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https://issues.apache.org/jira/browse/HDDS-369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16611796#comment-16611796
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Elek, Marton commented on HDDS-369:
-----------------------------------
Thanks the commit [~hanishakoneru] and the good question [~GeLiXin].
node2ContainerMap is initialized by the NewNodeHandler so the
node2ContainerMap.getContainers will never throw an exception (IMHO).
(To be honest. I know it only because I tried it out first: started a new
docker based cluster and killed a datanode. Dead node handler called without
exception...)
> Remove the containers of a dead node from the container state map
> -----------------------------------------------------------------
>
> Key: HDDS-369
> URL: https://issues.apache.org/jira/browse/HDDS-369
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: SCM
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
> Fix For: 0.2.1
>
> Attachments: HDDS-369.001.patch, HDDS-369.002.patch,
> HDDS-369.003.patch, HDDS-369.004.patch, HDDS-369.005.patch, HDDS-369.006.patch
>
>
> In case of a node is dead we need to update the container replicas
> information of the containerStateMap for all the containers from that
> specific node.
> With removing the replica information we can detect the under replicated
> state and start the replication.
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