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https://issues.apache.org/jira/browse/CASSANDRA-16451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17313586#comment-17313586
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maxwellguo commented on CASSANDRA-16451:
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[~paulo] so I think besides just add a option when make snapshot ,we also need
to doing some setting when truncate table (if the table will make a snapshot
when the table is truncated). And this setting may be of table level. Different
table should be of different snapshot ttl .
what is your opinion ？ [~paulo][~clohfink][~fibersel]
> 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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