drop support for PHP < 5.4

[nominatim.git] / docs / Import_and_update.md

diff --git a/docs/Import_and_update.md b/docs/Import_and_update.md
index 2f40312aa0b8e56e2cb1d2d0040f7aead55299af..15aec256b9073715e3c933f3b7173c3b308ad5b0 100644 (file)
--- a/docs/Import_and_update.md
+++ b/docs/Import_and_update.md
@@ -19,6 +19,8 @@ Add to your settings/local.php:
 
     @define('CONST_Osm2pgsql_Flatnode_File', '/path/to/flatnode.file');
 
+Replace the second part with a suitable path on your system and make sure
+the directory exists. There should be at least 35GB of free space.
 
 Downloading additional data
 ---------------------------
@@ -65,10 +67,8 @@ avoid swapping, never give more than 2/3 of RAM to osm2pgsql.
 Loading additional datasets
 ---------------------------
 
-The following commands will create additional entries for countries and POI searches:
+The following commands will create additional entries for POI searches:
 
-    ./utils/specialphrases.php --countries > specialphrases_countries.sql
-    psql -d nominatim -f specialphrases_countries.sql
     ./utils/specialphrases.php --wiki-import > specialphrases.sql
     psql -d nominatim -f specialphrases.sql
 
@@ -102,8 +102,16 @@ instance by following these steps:
 
          ./utils/setup.php --import-tiger-data
 
+  5. Enable use of the Tiger data in your `settings/local.php` by adding:
+
+         @define('CONST_Use_US_Tiger_Data', true);
+
+  6. Apply the new settings:
+
+        ./utils/setup.php --create-functions --enable-diff-updates --create-partition-functions
+
 Be warned that the import can take a very long time, especially if you
-import all of the US.
+import all of the US. The entire US adds about 10GB to your database.
 
 
 Updates
@@ -170,5 +178,5 @@ The following command will keep your database constantly up to date:
 
 If you have imported multiple country extracts and want to keep them
 up-to-date, have a look at the script in
-(issue #60)[https://github.com/twain47/Nominatim/issues/60].
+[issue #60](https://github.com/twain47/Nominatim/issues/60).