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From "Michael Keeney (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9056) Tombstoned SSTables are not removed past max_sstable_age_days when using DTCS
Date Fri, 27 Mar 2015 18:20:53 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14384288#comment-14384288
] 

Michael Keeney commented on CASSANDRA-9056:
-------------------------------------------

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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