[HDFS-4179] BackupNode: allow reads, fix checkpointing, safeMode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.2-alpha
• Fix Version/s: 2.0.3-alpha
• Component/s: namenode
• Target Version/s: 2.0.3-alpha
• Hadoop Flags: Reviewed
• Assignee: Konstantin Shvachko
• Reporter: Konstantin Shvachko
• Created: 12/Nov/12 20:37
• Updated: 15/Feb/13 13:12
• Resolved: 20/Nov/12 02:05

Description

BackupNode should be allowed to accept read command. Needs some adjustments in checkpointing and with safe mode.