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https://issues.apache.org/jira/browse/HDDS-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16840044#comment-16840044
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Shashikant Banerjee commented on HDDS-1517:
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Patch v0 adds the fix. I will open up a pull request and add a new patch which
also will add test to verify the fix.
> AllocateBlock call fails with ContainerNotFoundException
> --------------------------------------------------------
>
> Key: HDDS-1517
> URL: https://issues.apache.org/jira/browse/HDDS-1517
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: SCM
> Affects Versions: 0.5.0
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Fix For: 0.5.0
>
> Attachments: HDDS-1517.000.patch
>
>
> In allocateContainer call, the container is first added to pipelineStateMap
> and then added to container cache. If two allocate blocks execute
> concurrently, it might happen that one find the container to exist in the
> pipelineStateMap but the container is yet to be updated in the container
> cache, hence failing with CONTAINER_NOT_FOUND exception.
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