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https://issues.apache.org/jira/browse/CASSANDRA-12956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15709291#comment-15709291
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Joshua McKenzie commented on CASSANDRA-12956:
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[~blambov] to review.
> CL is not replayed on custom 2i exception
> -----------------------------------------
>
> Key: CASSANDRA-12956
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12956
> Project: Cassandra
> Issue Type: Bug
> Reporter: Alex Petrov
> Assignee: Alex Petrov
> Priority: Critical
>
> If during the node shutdown / drain the custom (non-cf) 2i throws an
> exception, CommitLog will get correctly preserved (segments won't get
> discarded because segment tracking is correct).
> However, when it gets replayed on node startup, we're making a decision
> whether or not to replay the commit log. CL segment starts getting replayed,
> since there are non-discarded segments and during this process we're checking
> whether there every [individual
> mutation|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L215]
> in commit log is already committed or no. Information about the sstables is
> taken from [live sstables on
> disk|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/commitlog/CommitLogReplayer.java#L250-L256].
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