James Berragan created CASSSIDECAR-220:
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Summary: 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
Reporter: James Berragan
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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