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https://issues.apache.org/jira/browse/CASSSIDECAR-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17942311#comment-17942311
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Bernardo Botella Corbi commented on CASSSIDECAR-220:
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+1 as well
> Add a Sidecar period task to monitor and delete commit log segments in the
> cdc_raw directory
> --------------------------------------------------------------------------------------------
>
> Key: CASSSIDECAR-220
> URL: https://issues.apache.org/jira/browse/CASSSIDECAR-220
> Project: Sidecar for Apache Cassandra
> Issue Type: New Feature
> Components: Build
> Reporter: James Berragan
> Assignee: James Berragan
> Priority: Normal
> Fix For: 1.0
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> For users of CDC it can be dangerous to allow the cdc_raw directory to grow
> indefinitely without clean-up. The CDC feature in Cassandra can cause writes
> to block if the cdc_raw directory reaches the cdc_total_space threshold. This
> feature will monitor the commit log segments in the cdc_raw directory and
> delete the oldest to keep the space usage below cdc_total_space threshold and
> alert when there is insufficient space to keep up with a certain time-window
> (i.e. if the buffer cannot keep less than 15 minutes or 1 -hour of mutations
> then alert).
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