[HADOOP-6304] Use java.io.File.set{Readable|Writable|Executable} where possible in RawLocalFileSystem

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.20.1
• Component/s: fs
• Release Note: Dramatic reduction in the number of system fork() calls when permissions are set.
• Assignee: Arun Murthy
• Reporter: Arun Murthy
• Created: 09/Oct/09 06:07
• Updated: 21/Jan/11 08:34
• Resolved: 21/Jan/11 08:34

Description

Using java.io.File.set

{Readable|Writable|Executable}

where possible in RawLocalFileSystem when g & o perms are same saves a lot of 'fork' system-calls.

Issue Links

• is related to: HADOOP-7110 Implement chmod with JNI
• relates to: HADOOP-7110 Implement chmod with JNI