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Long-running transaction

Computer database transaction pattern

Computer database transaction pattern

Long-running transactions (also known as the saga interaction pattern) are computer database transactions that avoid locks on non-local resources, use compensation to handle failures, potentially aggregate smaller ACID transactions (also referred to as atomic transactions), and typically use a coordinator to complete or abort the transaction. In contrast to rollback in ACID transactions, compensation restores the original state, or an equivalent, and is business-specific. For example, the compensating action for making a hotel reservation is canceling that reservation.

A number of protocols have been specified for long-running transactions using Web services within business processes. OASIS Business Transaction Processing and WS-CAF are examples. These protocols use a coordinator to mediate the successful completion or use of compensation in a long-running transaction.

References

References

  1. (7 January 1987). "SAGAS". Department of Computer Science Princeton University.
  2. Rotem-Gal-Oz, Arnon. (September 24, 2012). "SOA Patterns". Manning Publications.
  3. "OASIS Business Transactions TC | OASIS".
  4. "OASIS Web Services Composite Application Framework (WS-CAF) TC | OASIS".
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