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https://issues.apache.org/jira/browse/CASSANDRA-6477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14503291#comment-14503291
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Aleksey Yeschenko commented on CASSANDRA-6477:
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bq. Why not call the feature "high cardinality index" since that's the use case
it is focused on, right?
As I see it, the focus is on making denormalization trivial, not on indexing -
which is why I agree with Sylvain that we should drop the KEYS-only part, and
why 'index' in the name is misleading.
> 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
>
>
> 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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