[KAFKA-612] move shutting down of fetcher thread out of critical path

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Component/s: core
• Assignee: Jun Rao
• Reporter: Jun Rao
• Created: 14/Nov/12 21:35
• Updated: 19/Nov/12 05:52
• Resolved: 19/Nov/12 05:52

Description

Shutting down a fetch thread seems to take more than 200ms since we need to interrupt the thread. Currently, we shutdown fetcher threads while processing a leaderAndIsr request. This can delay some of the partitions to become a leader.