[HDFS-10636] Modify ReplicaInfo to remove the assumption that replica metadata and data are stored in java.io.File.

• Type: Sub-task
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: 3.0.0-alpha2
• Component/s: datanode, fs
• Target Version/s: 3.0.0-alpha1
• Hadoop Flags: Incompatible change
• Assignee: Virajith Jalaparti
• Reporter: Virajith Jalaparti
• Created: 15/Jul/16 23:27
• Updated: 14/May/24 02:00

Description

Replace java.io.File related APIs from ReplicaInfo, and enable the definition of new ReplicaInfo sub-classes whose metadata and data can be present on external storages (HDFS-9806).

Issue Links

• causes: HDFS-17526 getMetadataInputStream should use getShareDeleteFileInputStream for windows
• Dependent: HDFS-10637 Modifications to remove the assumption that FsVolumes are backed by java.io.File.
• relates to: HDFS-14263 Remove unnecessary block file exists check from FsDatasetImpl#getBlockInputStream()