compact ion will just merge duplicate data and remove delete data in this
node .if you add or remove one node for the cluster, I think clean up is
needed. if clean up failed, I think we should come to see the reason.

Runtian Liu <curly...@gmail.com> 于2023年5月5日周五 06:37写道:

> Hi all,
>
> Is cleanup the sole method to remove data that does not belong to a
> specific node? In a cluster, where nodes are added or decommissioned from
> time to time, failure to run cleanup may lead to data resurrection issues,
> as deleted data may remain on the node that lost ownership of certain
> partitions. Or is it true that normal compactions can also handle data
> removal for nodes that no longer have ownership of certain data?
>
> Thanks,
> Runtian
>


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