[HADOOP-17238] Add ViewFileSystem/InodeTree Mount points Resolution Cache

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: viewfs
• Labels: pull-request-available
• Assignee: zhenzhao wang
• Reporter: zhenzhao wang
• Created: 02/Sep/20 02:06
• Updated: 17/Sep/20 12:27

Description

Now the ViewFileSystem walkthrough InodeTree to resolve the passed-in path. This could be optimized by adding a cache of resolution result. It will benefit all kinds of mount points. And it is also very useful to reduce the Regex parse cost of Regex Mount points introduced in HADOOP-15891

Issue Links

• relates to: HADOOP-15891 Provide Regex Based Mount Point In Inode Tree
• links to: GitHub Pull Request #2308