Re:FoundationDB 6.0 released, featuring multi-region support
by ryanworl on Tuesday November 20, 2018 @08:11AM
(#18493525)
Yes, I think is fairly well known in the optimistic family of concurrency control algorithms you can get into situations where aborts are not necessary.
https://db.cs.cmu.edu/papers/2016/yu-sigmod2016.pdf
Section 3.4 of this paper covers another example of this.