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https://issues.apache.org/jira/browse/CASSANDRA-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744528#action_12744528
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Eric Evans commented on CASSANDRA-197:
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How is the client going to know the Partitioner, ReplicaPlacementStrategy, and
ReplicationFactor? Are non-java clients expected to re-implement the
Partitioner and ReplicaPlacementStrategy?
Unless I'm missing something, a token-to-node map doesn't seem very useful in
the general sense without these.
> Expose ring map to client for more direct access
> ------------------------------------------------
>
> Key: CASSANDRA-197
> URL: https://issues.apache.org/jira/browse/CASSANDRA-197
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Jun Rao
> Assignee: Jun Rao
> Attachments: issue197.patchv1
>
>
> For certain applications, it would be nice if a read is sent to a node that
> owns the data locally. This saves an extra network hop. To do that, a client
> will need to cache the ring map and use it to figure out the nodes owning a
> row.
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