Wei-Chiu Chuang created HDDS-16107:
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Summary: Add Ozone 2.2.1 download & release note
Key: HDDS-16107
URL: https://issues.apache.org/jira/browse/HDDS-16107
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Wei-Chiu Chuang
Assignee: Wei-Chiu Chuang
Website updates after artifacts are published:
* src/pages/download.md — add 2.2.1 row above 2.2.0
* src/pages/release-notes/2.2.1.md — new release notes page
* Versioned docs at docs/2.2.1/ if required by release process
h2. Critical bug fixes (upgrade strongly recommended)
h3. HDDS-15783 — ScmListCodec fails to deserialize empty lists from Ratis log
Impact: SCM HA upgrade can fail while replaying the Ratis log when
deserializing empty lists (java.lang.Object element type regression).
Action: Upgrade to 2.2.1 before or during SCM HA upgrades from 2.2.0.
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h3. HDDS-12669 — Race condition in ContainerSet#recoveringContainerMap
Impact: Concurrent EC container recovery can leave containers permanently stuck
in RECOVERING.
Action: Upgrade to 2.2.1 if you observe containers stuck in recovering state.
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h2. Notable operational fixes
h3. HDDS-15849 — XceiverClientGrpc.close() blocks under XceiverClientManager
lock
Impact: Graceful gRPC channel shutdown while holding the client manager cache
lock can serialize concurrent client acquisition and cause severe performance
degradation under load.
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h3. HDDS-15552 — Ratis events published as metrics break Prometheus scraping
Impact: Invalid characters in Ratis event metric names/labels can cause
Prometheus scrape failures on JMX/Prometheus endpoints.
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h3. HDDS-11772 — Recon Ozone Used Capacity mismatch
Impact: Recon cluster capacity / Ozone used space did not match actual data
written under freon workloads.
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h2. Dependency updates
* HDDS-15722 / HDDS-15900 — Netty 4.1.135 / 4.1.136
* HDDS-15727 — Ratis thirdparty 1.0.11
* HDDS-15974 — BouncyCastle 1.85
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