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https://issues.apache.org/jira/browse/CASSANDRA-8305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14211223#comment-14211223
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Brandon Williams commented on CASSANDRA-8305:
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+1, though for trunk we probably shouldn't use System.exit due to CASSANDRA-7997
> add check of the system wall clock time at startup
> --------------------------------------------------
>
> Key: CASSANDRA-8305
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8305
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jason Brown
> Assignee: Jason Brown
> Priority: Minor
> Labels: clock, gossip
> Fix For: 3.0, 2.1.3
>
> Attachments: v1.txt
>
>
> Related to CASSANDRA-8296, we should add a check of the system wall clock at
> startup to make sure it 'looks' reasonable. This check will prevent a node
> from starting with a bad generation in it's gossip metadata (and causing many
> problems downstream of that).
> Note that this is intended as a simple check of the clock at startup and not
> a comprehensive, ongoing check of clocks during the running of the process.
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