X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/6be2077d922098d65f069557dea55542c15a5c98..0806e5dff439ef5bdb91a378abb0fd61983d6a24:/docs/admin/Installation.md?ds=sidebyside diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md index 00c7ca29..89e56c6e 100644 --- a/docs/admin/Installation.md +++ b/docs/admin/Installation.md @@ -4,9 +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 22.04](../appendix/Install-on-Ubuntu-22.md) * [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) These OS-specific instructions can also be found in executable form in the `vagrant/` directory. @@ -24,8 +23,9 @@ and can't offer support. ### Software !!! Warning - For larger installations you **must have** PostgreSQL 11+ and Postgis 3+ + 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 compiling: @@ -35,6 +35,7 @@ For compiling: * [bzip2](http://www.bzip.org/) * [zlib](https://www.zlib.net/) * [ICU](http://site.icu-project.org/) + * [nlohmann/json](https://json.nlohmann.me/) * [Boost libraries](https://www.boost.org/), including system and filesystem * PostgreSQL client libraries * a recent C++ compiler (gcc 5+ or Clang 3.8+) @@ -43,38 +44,49 @@ 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) - * [Python 3](https://www.python.org/) (3.6+) + * [Python 3](https://www.python.org/) (3.7+) * [Psycopg2](https://www.psycopg.org) (2.7+) * [Python Dotenv](https://github.com/theskumar/python-dotenv) * [psutil](https://github.com/giampaolo/psutil) * [Jinja2](https://palletsprojects.com/p/jinja/) + * [SQLAlchemy](https://www.sqlalchemy.org/) (1.4.31+ with greenlet support) + * [asyncpg](https://magicstack.github.io/asyncpg) (0.8+) * [PyICU](https://pypi.org/project/PyICU/) * [PyYaml](https://pyyaml.org/) (5.1+) * [datrie](https://github.com/pytries/datrie) - * [PHP](https://php.net) (7.0 or later) + +When running the PHP frontend: + + * [PHP](https://php.net) (7.3+) * PHP-pgsql * PHP-intl (bundled with PHP) - * PHP-cgi (for running queries from the command line) For running continuous updates: * [pyosmium](https://osmcode.org/pyosmium/) +For running the experimental Python frontend: + + * one of the following web frameworks: + * [falcon](https://falconframework.org/) (3.0+) + * [starlette](https://www.starlette.io/) + * [uvicorn](https://www.uvicorn.org/) + 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 900GB of hard disk space. +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 -around 2 days. On traditional spinning disks, 7-8 days are more realistic. +around 2 days. When using traditional SSDs, 4-5 days are more realistic. ## Tuning the PostgreSQL database @@ -88,8 +100,7 @@ your `postgresql.conf` file. 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 + max_wal_size = 1GB checkpoint_timeout = 10min checkpoint_completion_target = 0.9 @@ -107,15 +118,6 @@ 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: - - fsync = off - full_page_writes = off - -Don't forget to reenable them after the initial import or you risk database -corruption. - - ## Downloading and building Nominatim ### Downloading the latest release @@ -135,7 +137,7 @@ git clone --recursive https://github.com/openstreetmap/Nominatim.git The development version does not include the country grid. Download it separately: ``` -wget -O Nominatim/data/country_osm_grid.sql.gz https://www.nominatim.org/data/country_grid.sql.gz +wget -O Nominatim/data/country_osm_grid.sql.gz https://nominatim.org/data/country_grid.sql.gz ``` ### Building Nominatim @@ -157,6 +159,17 @@ make sudo make install ``` +!!! 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-` + + 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