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[DOC-13372]: Update release note for Couchbase Server 7.2.8
Included details and resolution steps for a Magma storage bug causing potential document invisibility under specific conditions. Signed-off-by: Ray Offiah <[email protected]>
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modules/release-notes/partials/MB-67762.adoc

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=== Storage
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[#table-known-issues-728-storage, cols="10,40,40"]
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|===
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|Issue | Description | Resolution
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| https://jira.issues.couchbase.com/browse/MB-67762[MB-67762]
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a| https://jira.issues.couchbase.com/browse/MB-67762[MB-67762]
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a| We have identified an integer-overflow bug for buckets using the Magma storage engine.
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For clusters identified as being vulnerable, use the following steps to resolve the issues:
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[discrete]
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===== {counter: seq}. Stop Creating the new index
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Stop building any index while applying the resolution steps.
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Once this step is complete, any documents previously hidden in the vulnerable window will immediately become accessible.
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modules/release-notes/partials/docs-server-7.2.8-release-note.adoc

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[#release-728]
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== Release 7.2.8 (7.2.8)
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== Release 7.2.8 (August 2025)
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Couchbase Server 7.2.8 was released in 7.2.8.
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Couchbase Server 7.2.8 was released in August 2025.
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This maintenance release contains fixes to issues.
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== Fixed Issues
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=== Storage
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[#table-known-issues-728-storage, cols="10,40,40"]
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|===
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|Issue | Description | Resolution
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include::partial$MB-67762.adoc[]
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|===
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=== XDCR
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[#table-fixed-issues-728-xdcr, cols="10,40,40"]
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|===
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|Issue | Description | Resolution
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=== Index Service
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[#table-fixed-issues-728-index-service, cols="10,40,40"]
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|===
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|Issue | Description | Resolution
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| https://jira.issues.couchbase.com/browse/MB-65375/[MB-65375]
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a| In the latest update (version 7.2.8-8817), a key commit has been implemented to set the min and max iteration parameters for the planner during the CommandRepairBuild process. This update specifically targets the Replica Repair scenario to enhance system performance. The changes have been verified, but emphasize the need for a functional test to validate the ALTER INDEX functionality when increasing replicas, following the procedures outlined in a related ticket.
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a| Couchbase Server 7.2.8-8817 introduces an update to the indexing component, setting the maxIteration parameter for planners during CommandRepairBuild. This update addresses MB-65375 by establishing min and max iterations for the Replica Repair scenario. Verification has been completed for version 7.2.8, as confirmed by unit testing. A functional test is recommended to verify ALTER INDEX functionality for increasing replicas, with steps outlined in the parent ticket MB-65347.
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// Generated by [chatgpt:gpt-4o]
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| Issue resolved
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=== Tools
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[#table-fixed-issues-728-tools, cols="10,40,40"]
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|===
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|Issue | Description | Resolution
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