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feat(umbp): converge eviction onto one path; nodes evict locally by default - #741

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feat/umbp-evict-converge

Oct 15, 2026

Merged

feat(umbp): converge eviction onto one path; nodes evict locally by default#741
TianDi101 merged 14 commits into
mainfrom
feat/umbp-evict-converge

Commits on Oct 13, 2026
- docs(umbp): design for converging eviction onto one path
  
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- feat(umbp): evict per tier -- the master names the medium, the pool frees that copy
  
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- feat(umbp): one eviction implementation per medium; local eviction through PeerPool::Evict
  
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- fix(umbp): SPDK tier no longer evicts behind its owner's back
  
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- docs(umbp): drop the eviction-convergence design doc
  
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  1eaaab2
- test(umbp): fold overlapping eviction tests and tighten their comments
  
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  cdfd434
- feat(umbp): size eviction rounds in bytes; queue demotions on the peer
  
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- test(umbp): tighten the byte-budget/async-demotion comments; fold its tests
  
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  f19c52b
- refactor(umbp): cut the eviction comments down to the non-obvious
  
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- feat(umbp): peer-driven eviction with master-ranked victims (opt-in)
  
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- feat(umbp): eviction modes; nodes evict locally by default
  
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Commits on Oct 14, 2026
- fix(umbp): report local reads to the master for master-ranked eviction
  
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  458e3e9
- fix(umbp): don't stall local eviction on the master's ranking
  
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  3935422
- fix(umbp): use the master's ranking for the whole eviction pass
  
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  e8b950a

Commits

Commits on Oct 13, 2026

Commits on Oct 14, 2026