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https://issues.apache.org/jira/browse/CASSANDRA-8498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14250111#comment-14250111
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Jonathan Ellis commented on CASSANDRA-8498:
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What does failing buy us, other than making it really obvious that there's a
problem? I'd prefer to log an error and skip the records involved but
otherwise start up normally.
> Replaying commit log records that are older than gc_grace is dangerous
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-8498
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8498
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Benedict
>
> If we replay commit log records that are older than gc_grace we could
> introduce data corruption to the cluster. We should either (1) fail and
> suggest a repair, or (2) log an exception. I prefer (1).
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