Merge remote-tracking branch 'upstream/master'

[nominatim.git] / docs / admin / Import.md

diff --git a/docs/admin/Import.md b/docs/admin/Import.md
index 425812a7c12261488b64b4bb7980c5ca86d73eea..d84a2376097605765ee3579732b39077acb7bda9 100644 (file)
--- a/docs/admin/Import.md
+++ b/docs/admin/Import.md
@@ -47,8 +47,9 @@ You can also set the same configuration via environment variables. All
 settings have a `NOMINATIM_` prefix to avoid conflicts with other environment
 variables.
 
-There are lots of configuration settings you can tweak. Have a look
-at `Nominatim/settings/env.default` for a full list. Most should have a sensible default.
+There are lots of configuration settings you can tweak. A full reference
+can be found in the chapter [Configuration Settings](../customize/Settings.md).
+Most should have a sensible default.
 
 #### Flatnode files
 
@@ -73,15 +74,15 @@ but it will improve the quality of the results if this is installed.
 This data is available as a binary download. Put it into your project directory:
 
     cd $PROJECT_DIR
-    wget https://www.nominatim.org/data/wikimedia-importance.sql.gz
+    wget https://nominatim.org/data/wikimedia-importance.sql.gz
 
 The file is about 400MB and adds around 4GB to the Nominatim database.
 
 !!! tip
-    If you forgot to download the wikipedia rankings, you can also add
-    importances after the import. Download the files, then run
-    `nominatim refresh --wiki-data --importance`. Updating importances for
-    a planet can take a couple of hours.
+    If you forgot to download the wikipedia rankings, then you can
+    also add importances after the import. Download the SQL files, then
+    run `nominatim refresh --wiki-data --importance`. Updating
+    importances for a planet will take a couple of hours.
 
 ### External postcodes
 
@@ -91,11 +92,11 @@ and the UK (using the [CodePoint OpenData set](https://osdatahub.os.uk/downloads
 This data can be optionally downloaded into the project directory:
 
     cd $PROJECT_DIR
-    wget https://www.nominatim.org/data/gb_postcodes.csv.gz
-    wget https://www.nominatim.org/data/us_postcodes.csv.gz
+    wget https://nominatim.org/data/gb_postcodes.csv.gz
+    wget https://nominatim.org/data/us_postcodes.csv.gz
 
 You can also add your own custom postcode sources, see
-[Customization of postcodes](Customization.md#external-postcode-data).
+[Customization of postcodes](../customize/Postcodes.md).
 
 ## Choosing the data to import
 
@@ -138,7 +139,7 @@ import. So this option is particularly interesting if you plan to transfer the
 database or reuse the space later.
 
 !!! warning
-    The datastructure for updates are also required when adding additional data
+    The data structure for updates are also required when adding additional data
     after the import, for example [TIGER housenumber data](../customize/Tiger.md).
     If you plan to use those, you must not use the `--no-updates` parameter.
     Do a normal import, add the external data and once you are done with
@@ -149,7 +150,7 @@ database or reuse the space later.
 
 If you only want to use the Nominatim database for reverse lookups or
 if you plan to use the installation only for exports to a
-[photon](https://photon.komoot.de/) database, then you can set up a database
+[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.
@@ -270,20 +271,7 @@ reverse query, e.g. `http://localhost:8088/reverse.php?lat=27.1750090510034&lon=
 To run Nominatim via webservers like Apache or nginx, please read the
 [Deployment chapter](Deployment.md).
 
-## Tuning the database
-
-Accurate word frequency information for search terms helps PostgreSQL's query
-planner to make the right decisions. Recomputing them can improve the performance
-of forward geocoding in particular under high load. To recompute word counts run:
-
-```sh
-nominatim refresh --word-counts
-```
-
-This will take a couple of hours for a full planet installation. You can
-also defer that step to a later point in time when you realise that
-performance becomes an issue. Just make sure that updates are stopped before
-running this function.
+## Adding search through category phrases
 
 If you want to be able to search for places by their type through
 [special phrases](https://wiki.openstreetmap.org/wiki/Nominatim/Special_Phrases)