[HDFS-12295] NameNode to support file path prefix /.reserved/bypassExtAttr

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: hdfs, namenode
• Assignee: Yongjun Zhang
• Reporter: Yongjun Zhang
• Created: 12/Aug/17 23:53
• Updated: 08/Sep/17 14:52
• Resolved: 08/Sep/17 14:52

Description

Let NameNode to support prefix /.reserved/bypassExtAttr, so client can add thisprefix to a path before calling getFileStatus, e.g. /ab/c becomes /.reserved/bypassExtAttr/a/b/c. NN will parse the path at the very beginning, and bypass external attribute provider if the prefix is there.