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https://issues.apache.org/jira/browse/CASSANDRA-6477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14554344#comment-14554344
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Carl Yeksigian commented on CASSANDRA-6477:
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bq. Can someone clarify whether, based on the current implementation, the
Materialized View (or some of the Materialized Views, if there are more than
one) can contain the mutation but the base table does not - or vice versa?
That's something that is still under development, hence the comments above that
it is an outstanding issue. We're trying very hard to ensure that the
materialized view that we ship is very unlikely to have a mutation in the base
table which isn't in the view.
> Materialized Views (was: Global Indexes)
> ----------------------------------------
>
> Key: CASSANDRA-6477
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6477
> Project: Cassandra
> Issue Type: New Feature
> Components: API, Core
> Reporter: Jonathan Ellis
> Assignee: Carl Yeksigian
> Labels: cql
> Fix For: 3.0 beta 1
>
>
> Local indexes are suitable for low-cardinality data, where spreading the
> index across the cluster is a Good Thing. However, for high-cardinality
> data, local indexes require querying most nodes in the cluster even if only a
> handful of rows is returned.
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