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https://issues.apache.org/jira/browse/CASSANDRA-17001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17451951#comment-17451951
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Josh McKenzie commented on CASSANDRA-17001:
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Had one other nit / question / thought, but otherwise LGTM. +1
> Optionally prune CDC segments if consumer fails to consume them fast enough
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-17001
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17001
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Commit Log
> Reporter: Dinesh Joshi
> Assignee: Yifan Cai
> Priority: Normal
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Current CDC implementation blocks writes if the CDC segments have filled up.
> This makes sense for some use-cases. In other cases it would be beneficial
> for C* to prune the CDC segments if they haven't been consumed. This will
> prevent blocking of writes. With this change we will introduce a flag to
> prune CDC segments much like a circular buffer. This will prevent the writes
> being blocked.
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