntu 24.04](Install-on-Ubuntu-24.md) + * [Ubuntu 22.04](Install-on-Ubuntu-22.md) These OS-specific instructions can also be found in executable form in the `vagrant/` directory. @@ -17,64 +15,87 @@ and can't offer support. * [Docker](https://github.com/mediagis/nominatim-docker) * [Docker on Kubernetes](https://github.com/peter-evans/nominatim-k8s) + * [Kubernetes with Helm](https://github.com/robjuz/helm-charts/blob/master/charts/nominatim/README.md) * [Ansible](https://github.com/synthesio/infra-ansible-nominatim) ## Prerequisites ### Software -For compiling: +!!! Warning + For larger installations you **must have** PostgreSQL 11+ and PostGIS 3+ + otherwise import and queries will be slow to the point of being unusable. + Query performance has marked improvements with PostgreSQL 13+ and PostGIS 3.2+. + +For running Nominatim: + + * [PostgreSQL](https://www.postgresql.org) (9.6+ will work, 11+ strongly recommended) + * [PostGIS](https://postgis.net) (2.2+ will work, 3.0+ strongly recommended) + * [osm2pgsql](https://osm2pgsql.org) (1.8+, optional when building with CMake) + * [Python 3](https://www.python.org/) (3.7+) + +Furthermore the following Python libraries are required: + + * [Psycopg3](https://www.psycopg.org) + * [Python Dotenv](https://github.com/theskumar/python-dotenv) + * [psutil](https://github.com/giampaolo/psutil) + * [Jinja2](https://palletsprojects.com/p/jinja/) + * [PyICU](https://pypi.org/project/PyICU/) + * [PyYaml](https://pyyaml.org/) (5.1+) + * [datrie](https://github.com/pytries/datrie) + +These will be installed automatically when using pip installation. + +When using legacy CMake-based installation: * [cmake](https://cmake.org/) * [expat](https://libexpat.github.io/) * [proj](https://proj.org/) * [bzip2](http://www.bzip.org/) * [zlib](https://www.zlib.net/) - * [Boost libraries](https://www.boost.org/), including system and filesystem + * [ICU](http://site.icu-project.org/) + * [nlohmann/json](https://json.nlohmann.me/) + * [Boost libraries](https://www.boost.org/), including system and file system * PostgreSQL client libraries * a recent C++ compiler (gcc 5+ or Clang 3.8+) -For running Nominatim: +For running continuous updates: - * [PostgreSQL](https://www.postgresql.org) (9.3 - 11) - * [PostGIS](https://postgis.org) (2.2 - 2.5) - * [Python 3](https://www.python.org/) - * [Psycopg2](https://initd.org/psycopg) - * [PHP](https://php.net) (7.0 or later) - * PHP-pgsql - * PHP-intl (bundled with PHP) - * a webserver (apache or nginx are recommended) + * [pyosmium](https://osmcode.org/pyosmium/) -!!! danger "Important" - Postgresql 12+ and Postgis 3.0+ are known to cause performance issues. They are - not recommended for a production installation at the moment. +For running the Python frontend: -For running continuous updates: + * [SQLAlchemy](https://www.sqlalchemy.org/) (1.4.31+ with greenlet support) + * [asyncpg](https://magicstack.github.io/asyncpg) (0.8+, only when using SQLAlchemy < 2.0) + * one of the following web frameworks: + * [falcon](https://falconframework.org/) (3.0+) + * [starlette](https://www.starlette.io/) + * [uvicorn](https://www.uvicorn.org/) + +For running the legacy PHP frontend (deprecated, will be removed in Nominatim 5.0): - * [pyosmium](https://osmcode.org/pyosmium/) (with Python 3) + * [PHP](https://php.net) (7.3+) + * PHP-pgsql + * PHP-intl (bundled with PHP) -For running tests: - * [behave](http://pythonhosted.org/behave/) - * [nose](https://nose.readthedocs.io) - * [phpunit](https://phpunit.de) >= 7.3 +For dependencies for running tests and building documentation, see +the [Development section](../develop/Development-Environment.md). ### Hardware A minimum of 2GB of RAM is required or installation will fail. For a full -planet import 64GB of RAM or more are strongly recommended. Do not report +planet import 128GB of RAM or more are strongly recommended. Do not report out of memory problems if you have less than 64GB RAM. -For a full planet install you will need at least 800GB of hard disk space -(take into account that the OSM database is growing fast). SSD disks -will help considerably to speed up import and queries. +For a full planet install you will need at least 1TB of hard disk space. +Take into account that the OSM database is growing fast. +Fast disks are essential. Using NVME disks is recommended. Even on a well configured machine the import of a full planet takes -at least 2 days. Without SSDs 7-8 days are more realistic. +around 2.5 days. When using traditional SSDs, 4-5 days are more realistic. -## Setup of the server - -### PostgreSQL tuning +## Tuning the PostgreSQL database You might want to tune your PostgreSQL installation so that the later steps make best use of your hardware. You should tune the following parameters in @@ -84,15 +105,16 @@ your `postgresql.conf` file. maintenance_work_mem = (10GB) autovacuum_work_mem = 2GB work_mem = (50MB) - effective_cache_size = (24GB) synchronous_commit = off - checkpoint_segments = 100 # only for postgresql <= 9.4 - max_wal_size = 1GB # postgresql > 9.4 - checkpoint_timeout = 10min + max_wal_size = 1GB + checkpoint_timeout = 60min checkpoint_completion_target = 0.9 + random_page_cost = 1.0 + wal_level = minimal + max_wal_senders = 0 The numbers in brackets behind some parameters seem to work fine for -64GB RAM machine. Adjust to your setup. A higher number for `max_wal_size` +128GB RAM machine. Adjust to your setup. A higher number for `max_wal_size` means that PostgreSQL needs to run checkpoints less often but it does require the additional space on your disk. @@ -105,74 +127,83 @@ you might consider setting: and even reduce `autovacuum_work_mem` further. This will reduce the amount of memory that autovacuum takes away from the import process. -For the initial import, you should also set: +## Downloading and building Nominatim + +### Downloading the latest release + +You can download the [latest release from nominatim.org](https://nominatim.org/downloads/). +The release contains all necessary files. Just unpack it. + +### Downloading the latest development version + +If you want to install latest development version from github, make sure to +also check out the osm2pgsql subproject: - fsync = off - full_page_writes = off +``` +git clone --recursive https://github.com/openstreetmap/Nominatim.git +``` -Don't forget to reenable them after the initial import or you risk database -corruption. +The development version does not include the country grid. Download it separately: +``` +wget -O Nominatim/data/country_osm_grid.sql.gz https://nominatim.org/data/country_grid.sql.gz +``` -### Webserver setup +### Building Nominatim -The `website/` directory in the build directory contains the configured -website. Include the directory into your webbrowser to serve php files -from there. +#### Building the latest development version with pip -#### Configure for use with Apache +Nominatim is easiest to run from its own virtual environment. To create one, run: -Make sure your Apache configuration contains the required permissions for the -directory and create an alias: + sudo apt-get install virtualenv + virtualenv /srv/nominatim-venv - - Options FollowSymLinks MultiViews - AddType text/html .php - DirectoryIndex search.php - Require all granted - - Alias /nominatim /srv/nominatim/build/website +To install Nominatim directly from the source tree into the virtual environment, run: -`/srv/nominatim/build` should be replaced with the location of your -build directory. + /srv/nominatim-venv/bin/pip install packaging/nominatim-{db,api} -After making changes in the apache config you need to restart apache. -The website should now be available on http://localhost/nominatim. +#### Building in legacy CMake mode -#### Configure for use with Nginx +!!! warning + Installing Nominatim through CMake is now deprecated. The infrastructure + will be removed in Nominatim 5.0. Please switch to pip installation. -Use php-fpm as a deamon for serving PHP cgi. Install php-fpm together with nginx. +The code must be built in a separate directory. Create the directory and +change into it. -By default php listens on a network socket. If you want it to listen to a -Unix socket instead, change the pool configuration (`pool.d/www.conf`) as -follows: +``` +mkdir build +cd build +``` - ; Comment out the tcp listener and add the unix socket - ;listen = 127.0.0.1:9000 - listen = /var/run/php5-fpm.sock +Nominatim uses cmake and make for building. Assuming that you have created the +build at the same level as the Nominatim source directory run: - ; Ensure that the daemon runs as the correct user - listen.owner = www-data - listen.group = www-data - listen.mode = 0666 +``` +cmake ../Nominatim +make +sudo make install +``` -Tell nginx that php files are special and to fastcgi_pass to the php-fpm -unix socket by adding the location definition to the default configuration. +!!! warning + The default installation no longer compiles the PostgreSQL module that + is needed for the legacy tokenizer from older Nominatim versions. If you + are upgrading an older database or want to run the + [legacy tokenizer](../customize/Tokenizers.md#legacy-tokenizer) for + some other reason, you need to enable the PostgreSQL module via + cmake: `cmake -DBUILD_MODULE=on ../Nominatim`. To compile the module + you need to have the server development headers for PostgreSQL installed. + On Ubuntu/Debian run: `sudo apt install postgresql-server-dev-` + The legacy tokenizer is deprecated and will be removed in Nominatim 5.0 - root /srv/nominatim/build/website; - index search.php index.html; - location ~ [^/]\.php(/|$) { - fastcgi_split_path_info ^(.+?\.php)(/.*)$; - if (!-f $document_root$fastcgi_script_name) { - return 404; - } - fastcgi_pass unix:/var/run/php5-fpm.sock; - fastcgi_index search.php; - include fastcgi.conf; - } -Restart the nginx and php5-fpm services and the website should now be available -at `http://localhost/`. +Nominatim installs itself into `/usr/local` per default. To choose a different +installation directory add `-DCMAKE_INSTALL_PREFIX=` to the +cmake command. Make sure that the `bin` directory is available in your path +in that case, e.g. +``` +export PATH=/bin:$PATH +``` -Now continue with [importing the database](Import-and-Update.md). +Now continue with [importing the database](Import.md).