Shuyan Zhang created HDFS-17037:
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Summary: Consider nonDfsUsed when running balancer
Key: HDFS-17037
URL: https://issues.apache.org/jira/browse/HDFS-17037
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Shuyan Zhang
Assignee: Shuyan Zhang
When we run balancer with `BalancingPolicy.Node` policy, our goal is to make
each datanode storage balanced. But in the current implementation, the balancer
doesn't account for storage used by non-dfs on the datanodes, which can make
the situation worse for datanodes that are already strained on storage.
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