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https://issues.apache.org/jira/browse/HDDS-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sammi Chen resolved HDDS-1707.
------------------------------
Resolution: Fixed
Assignee: Sammi Chen
> SCMContainerPlacementRackAware#chooseDatanodes throws not enough datanodes
> when all nodes(40) are up
> ----------------------------------------------------------------------------------------------------
>
> Key: HDDS-1707
> URL: https://issues.apache.org/jira/browse/HDDS-1707
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: SCM
> Reporter: Mukul Kumar Singh
> Assignee: Sammi Chen
> Priority: Major
>
> SCMContainerPlacementRackAware#chooseDatanodes is failing with the following
> error repeatedly.
> {code}
> 2019-06-17 22:15:52,455 WARN
> org.apache.hadoop.hdds.scm.container.ReplicationManager: Exception while
> replicating container 407.
> org.apache.hadoop.hdds.scm.exceptions.SCMException: No enough datanodes to
> choose.
> at
> org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementRackAware.chooseDatanodes(SCMContainerPlacementRackAware.java:100)
> at
> org.apache.hadoop.hdds.scm.container.ReplicationManager.handleUnderReplicatedContainer(ReplicationManager.java:487)
> at
> org.apache.hadoop.hdds.scm.container.ReplicationManager.processContainer(ReplicationManager.java:293)
> at
> java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649)
> at
> java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
> at
> org.apache.hadoop.hdds.scm.container.ReplicationManager.run(ReplicationManager.java:205)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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