Default quota rules
Various transaction quota rules are available in the base system.
- Fix Script Processor
- Allows the fix script processor to run for four hours.
- Presence
- Cancels presence requests quickly when the system is busy.
- REST Import Set API request timeout
- Prevents inbound REST Import Set API transactions from running for longer than 60 seconds.
- REST Table API request timeout
- Prevents inbound REST Table API transactions from running for longer than 60 seconds.
- AMB Transactions
- Cancels AMB transactions lasting longer than the specified maximum duration. Applies to all AMB transaction types: message send and message receive.
- Reference Completer
- Stops the reference completer transaction after five seconds.
- REST Aggregate API request timeout
- Prevents inbound REST Aggregate API transactions from running for longer than 60 seconds.
- Homepage Widgets
- Prevents all homepage widgets from running longer than 30 seconds.
- REST Attachment API request timeout
- Prevents inbound REST Import Set API transactions from running for longer than 60 seconds.
- UA Count Persistor Quota
- Prevents UA count persistor scheduled jobs from running for more than one hour.
- UI Transactions
- Cancels UI transactions that are two seconds away from the 5-minute server disconnect. ServiceNow datacenter load balancers display an internal server error (HTTP Error 500) to users after five minutes. This quota rule returns a transaction canceled page instead of an error. This rule includes an exception to prevent the cancellation of background scripts.
- PA Diagnostics All
- Prevents any Diagnostics transaction that originates outside the scope of the Diagnostics application from running longer than 30 minutes. Diagnostics transactions refer to executing a diagnostic, opening a Diagnostics form, or opening a Diagnostics list.
Normal transaction activities
Before setting transaction quotas, navigate to to review tthe normal transaction activities for your instance. You can view and terminate long-running transactions if necessary. Over time, you can determine the normal transaction load for your instance and set your quotas to match these norms.