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https://issues.apache.org/jira/browse/HDDS-15165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-15165:
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Labels: pull-request-available (was: )
> Recon: Add admin REST APIs to trigger, monitor, and cancel SCM DB snapshot
> sync
> -------------------------------------------------------------------------------
>
> Key: HDDS-15165
> URL: https://issues.apache.org/jira/browse/HDDS-15165
> Project: Apache Ozone
> Issue Type: Task
> Components: Ozone Recon
> Reporter: Devesh Kumar Singh
> Assignee: Devesh Kumar Singh
> Priority: Major
> Labels: pull-request-available
>
> Recon currently performs SCM container synchronization through periodic
> targeted sync, with full SCM DB snapshot sync used as an expensive recovery
> path when drift becomes large. Since full SCM DB snapshot download can be
> resource-heavy on large clusters, operators should be able to explicitly
> control this operation and observe its progress.
> Add admin-only Recon REST APIs for full SCM DB snapshot sync management:
>
> {code:java}
> POST /api/v1/triggerdbsync/scm/snapshot
> GET /api/v1/triggerdbsync/scm/snapshot/status
> POST /api/v1/triggerdbsync/scm/snapshot/cancel
> {code}
> *Expected behavior:*
> {code:java}
> - POST /scm/snapshot starts an asynchronous full SCM DB checkpoint download
> and Recon SCM DB refresh.
> - GET /scm/snapshot/status returns current status, start time, duration,
> phase, and last error if any.
> - POST /scm/snapshot/cancel cancels the snapshot operation while it is
> still in the checkpoint download/pre-swap phase.
> - The API should reject duplicate trigger requests while a snapshot sync is
> already running.
> - The operation should clean up temporary checkpoint files on failure or
> cancellation.
> - Existing targeted SCM sync should continue to use the current POST
> /api/v1/triggerdbsync/scm endpoint.
> {code}
> This can later be exposed through ozone admin recon CLI as a thin wrapper
> over the REST APIs.
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