[KAFKA-9725] Block the business thread when the zookeeper is unavailable

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.9.0.2
• Component/s: core
• Assignee: Unassigned
• Reporter: hanmingze
• Created: 16/Mar/20 12:57
• Updated: 16/Mar/20 12:57

Description

If zk is not available, the method Partition.updateIsr() will block. If ExpandIsr logic is triggered, the worker thread (kafka-request-handler-n) will be blocked.