Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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None
Description
A DN should decommission itself rather than shutdown whenever the configured threshold of volume failures (dfs.datanode.failed.volumes.tolerated) has been reached. This allows the namenode to distinguish between a datanode that might not come back up soon (and will need replication) vs one that is just restarting.