run final index creation in parallel

[nominatim.git] / nominatim / tools / database_import.py

diff --git a/nominatim/tools/database_import.py b/nominatim/tools/database_import.py
index 447e90f1d5c7d547ced545a1fcad6a4958ceb317..f6ebe90d0983588ccc101988f5085d6692f405a0 100644 (file)
--- a/nominatim/tools/database_import.py
+++ b/nominatim/tools/database_import.py
@@ -225,7 +225,8 @@ def load_data(dsn: str, threads: int) -> None:
             cur.execute('ANALYSE')
 
 
-def create_search_indices(conn: Connection, config: Configuration, drop: bool = False) -> None:
+def create_search_indices(conn: Connection, config: Configuration,
+                          drop: bool = False, threads: int = 1) -> None:
     """ Create tables that have explicit partitioning.
     """
 
@@ -243,4 +244,5 @@ def create_search_indices(conn: Connection, config: Configuration, drop: bool =
 
     sql = SQLPreprocessor(conn, config)
 
-    sql.run_sql_file(conn, 'indices.sql', drop=drop)
+    sql.run_parallel_sql_file(config.get_libpq_dsn(),
+                              'indices.sql', min(8, threads), drop=drop)