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05-16-2019
03:26 AM
I have a HDFS data node that has reached 100% disk usage and has completely filled a disk. Some of the other data nodes in the cluster have very lo utilisation (<20%). I would like to rebalance the cluster but since the disk is at 100% it doesn't seem to be able to rebalance. How much free space do I need to have on a data node in order for HDFS to rebalance it?
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Apache Hadoop