Unverified50% confidenceFactExact time
CAS has the ABA problem: when a pointer value changes from A to B and back to A, CAS cannot detect the intermediate change that occurred.
1
Sources
50%
Confidence
Long-term
Relevance
10/1/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedBW-Tree's Delta updates use CAS to point the mapping table pointer to a delta modification node, which has extremely low construction cost, but causes reads to require linear traversal of the Delta chain, hurting read performance.56% similarUnverifiedBW-Tree avoids the ABA problem through indirect addressing via a Mapping Table; the CAS operation targets the slot pointer in the mapping table, and pages themselves are never modified in place.56% similar
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