write-write dependency
a relationship where operation A writes a version that operation B overwrites
write-write dependency in a sentence
“The write-write dependency revealed a potential lost update between two concurrent transactions.”
Related Words
consistency model
a set of allowed histories constraining which operations are permissible and their ordering
causal consistency
ensures all processes observe causally related operations on objects in identical order across the system
eventual consistency
after updates cease, sufficient time and messaging ensure every node reaches identical final values
history
a collection of operations performed by a system including process information and timing details
linearizability
operations appear to execute atomically in a total order consistent with real-time ordering on single objects
monotonic atomic view
strengthens read committed by requiring that once a transaction observes another's effects, it observes all of them