[HDFS-8952] InputStream.PositionRead() should be aware of available DNs

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-8707
• Component/s: hdfs-client
• Target Version/s: HDFS-8707
• Hadoop Flags: Reviewed
• Assignee: Haohui Mai
• Reporter: Haohui Mai
• Created: 25/Aug/15 01:09
• Updated: 11/Sep/15 20:47
• Resolved: 11/Sep/15 20:47

Description

This jira provides basic functionality to allow libraries to recover from DN failures.

InputStream.PositionRead() should (1) report the DN that when it serves reads, and (2) allows the users exclude dead nodes during reads.