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feat(observability): expose pool write-block diagnostics

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cxymds
2026-09-07 23:02:28 +08:00
parent 752d4a81ab
commit f5fc3a4600
17 changed files with 500 additions and 49 deletions
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docs/architecture/readiness-matrix.md
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@@ -41,8 +41,12 @@ an unknown or unsupported peer-health snapshot degrades readiness with
lock quorum, or peer health.
- Node readiness reports local dependency readiness.
- A blocked pool metadata writer degrades node and cluster-write readiness with
`pool_metadata_blocked`. Metadata save-gate inspection is bounded to 100 ms;
`pool_meta_write_blocked`. Metadata save-gate inspection is bounded to 100 ms;
contention reports `pool_metadata_check_timeout` without installing a block.
- The authenticated cluster snapshot extends its existing node-local metadata
gate inspection with safe reason, failure phase, and original block time. It
distinguishes timeout from a block and changes no admission or recovery
decision. Runtime readiness and gate status are separate bounded observations.
- Cluster write readiness requires write quorum and the runtime dependency
readiness used by `FullReady`.
- Cluster read readiness may use the read-quorum path and cluster-health