[HDFS-12176] dfsadmin shows DFS Used%: NaN% if the cluster has zero block.

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-beta1
• Hadoop Flags: Reviewed
• Assignee: Weiwei Yang
• Reporter: Wei-Chiu Chuang
• Created: 20/Jul/17 23:32
• Updated: 02/Oct/19 17:13
• Resolved: 24/Jul/17 07:25

Description

This is rather a non-issue, but thought I should file it anyway.

I have a test cluster with just NN fsimage, no DN, no blocks, and dfsadmin shows:

$ hdfs dfsadmin -report
Configured Capacity: 0 (0 B)
Present Capacity: 0 (0 B)
DFS Remaining: 0 (0 B)
DFS Used: 0 (0 B)
DFS Used%: NaN%