CICS Transaction Manager: performance and tuning

The CICS® Transaction Manager domain provides transaction-related services.

The services provided by the domain are used to:
  • Create tasks
  • Terminate tasks
  • Purge tasks
  • Inquire on tasks
  • Manage transaction definitions
  • Manage tranclass definitions
The transaction manager domain also provides a transaction environment to enable other CICS components to implement transaction-related services.
For more information about transactions, see Transaction statistics.