[KAFKA-376] expose different data to fetch requests from the follower replicas and consumer clients

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Component/s: core
• Labels: bugs
• Assignee: Prashanth Menon
• Reporter: Jun Rao
• Created: 26/Jun/12 23:40
• Updated: 10/Sep/12 15:29
• Resolved: 10/Sep/12 13:29

Description

Currently, the broker always uses highwatermark to calculate the available bytes to a fetch request, no matter where the request is from. Instead, we should use highwatermark for requests coming from real consumer clients and use logendoffset for requests coming from follower replicas.