[CASSANDRA-11219] Some Paxos issues

• Type: Bug
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Component/s: Feature/Lightweight Transactions, Legacy/Core
• Severity: Normal
• Assignee: Unassigned
• Reporter: Andy Chen
• Created: 23/Feb/16 20:06
• Updated: 25/Oct/19 13:08

Description

Two issues,
1. ‘Raw Paxos' without Single Leader may result in non-progress, though waiting and retry may solve part of the problem, but cannot be proven that it can make progress.
2. learning issue, mostRecentCommit may not sufficient for a learner to catch up, such as node A, B and C, C is down, while A and B done with two Commits, c1, and c2. now when C is up, only c2 could be learned by C, since update is based on row changes (according to my understanding), data may inconsistent due to this