[HADOOP-3780] JobTracker should synchronously resolve the tasktracker's network location when the tracker registers

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.18.3, 0.19.0
• Hadoop Flags: Reviewed
• Assignee: Amar Kamat
• Reporter: Amar Kamat
• Created: 17/Jul/08 10:03
• Updated: 08/Jul/09 16:52
• Resolved: 12/Aug/08 21:46

Description

This issue is inspired by HADOOP-3620. In JobTracker, the network address of tracker gets resolved asynchronously. Now it can be done inline i.e while the trackers register. This is of great help for HADOOP-3245 where this enhancement makes the design simpler.

Issue Links

• blocks: HADOOP-3245 Provide ability to persist running jobs (extend HADOOP-1876)
• relates to: MAPREDUCE-122 JobTracker.addNewTracker() unnecessarily resolves already resolved nodes