What is it about?
It introduces an optimistic concurrency control algorithm for managing simultaneous transactions in database and reduce the amount of aborted transactions due to conflicts with other’s transactions by leveraging high concurrency and data correctness.
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Why is it important?
It give a promise of high concurrency that only exists in weak isolation levels and at the same time, a high level of consistency of data by allowing to read uncommitted data if the transaction that writes it will eventually commits.
Perspectives
I hope that other scholars find it interesting to bring up new ideas that are based on it when developing new concepts. I also hope that the existing database management systems adopt the concept in their existing applications.
Abdullah Alhajri
University of Warwick
Read the Original
This page is a summary of: OCC2T: An Early-Read Dual-Track OCC Algorithm For Mixed Mode Systems, March 2023, ACM (Association for Computing Machinery),
DOI: 10.1145/3555776.3577757.
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