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perf(merge): hold a merge's source only until capture, so source writes stop waiting - #822

Merged

ragnorc merged 14 commits into

ModernRelay:mainfrom

ragnorc:test/concurrent-merges-issue-643

Oct 12, 2026

Merged

perf(merge): hold a merge's source only until capture, so source writes stop waiting#822
ragnorc merged 14 commits into
ModernRelay:mainfrom
ragnorc:test/concurrent-merges-issue-643

Commits on Sep 30, 2026
- test: pin merge concurrency across independent and shared targets
  ragnorc
  committed
  28a0a5a
- test: a parked merge holds its shared permit through publication
  ragnorc
  committed
  636a1c5
- test: pin branch deletes and same-source merges around a merge
  ragnorc
  committed
  e4f9290
- test: a failed merge beside an independent merge
  ragnorc
  committed
  156e7a6
- test: a merge refuses a target recreated by another process
  ragnorc
  committed
  dd453d7
- test: a cancelled merge leaves its target whole
  ragnorc
  committed
  d7b8917
Commits on Oct 1, 2026
Commits on Oct 12, 2026
- Merge main into test/concurrent-merges-issue-643
  ragnorc
  committed
  8a0a8a0
- merge: prove pure inserts against the captured source pin
  ragnorc
  committed
  2879686
- docs: a merge waiting for its target holds a source that sorts first
  ragnorc
  committed
  3a1c7a5