Disclosed is a method, system, and program for transaction management. An indication is received that a transaction is beginning. An operation identifier for the transaction is generated. Actions are logged for the transaction identified by the operation identifier, wherein the actions include requests, corresponding reverse requests, and locks granted.
Also disclosed is a method, system, and program for locking management. A command is received that specifies an operation identifier. It is determined whether the command is associated with a transaction using the operation identifier. If it is determined that the command is associated with a transaction, operating at a transaction level of locking.
Further disclosed is a method, system, and program for lock management. Under control of a lock manager, (i) lock request queuing is performed, (ii) heartbeat functions are performed, and (iii) state information is maintained.