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From "Andy Chen (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-11219) Some Paxos issues
Date Tue, 23 Feb 2016 20:06:18 GMT
Andy Chen created CASSANDRA-11219:

             Summary: Some Paxos issues
                 Key: CASSANDRA-11219
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Andy Chen

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

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