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https://issues.apache.org/jira/browse/HDDS-11282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-11282:
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Labels: pull-request-available (was: )
> Combine test setup for datanode upgrade unit tests
> --------------------------------------------------
>
> Key: HDDS-11282
> URL: https://issues.apache.org/jira/browse/HDDS-11282
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Ethan Rose
> Assignee: Chung En Lee
> Priority: Major
> Labels: pull-request-available
>
> {{TestDatanodeUpgradeToScmHA}} was the first unit test for handling of a
> specific datanode layout version. It works by starting just the minimal [SCM
> RPC
> server|https://github.com/apache/ozone/blob/6ed1e58dd598e4dbc8948e1c23ae67dd1e55104c/hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/upgrade/TestDatanodeUpgradeToScmHA.java#L561]
> and running datanodes without their [heartbeat
> thread|https://github.com/apache/ozone/blob/0c47b0f3bfaf39f1625295a2631c21276c48b9f8/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java#L331].
> This allows most fo the functionality that would be present in a
> MiniOzoneCluster integration test but runs at the speed of a unit test.
> The framework has since been adopted for testing other layout features in
> {{TestDatanodeUpgradeToSchemaV3}} and {{TestDatanodeUpgradeToHBaseSupport}},
> but the code has been copied each time. This Jira is to extract the common
> setup code so that it can be re-used to test datanode layout features in the
> future.
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