[HADOOP-14455] ViewFileSystem#rename should support be supported within same nameservice with different mountpoints

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-beta1, 2.8.3
• Component/s: viewfs
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Brahma Reddy Battula
• Created: 25/May/17 05:11
• Updated: 30/Jul/17 06:08
• Resolved: 30/Jul/17 06:08

Description

Scenario:

Mount Point	NameService	Value
/tmp	hacluster	/tmp
/user	hacluster	/user

Move file from /tmp to /user
It will fail by throwing the following error

Caused by: java.io.IOException: Renames across Mount points not supported
        at org.apache.hadoop.fs.viewfs.ViewFileSystem.rename(ViewFileSystem.java:500)
        at org.apache.hadoop.hive.ql.metadata.Hive.moveFile(Hive.java:2692)
        ... 22 more