 dailz
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3c0e3b14ff
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feat(memtable): implement SkipList with lock-free reads
- memtable/skiplist.go: heap-backed SkipList with atomic.Pointer next pointers
- Mutex-protected writes, lock-free reads with release/acquire ordering
- Copy-on-insert and copy-on-return for key/value safety
- Forward iterator that skips pending entries
- Comprehensive tests: ordered insert, overwrite, pending hidden, concurrent -race
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2026-06-12 13:34:02 +08:00 |
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