[HDDS-2939] Ozone FS namespace

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Ozone Manager
• Labels: Triaged
• Assignee: Rakesh Radhakrishnan
• Reporter: Supratim Deka
• Created: 27/Jan/20 16:27
• Updated: 13/Jul/23 09:44
• Resolved: 09/Jun/21 03:02

Description

Create the structures and metadata layout required to support efficient FS namespace operations in Ozone - operations involving folders/directories required to support the Hadoop compatible Filesystem interface.

The details are described in the attached document. The work is divided up into sub-tasks as per the task list in the document.

Issue Links

• blocks: HDDS-3545 MR Jobhistory cannot work well with o3fs hadoop compatible file system
• is duplicated by: HDDS-1221 Introduce fine grained lock in Ozone Manager for key operations
• is duplicated by: HDDS-24 Ozone: Rename directory in ozonefs should be atomic
• is related to: HDDS-4222 [OzoneFS optimization] Provide a mechanism for efficient path lookup
• relates to: HDDS-3402 Use proper acls for sub directories created during CreateDirectory operation
• relates to: HDDS-4593 Refine IAccessAuthorizer interface to do recursive ACL check on a path
• relates to: HDDS-5076 Follow-on work for FileSystemOptimizations(FSO)
• supercedes: HDDS-1301 Optimize recursive ozone filesystem apis
• links to: GitHub Pull Request #1668
• links to: GitHub Pull Request #2150

Sub-Tasks

• Update PrefixFSO.md after HDDS-6768: Open
• Add VolumeID and BucketID to OmDirectoryInfo: Open