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https://issues.apache.org/jira/browse/HDDS-16456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng updated HDDS-16456:
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Attachment: HDDS-16456.001.patch
> Non atomic timeout re arm resurrects a recovering container entry and marks a
> valid EC replica UNHEALTHY
> --------------------------------------------------------------------------------------------------------
>
> Key: HDDS-16456
> URL: https://issues.apache.org/jira/browse/HDDS-16456
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Siyao Meng
> Priority: Major
> Attachments: HDDS-16456.001.patch
>
>
> h3. Finding
> A non-atomic timeout re-arm on the write RPC tail resurrects a
> recoveringContainerMap entry for a container that concurrently moved to
> CLOSING/CLOSED; the scrub then marks that valid replica UNHEALTHY, driving
> SCM re-replication of a good replica. Triggered by a concurrent write RPC and
> CloseContainerCommand on a RECOVERING EC target; same bounded, self-healing
> external effect as the stale-scrub demotion.
> h3. Classification
> * Verdict: REPRODUCED
> * Severity: High
> * Source: Specula TLA+ model checking and confirmation debate, finding MC-2
> h3. Reproduce
> {noformat}
> Ozone commit: 9fbf9ee0cb1bd2f5f5d437b6719ebbe5309351fb
> Specula: v1.1.0 (commit c6aa3dfa)
> Target: dn-ec-reconstruction
> Guidance:
> campaigns/ozone-9fbf9ee/targets/022-dn-ec-reconstruction/.prompt-extra.md
> {noformat}
> {code:none}
> specula run --agent=claude-code --effort=high --keep-original
> --max-parallel=2 \
> --enable-reviews --confirm-debate --tlc-memory-limit=28G
> --tlc-worker-limit=8 \
> "dn-ec-reconstruction|apache/ozone|Java|Use the target-specific
> .prompt-extra.md"
> {code}
> Discovered under HDDS-16433 (Specula TLA+ verification effort). The TLA+
> specification, counterexample, and confirmation debate live in the Specula
> run artifacts.
> Generated with Specula (Claude Opus 4.8).
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