[FIX] auditlog: Allow passing a chunk size for autovacuum

auditlog/models/autovacuum.py

@@ -14,7 +14,7 @@ class AuditlogAutovacuum(models.TransientModel):
     _description = "Auditlog - Delete old logs"
 
     @api.model
-    def autovacuum(self, days):
+    def autovacuum(self, days, chunk_size=None):
         """Delete all logs older than ``days``. This includes:
             - CRUD logs (create, read, write, unlink)
             - HTTP requests
@@ -31,9 +31,11 @@ def autovacuum(self, days):
         )
         for data_model in data_models:
             records = self.env[data_model].search(
-                [('create_date', '<=', fields.Datetime.to_string(deadline))])
+                [('create_date', '<=', fields.Datetime.to_string(deadline))],
+                limit=chunk_size, order='create_date asc')
             nb_records = len(records)
-            records.unlink()
+            with self.env.norecompute():
+                records.unlink()
             _logger.info(
                 "AUTOVACUUM - %s '%s' records deleted",
                 nb_records, data_model)

auditlog/readme/CONFIGURE.rst

@@ -16,3 +16,7 @@ To activate it and/or change the delay, go to the
 `Auto-vacuum audit logs` entry:
 
 .. image:: ../static/description/autovacuum.png
+
+In case you're having trouble with the amount of records to delete per run,
+you can pass the amount of records to delete for one model per run as the second
+parameter, the default is to delete all records in one go.