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https://issues.apache.org/jira/browse/CASSANDRA-6477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14616866#comment-14616866
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Jack Krupansky commented on CASSANDRA-6477:
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1. Are MV updates still eventually consistent (not guaranteed)?

2. Is there any way for the app to assure that the MV update have been 
completed to some desired CL?

3. Will a repair to the base table assure that all MV are consistent?

4. Can a single MV be repaired to assure that it is consistent? (Especially 
since the data for a MV on a node will be derived from data on other nodes due 
to differences in the partition keys.)

Great to see such an exciting new feature take shape!


> 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
>
>         Attachments: test-view-data.sh
>
>
> 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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