[HDFS-9589] Block files which have been hardlinked should be duplicated before the DataNode appends to the them

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: datanode
• Target Version/s: 2.8.0
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 21/Dec/15 22:12
• Updated: 30/Aug/16 01:21
• Resolved: 22/Dec/15 17:39

Description

Block files which have been hardlinked should be duplicated before the DataNode appends to the them. The patch for HDFS-8860 accidentally removed this code.

Issue Links

• is broken by: HDFS-8860 Remove unused Replica copyOnWrite code