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https://issues.apache.org/jira/browse/HDDS-15456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-15456:
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Labels: pull-request-available (was: )
> Add SCM DB lookup and identify orphan(wrt SCM) and deleted-but-present
> containers
> ---------------------------------------------------------------------------------
>
> Key: HDDS-15456
> URL: https://issues.apache.org/jira/browse/HDDS-15456
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Sreeja
> Assignee: Sreeja
> Priority: Major
> Labels: pull-request-available
>
> Implement a read-only SCM metadata scanner that opens the provided {{scm.db}}
> and performs container lookups in the {{containers}} column family. For each
> unique container ID discovered during the DataNode container scan HDDS-15455,
> determine whether the container exists in SCM metadata and retrieve its
> lifecycle state.
> Build a lookup result containing:
> * *{{NOT_IN_SCM}}* for container IDs that do not exist in SCM metadata.
> * *{{DELETED}}* for container IDs whose SCM lifecycle state is
> {{{}DELETED{}}}.
> Containers present in SCM with any other lifecycle state do not need to be
> included in the result.
> The resulting lookup information should be used by subsequent analysis steps
> to identify orphan containers (wrt SCM) and deleted-but-present containers
> i.e containers whose state is "DELETED" in SCM metadata but is still present
> in the datanode /current directory
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