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https://issues.apache.org/jira/browse/CASSANDRA-9917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709363#comment-14709363
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Aleksey Yeschenko commented on CASSANDRA-9917:
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Committed as
[d0e8ba4947d3e7804421869bcd1997ca6aad3840|https://github.com/apache/cassandra/commit/d0e8ba4947d3e7804421869bcd1997ca6aad3840]
to cassandra-3.0 and merged with trunk, thanks.
> MVs should validate gc grace seconds on the tables involved
> -----------------------------------------------------------
>
> Key: CASSANDRA-9917
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9917
> Project: Cassandra
> Issue Type: Bug
> Reporter: Aleksey Yeschenko
> Assignee: Paulo Motta
> Labels: docs-impacting, materializedviews
> Fix For: 3.0 beta 2
>
>
> For correctness reasons (potential resurrection of dropped values), batchlog
> entries are TTLs with the lowest gc grace second of all the tables involved
> in a batch.
> It means that if gc gs is set to 0 in one of the tables, the batchlog entry
> will be dead on arrival, and never replayed.
> We should probably warn against such LOGGED writes taking place, in general,
> but for MVs, we must validate that gc gs on the base table (and on the MV
> table, if we should allow altering gc gs there at all), is never set too low,
> or else.
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