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https://issues.apache.org/jira/browse/HDDS-4734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-4734:
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Labels: pull-request-available (was: )
> Validate update state in PipelineStateMap.updatePipelineState
> -------------------------------------------------------------
>
> Key: HDDS-4734
> URL: https://issues.apache.org/jira/browse/HDDS-4734
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Janus Chow
> Priority: Major
> Labels: pull-request-available
>
> The function of PipelineStateMap.updatePipelineState will update the
> pipeline's state according to the new state in the parameter.
> There is a chance that the new state is the same, say for Pipeline A, the old
> state is OPEN, and the caller is updating the state of Pipeline A to OPEN
> again, the direct impact is that _query2Openpipelines_ will add two Pipeline
> A for the same query.
> Or the differential control of the state is controlled by the higher level
> invoker, that the caller will always update a different state for a pipeline.
> I think it would be good to add a validator here that if the state is not
> changed, we return directly.
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