indexing: precompute row counts

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

diff --git a/docs/admin/Import.md b/docs/admin/Import.md
index 884dd44d5ee8042493999007f18cc7ee04d5743c..5a365b236b5897adcae2e6423369b5b2426174db 100644 (file)
--- a/docs/admin/Import.md
+++ b/docs/admin/Import.md
@@ -14,15 +14,15 @@ to a single Nominatim setup: configuration, extra data, etc. Create a project
 directory apart from the Nominatim software and change into the directory:
 
 ```
-mkdir ~/nominatim-planet
-cd ~/nominatim-planet
+mkdir ~/nominatim-project
+cd ~/nominatim-project
 ```
 
 In the following, we refer to the project directory as `$PROJECT_DIR`. To be
 able to copy&paste instructions, you can export the appropriate variable:
 
 ```
-export PROJECT_DIR=~/nominatim-planet
+export PROJECT_DIR=~/nominatim-project
 ```
 
 The Nominatim tool assumes per default that the current working directory is
@@ -74,15 +74,18 @@ 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://nominatim.org/data/wikimedia-importance.sql.gz
+    wget https://nominatim.org/data/wikimedia-importance.csv.gz
+    wget -O secondary_importance.sql.gz https://nominatim.org/data/wikimedia-secondary-importance.sql.gz
 
-The file is about 400MB and adds around 4GB to the Nominatim database.
+The files are about 400MB and add around 4GB to the Nominatim database. For
+more information about importance,
+see [Importance Customization](../customize/Importance.md).
 
 !!! tip
     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.
+    run `nominatim refresh --wiki-data --secondary-importance --importance`.
+    Updating importances for a planet will take a couple of hours.
 
 ### External postcodes
 
@@ -153,7 +156,7 @@ if you plan to use the installation only for exports to a
 [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
 
@@ -299,6 +302,9 @@ To run Nominatim via webservers like Apache or nginx, please continue reading
 
 #### Testing the PHP frontend
 
+!!! danger
+    The PHP fronted is deprecated and will be removed in Nominatim 5.0.
+
 You can run a small test server with the PHP frontend like this:
 
 ```sh