[BOOKKEEPER-499] Message clock-vector version needs to be maintained independently with region vector clock

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 4.2.0
• Component/s: hedwig-server
• Assignee: Unassigned
• Reporter: Yixue Zhu
• Created: 11/Dec/12 01:15
• Updated: 16/Mar/16 04:21
• Resolved: 16/Mar/16 04:21

Description

When message is persisted, we update region vector clock and serialize it into the message. The original message version (of clock-vector format) is lost.

This can cause event causal relation lost, as discovered thru discussion of BOOKKEEPER-256.

Will upload proposal document