On Wed, Feb 11, 2015 at 11:20 AM, Jonathan Haddad <j...@jonhaddad.com> wrote:

> It could, because the tombstones that mark data deleted may have been
> removed.  There would be nothing that says "this data is gone".
>
> If you're worried about it, turn up your gc grace seconds.  Also, don't
> revive nodes back into a cluster with old data sitting on them.
>

Also, run cleanup after range movements :

https://issues.apache.org/jira/browse/CASSANDRA-7764

=Rob

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