Only way I know is in elassandra <>.
You spin nodes in dc1 as elassandra (having data + indexes) and in dc2 as
cassandra (having only data).

On Sun, Sep 18, 2016 at 5:43 PM, Bhuvan Rawal <> wrote:

> Hi,
> Is it possible to have secondary indices (SASI or native ones) defined on
> a table restricted to a particular DC? For instance it is very much
> possible in mysql to have a parent server on which writes are being done
> without any indices (other than the required ones), and to have indices on
> replica db's, this helps the parent database to be lightweight and free
> from building secondary index on every write.
> For analytics & auditing purposes it is 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.
> What could be the potential means to solve this problem inside of
> cassandra (Not having to ship off the data into elasticsearch etc).
> Best Regards,
> Bhuvan

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