[HDFS-3425] Enable standby namenode to tail edits from journal service

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: ha, namenode
• Assignee: Brandon Li
• Reporter: Brandon Li
• Created: 15/May/12 18:11
• Updated: 19/Jun/12 22:33

Description

In an HA cluster with the journal service configured, namenode should get edit logs from journal service instead of from local or shared storage directories.

As one of the first steps towards this goal, this JIRA is to enable standby namenode to tail edits from journal services.