The number of subscriptions in this quantum is greater than the throttle specified for subscriptions.

Details
Product: SQL Server Notification Services
Event ID: 4121
Source: NotificationServices
Version: 2.0.9999.9
Message: The number of subscriptions in this quantum is greater than the throttle specified for subscriptions.
   
Explanation
This error occurs when the number of scheduled subscriptions processed in the current quantum is greater than the throttle specified for subscriptions. In the <applicationexecutionsettings> element of the ADF, the throttle for scheduled subscriptions can be specified. If the number of scheduled subscriptions in a subscription class processed during a quantum is greater than the throttle specified, the rules are not run.

The event log entry contains the current value of the throttle and the subscription class for which this value was exceeded. </applicationexecutionsettings>

   
User Action
The current value of the throttle and the subscription class for which this value was exceeded can be obtained from the event log entry.

Check whether the number of subscriptions processed in the current quantum is abnormal. This might happen if the schedule times for the subscriptions were specified incorrectly. If this is the case, correct the schedule time for the subscriptions.

If the number is normal, increase the SubscriptionThrottle value in the <applicationexecutionsettings> element of the ADF. If you did not specify one earlier, the default value of 1000 was used.</applicationexecutionsettings>

Related:

Leave a Reply