Indatabases andtransaction processing the termLocks with ordered sharing comprises several variants of thetwo-phase locking (2PL)concurrency control protocol generated by changing the blocking semantics of locks uponconflicts. Furthersoftening of locks eliminatesthrashing.

• Autonomic computing

• D. Agrawal, A. El Abbadi, A. E. Lang:The Performance of Protocols Based on Locks with Ordered Sharing, IEEE Transactions on Knowledge and Data Engineering, Volume 6, Issue 5, October 1994, pp. 805–818,ISSN 1041-4347
• Mahmoud, H. A., Arora, V., Nawab, F., Agrawal, D., & El Abbadi, A. (2014).Maat: Effective and scalable coordination of distributed transactions in the cloud.Proceedings of the VLDB Endowment,7(5), 329-340.

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