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https://issues.apache.org/jira/browse/CASSANDRA-16843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17400410#comment-17400410
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Paulo Motta commented on CASSANDRA-16843:
-----------------------------------------

bq.  For trunk I think we should probably refactor snapshot handling altogether 
to dissolve the marriage between CFs and snapshots a bit, but for existing 
versions I'm not sure what the least invasive way of reworking this is yet.

We've been going towards this direction on CASSANDRA-16451 by centralizing 
snapshot management on a `SnapshotManager` module decoupled from CFS, but so 
far restricted to snapshots created with TTL. Myself and [~stefan.miklosovic] 
plan to extend this to "legacy" snapshots after that work is finished which 
will make it easier to solve this issue on trunk/4.1. 

> auto-snapshots for dropped tables don't appear in nodetool listsnapshots
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-16843
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16843
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Other
>            Reporter: James Brown
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 3.11.x, 4.0.x
>
>
> Auto snapshots from dropped tables don't seem to show up in {{nodetool 
> listsnapshots}} (even though they do get cleared by {{nodetool 
> clearsnapshot}}). This makes them kind of annoying to clean up, since you 
> need to muck about in the data directory to find them.
> Erick on the mailing list said that this seems to be an oversight and that 
> clearsnapshot was fixed by 
> [CASSANDRA-6418|https://issues.apache.org/jira/browse/CASSANDRA-6418].
> I reproduced this both on 3.11.11 and 4.0.0.



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