!!! Overview
[{$pagename}] is a [consistency] model used in [distributed Data Store] to achieve high [availability] that informally guarantees that, if no new updates are made to a given [data] item, eventually all accesses to that item will return the last updated value.

[{$pagename}] is widely deployed in [distributed Data Stores], often under the moniker of [Optimistic replication], and has origins in early mobile computing projects.

A system that has achieved [{$pagename}] is often said to have converged, or achieved [replica convergence] or reach a consistent [state]

[{$pagename}] is a weak guarantee – most stronger models, like linearizability are trivially eventually [consistent|Consistency], but a system that is merely [{$pagename}] does not usually fulfill these stronger constraints.

[{$pagename}] services are often classified as providing [BASE] ([Basically Available Soft state Eventual consistency]) semantics, in contrast to traditional [ACID] ([Atomicity], [Consistency], [Isolation], [Durability]) guarantees.

[{$pagename}] is sometimes criticized as increasing the complexity of distributed software applications. This is partly because [{$pagename}] is purely a liveness guarantee (reads eventually return the same value) and does not make safety guarantees: an [{$pagename}] system can return any value before it has achieved [replica convergence].

!! More Information
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[{ReferringPagesPlugin before='*' after='\n' }]