Tag
epochs
- Jul 24, 2025 Memory Reclamation for Lock-Free Structures Hazard pointers, epoch-based reclamation, and reference counting compared by what they cost on the read path, when memory is actually returned, and which failure they tolerate. systems programming
- Apr 29, 2023 Routing Metadata Staleness and the Cost of a Wrong Guess Every client caches a map from key to node, and every cache is wrong eventually. How epochs, redirects, and fencing turn a stale guess into a retry instead of a lost write. distributed systems