image/svg+xml
Read-Mostly, Stale &
Inconsistent Data OK
(RCU Works Great!!!)
(RCU Works Well)
Read-Mostly, Need Consistent Data
Read-Write, Need Consistent Data
Update-Mostly, Need Consistent Data
(RCU Might Be OK...)
(1) Provide Existence Guarantees For Update-Friendly Mechanisms
(2) Provide Wait-Free Read-Side Primitives for Real-Time Use)
(RCU is Very Unlikely to be the Right Tool For The Job, But it Can: