Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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3.4.0
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Reviewed
Description
DiskBalancer process read DataNode hostname as lowercase letters,
but there is no letter case transform when getNodeByName.
For a DataNode with lowercase hostname. everything is ok.
But for a DataNode with uppercase hostname, when Balancer process try to migrate on it, there will be a IllegalArgumentException thrown as below,
2022-10-09 16:15:26,631 ERROR tools.DiskBalancerCLI: java.lang.IllegalArgumentException: Unable to find the specified node. node-group-1YlRf0002
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