slapos/collect: Call VACUUM to clean up the sql database size.

slapos/collect/db.py

@@ -287,6 +287,7 @@ class Database:
       if table not in self.preserve_table_list: 
         self._execute(delete_sql % (table, where_clause))
 
+    self._execute("VACUUM;")
     self.commit()
     self.close()
 

[Jérome Perrin]

We are using python3.5 so it's not a problem yet, but on python3.6 this causes sqlite3.OperationalError: cannot VACUUM from within a transaction

I added a fix to the "list of python 3.6 compatibility fixes" in !146 (closed)

[Rafael Monnerat]

thx.