Throttling state

Use the following steps to access the performance counters.

On the Desktop, click Start, point to Programs, point to Administrative Tools, and then click Performance.

In the Performance dialog box, click Add.

In the Add Counters dialog box, from the Performance object drop-down list, select from the available BizTalk:Message Agent performance counters, and then click Add.

In the Add Counters dialog box, do one of the following:

After selecting the counters, click Add and then click Close.

For each Host instance,the throttlings state are shown with « Message delivery throttling state » and « Message publishing throttling state »

When there is no throttling, their values are 0. But when they got throttlhing state, their value could be 1 to 11

Here is their definition :

Message delivery throttling state A flag indicating whether the system is throttling message delivery (affecting XLANG message processing and outbound transports).

  • 0: Not throttling
  • 1: Throttling due to imbalanced message delivery rate (input rate exceeds output rate)
  • 3: Throttling due to high in-process message count
  • 4: Throttling due to process memory pressure
  • 5: Throttling due to system memory pressure
  • 9: Throttling due to high thread count
  • 10: Throttling due to user override on delivery
Message publishing throttling state A flag indicating whether the system is throttling message publishing (affecting XLANG message processing and inbound transports).

  • 0: Not throttling
  • 2: Throttling due to imbalanced message publishing rate (input rate exceeds output rate)
  • 4: Throttling due to process memory pressure
  • 5: Throttling due to system memory pressure
  • 6: Throttling due to database growth
  • 8: Throttling due to high session count
  • 9: Throttling due to high thread count
  • 11: Throttling due to user override on publishing

For fixing throttling, start by readung this link http://msdn.microsoft.com/en-us/library/aa559893(BTS.10).aspx

Then I wish you luck

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