Single ZCM on Win2003 server at latest released update. I've noticed that ZenLoader seems to slowly (or sometimes not so slowly) creep up in memory usage. Any ideas?

Here's a chunk of the log for the past few hours:

[DEBUG] [11/21/08 12:00:03 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveDeviceSet list is: 0] [The size of notEffectiveDeviceSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:03 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveUseSet list is: 0] [The size of notEffectiveUseSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:03 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveDeviceSet list is: 0] [The size of notEffectiveDeviceSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:03 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveUseSet list is: 0] [The size of notEffectiveUseSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:03 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveDeviceSet list is: 0] [The size of notEffectiveDeviceSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:04 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveUseSet list is: 0] [The size of notEffectiveUseSet list is: 0] [] []
[DEBUG] [11/21/08 12:00:04 AM] [] [Loader.AssignmentTargetCalculator] [The size of notEffectiveDeviceSet list is: 0] [The size of notEffectiveDeviceSet list is: 0] [] []
[DEBUG] [11/21/08 12:15:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158654, Type: system.update.updatestats] [No Handler registered for action ID: 158654, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 12:30:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158657, Type: system.update.updatestats] [No Handler registered for action ID: 158657, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 12:45:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158658, Type: system.update.updatestats] [No Handler registered for action ID: 158658, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 1:00:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158659, Type: system.update.updatestats] [No Handler registered for action ID: 158659, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 1:15:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158660, Type: system.update.updatestats] [No Handler registered for action ID: 158660, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 1:23:23 AM] [] [Loader.Status Storer Module] [Processing Status_4ef25beae846344191473ea6111cc4ee_1227248575 951.xml] [Processing Status_4ef25beae846344191473ea6111cc4ee_1227248575 951.xml] [] []
[DEBUG] [11/21/08 1:30:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158661, Type: system.update.updatestats] [No Handler registered for action ID: 158661, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 1:37:23 AM] [] [Loader.Status Storer Module] [Processing Status_b5c0bfe9a3b15052ee06ba8d236bf93e_1227249434 226.xml] [Processing Status_b5c0bfe9a3b15052ee06ba8d236bf93e_1227249434 226.xml] [] []
[DEBUG] [11/21/08 1:45:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158662, Type: system.update.updatestats] [No Handler registered for action ID: 158662, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 2:00:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158663, Type: system.update.updatestats] [No Handler registered for action ID: 158663, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 2:15:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158664, Type: system.update.updatestats] [No Handler registered for action ID: 158664, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 2:30:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158665, Type: system.update.updatestats] [No Handler registered for action ID: 158665, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 2:45:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158666, Type: system.update.updatestats] [No Handler registered for action ID: 158666, Type: system.update.updatestats] [] []
[DEBUG] [11/21/08 3:00:02 AM] [] [Loader.QueueRunner] [No Handler registered for action ID: 158667, Type: system.update.updatestats] [No Handler registered for action ID: 158667, Type: system.update.updatestats]