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https://issues.apache.org/jira/browse/CASSANDRA-9056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14384288#comment-14384288
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Michael Keeney commented on CASSANDRA-9056:
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Noticed this when looking at getFullyExpiredSSTables in CompactionController.
We calculate dropping SSTables from the "compacting" set, which isn't using
tables past max_sstable_age_days in DTCS according to the docs.
> Tombstoned SSTables are not removed past max_sstable_age_days when using DTCS
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-9056
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9056
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Shawn Kumar
> Assignee: Marcus Eriksson
> Labels: compaction, dtcs
>
> When using DTCS, tombstoned sstables past max_sstable_age_days are not
> removed by minor compactions. I was able to reproduce this manually and also
> wrote a dtest (currently failing) which reproduces this issue:
> dtcs_deletion_test in compaction_test.py. I tried applying the patch in
> CASSANDRA-8359 but found that the test still fails with the same issue.
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