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Posted to issues@ozone.apache.org by "Stephen O'Donnell (Jira)" <ji...@apache.org> on 2020/04/23 18:19:00 UTC
[jira] [Assigned] (HDDS-3081) Should replication manager detect and
correct containers which don't meet the replication policy
[ https://issues.apache.org/jira/browse/HDDS-3081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephen O'Donnell reassigned HDDS-3081:
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Assignee: Stephen O'Donnell
> Should replication manager detect and correct containers which don't meet the replication policy
> ------------------------------------------------------------------------------------------------
>
> Key: HDDS-3081
> URL: https://issues.apache.org/jira/browse/HDDS-3081
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: SCM
> Affects Versions: 0.6.0
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
>
> In the current implementation, replication manager does not consider the container placement when checking if a container is healthy. Only the number of replicas are checked.
> Now we have network topology available, we should consider whether replication manager should detect and correct mis-replicated containers.
> In HDFS, the namenode will not automatically correct mis-replicated containers automatically, except at startup when all blocks are checked.
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