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https://issues.apache.org/jira/browse/CASSANDRA-20469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ariel Weisberg updated CASSANDRA-20469:
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Test and Documentation Plan: Run simulator with PaxosV1 and PaxosV2
Status: Patch Available (was: Open)
> Paxos repair interrupts running transactions
> --------------------------------------------
>
> Key: CASSANDRA-20469
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20469
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Feature/Lightweight Transactions
> Reporter: Ariel Weisberg
> Assignee: Ariel Weisberg
> Priority: Normal
> Fix For: 5.x
>
>
> Noticed that with PaxosV1 there may be transactions being interrupted by auto
> repair on clusters with very low transaction rates and no contention.
> {{PaxosCleanupLocalCoordinator}} could wait when it encounters a ballot with
> a timestamp that is recent until the transaction timeout has elapsed. This
> would make it impossible to interrupt a transaction that is currently running
> at client unless it is also trying to recover an existing transaction which
> is generally not as common.
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