[HDFS-9033] dfsadmin -metasave prints "NaN" for cache used%

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.7.2, 3.0.0-alpha1
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Archana T
• Created: 08/Sep/15 04:12
• Updated: 06/Jan/17 01:48
• Resolved: 09/Sep/15 08:30

Description

In a metasave file, "NaN" is getting printed for cacheused% –

For metasave file –
hdfs dfsadmin -metasave fnew

vi fnew
Metasave: Number of datanodes: 3
DN1:50076 IN 211378954240(196.86 GB) 2457942(2.34 MB) 0.00% 185318637568(172.59 GB) 0(0 B) 0(0 B) NaN% 0(0 B) Mon Sep 07 17:22:42

In DN report, Cache is -
hdfs dfsadmin -report
Decommission Status : Normal
Configured Capacity: 211378954240 (196.86 GB)
DFS Used: 3121152 (2.98 MB)
Non DFS Used: 16376107008 (15.25 GB)
DFS Remaining: 194999726080 (181.61 GB)
DFS Used%: 0.00%
DFS Remaining%: 92.25%

Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%