Patent ID: 8312228

Claim:
An article of manufacture including a non-transitory computer readable storage medium to store instructions, which when executed by a computer, cause the computer to: write a plurality of data units associated with a plurality of work processes of an application server into a plurality of memory areas of a shared memory, wherein each work process of the plurality of work processes corresponds to at least one of the memory areas of the plurality of memory areas; read at least one data unit from a first memory area of the plurality of memory areas by a first work process of the plurality of work processes; read at least one data unit from a second memory area of the plurality of memory areas by the first work process; write information in a third memory area of the plurality of memory areas to indicate that the at least one data unit from the second memory area is read; save the at least one data unit from the first memory area and the at least one data unit from the second memory area to a storage; delete the at least one data unit from the first memory area by the first work process; and initialize information that corresponds to the first memory area in the third memory area by the first work process.