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https://issues.apache.org/jira/browse/CASSANDRA-17180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17526467#comment-17526467
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Stefan Miklosovic commented on CASSANDRA-17180:
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I think we need to really place it to a data dir because /tmp is not durable 
enough and other Cassandra dir might not be writable. The only durable & 
writable is data dir.

> Implement startup check to prevent Cassandra start to spread zombie data
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-17180
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17180
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Legacy/Observability
>            Reporter: Stefan Miklosovic
>            Assignee: Stefan Miklosovic
>            Priority: Normal
>          Time Spent: 9.5h
>  Remaining Estimate: 0h
>
> As already discussed on ML, it would be nice to have a service which would 
> periodically write timestamp to a file signalling it is up / running.
> Then, on the startup, we would read this file and we would determine if there 
> is some table which gc grace is behind this time and we would fail the start 
> so we would prevent zombie data to be likely spread around a cluster.
> https://lists.apache.org/thread/w4w5t2hlcrvqhgdwww61hgg58qz13glw



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