[HDFS-3027] HA: Implement a simple NN health check

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HA branch (HDFS-1623)
• Fix Version/s: HA branch (HDFS-1623)
• Component/s: ha, namenode
• Target Version/s: HA branch (HDFS-1623)
• Hadoop Flags: Reviewed
• Assignee: Aaron Myers
• Reporter: Aaron Myers
• Created: 28/Feb/12 20:14
• Updated: 14/Mar/12 04:52
• Resolved: 29/Feb/12 21:58

Description

This JIRA is to address a TODO in NameNode about actually implementing the checkHealth RPC.

Issue Links

• relates to: HDFS-2704 NameNodeResouceChecker#checkAvailableResources should check for inodes
• relates to: HDFS-3090 Broaden NN#monitorHealth checks