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worker: retain failed activation authority

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Hare
2026-09-18 06:27:11 +09:00
parent 34085b121d
commit fc24cb672e
5 changed files with 187 additions and 37 deletions
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docs/design/compaction.md
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@@ -54,10 +54,13 @@ metadata CAS and allocation hand-off.
The metadata CAS is the commit point. Failures before it leave the source Segment
active. A failure updating allocation after it marks the old in-memory writer
unusable: further acceptance fails closed and process restart/restore converges from
the replacement named by metadata. The Worker must likewise remain non-idle while
terminal compaction-service cleanup is pending; cleanup authority is retained and
retried until the registry record is gone.
unusable and retains the machine-wide allocation lock: further acceptance fails
closed and restore admission cannot register a competing writer until process
teardown, after which restore converges from the replacement named by metadata.
The Worker must likewise remain non-idle while terminal compaction-service cleanup
is pending. Cleanup authority is stored on the Worker (not only on one compaction
future), retried until the registry record is gone, and cleared exactly once before
activation or a terminal result.
## Metrics and comparison procedure