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https://issues.apache.org/jira/browse/CASSANDRA-16451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17308209#comment-17308209
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Abuli Palagashvili commented on CASSANDRA-16451:
------------------------------------------------

[~paulo] Very nice!
Can you please tell me, where I can write design documentation?
I will take 
[CASSANDRA-14582|https://issues.apache.org/jira/browse/CASSANDRA-14582] as 
first issue.Can you please guide me on how to commit changes?Should I work with 
github's mirror repo or with gitbox origin?

> Add ability to ttl snapshots
> ----------------------------
>
>                 Key: CASSANDRA-16451
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16451
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tool/nodetool
>            Reporter: Paulo Motta
>            Priority: Normal
>              Labels: gsoc2021, mentor
>
> It should be possible to add a TTL to snapshots, after which it automatically 
> cleans itself up.
> This will be useful together with the {{auto_snapshot}} option, where you 
> want to keep an emergency snapshot in case of accidental drop or truncation 
> but automatically remove it after a specified period when it's no longer 
> useful. So in addition to allowing a user to specify a snapshot ttl on 
> {{nodetool snapshot}} we should have a {{auto_snapshot_ttl}} option that 
> allows a user to set a ttl for automatic snaphots on drop/truncate.



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