Vacuum SQLite database at startup.

CHANGELOG.md

@@ -3,6 +3,11 @@
 This file logs the changes that are actually interesting to users (new features,
 changed functionality, fixed bugs).
 
+## Version 2.0.5 (in development)
+
+- Vacuum SQLite database at startup.
+
+
 ## Version 2.0.4 (released 201-05-09)
 
 - Fixed bug in writing ~/.flamenco-worker.cfg

flamenco_worker/upstream_update_queue.py

@@ -38,6 +38,9 @@ class TaskUpdateQueue:
         # We don't need to create a primary key; we use the implicit 'rowid' column.
         self._db.execute('CREATE TABLE IF NOT EXISTS fworker_queue(url TEXT, payload BLOB)')
 
+        # Start with a more-or-less compact database.
+        self._db.execute('VACUUM')
+
     def _disconnect_db(self):
         self._log.info('Disconnecting from database %s', self.db_fname)
         self._db.close()