[Building Sakai] Turn off Event Tracking for a Thread?

[Bryan Holladay]

Is it possible to turn off all event tracking for a thread?  For
example, the Delegated Access shopping job calls
authzGroupService.save(group) several times and spends a lot of time
processing realm.upd events which are useless.

...
168855	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
168856	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
168857	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
168858	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
168859	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
168860	9/19/2012 10:56:48
AM	realm.upd	/realm//site/DA-BUSINESS-DEPT2-SUBJ3-226	(null)	~localhost~?	m
...

Thanks,
Bryan