Bhuvan Rawal created CASSANDRA-12663:
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Summary: Allowing per DC segregation of schema, allowing 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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