[ROCKETMQ-169] Support flow control when slave restarts and replicating from master

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0-incubating
• Fix Version/s: 4.2.0
• Component/s: rocketmq-broker
• Assignee: Xinyu Zhou
• Reporter: Eason Chen
• Created: 10/Apr/17 09:56
• Updated: 13/Dec/17 11:57
• Resolved: 13/Dec/17 11:57

Description

as we know slave replicates message from master, but when slave restarts the replicating will cause huge traffic which will impact sending messages, so we suggest supporting flow control for slave when restarts.