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https://issues.apache.org/jira/browse/CASSANDRA-6105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800750#comment-13800750
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Jonathan Ellis commented on CASSANDRA-6105:
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If you're going to do this, you should use the existing indexing hooks instead
of reinventing them.
> Cassandra Triggers to execute on replicas
> -----------------------------------------
>
> Key: CASSANDRA-6105
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6105
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Michael
> Priority: Minor
>
> We would like to keep ElasticSearch eventually consistent across data centers
> while keeping ElasticSearch clusters local to each data center. The idea is,
> utilize Cassandra to replicate data across data centers and use triggers to
> kick off an event which would populate data into ElasticSearch Clusters. Thus
> keeping disperse ElasticSearch clusters eventually consistent while not
> extending ElasticSearch across data centers.
> That in mind, it would be very useful if a trigger could be made to execute
> on every replica. Or at least one replica per data center.
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