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https://issues.apache.org/jira/browse/CASSANDRA-12663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847262#comment-15847262
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Justin Cameron commented on CASSANDRA-12663:
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+1. This would be great
> Allow per DC segregation, grant user to create different indices per
> datacenter on tables
> -----------------------------------------------------------------------------------------
>
> Key: CASSANDRA-12663
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12663
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Bhuvan Rawal
>
> For analytics & auditing purposes it becomes essential to serve different
> access patterns than that modeled from a partition key fetch perspective,
> although a limited reads are needed by users but if enabled cluster wide it
> will require index write for every row written on that table on every single
> node on every DC even the one which may be serving read operations. A user
> may not want to have indices built on Transactional DC on every write, that
> computation and disk utilization may not be useful as the Analytics may
> possibly be performed on other DC.
> It will be a plus to have analytics / auditing workload built inside
> Cassandra itself using native secondary indices / SASI indices / Stratio by
> creating indices for a specific datacenter and not having to ship off data to
> other index stores like Elasticsearch through application.
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