Integrated Concurrency-Coherency Controls for Multisystem Data Sharing

Daniel M. Dias, Balakrishna R. Iyer, John T. Robinson, Philip S. Yu

Abstract: The authors propose an integrated control mechanism and analyze the performance gain due to its use. An extension to the data sharing system structure is examined in which a shared intermediate memory is used for buffering and for early commit processing. Read-write-synchronization and write-serialization problems arise. The authors show how the integrated concurrency protocol can be used to overcome both problems. A queueing model is used to quantify the performance improvement. Although using intermediate memory as a buffering device produces a moderate performance benefit, the analysis shows that more substantial gains can be realized when this technique is combined with the use of an integrated concurrency-coherency control protocol.<>

External IDs:dblp:journals/tse/DiasIR89