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run final index creation in parallel

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This commit is contained in:
Sarah Hoffmann
2022-09-14 15:37:39 +02:00
parent bef1aebf1c
commit ed3dd81d04
3 changed files with 25 additions and 18 deletions
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6
nominatim/tools/database_import.py
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@@ -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)