[jira] [Commented] (CASSANDRA-3598) Index Scan's will span across multiple DC's

["Vijay (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-3598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166381#comment-13166381 ] 

Vijay commented on CASSANDRA-3598:
----------------------------------

Thanks! and we do...
                
> Index Scan's will span across multiple DC's
> -------------------------------------------
>
>                 Key: CASSANDRA-3598
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3598
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.8
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>             Fix For: 0.8.9, 1.0.6
>
>         Attachments: 0001-super-simple-patch-3598.patch
>
>
> Looks like we send requests to all the nodes provided by StorageService.instance.getLiveNaturalEndpoints(keyspace, range.right);
> We dont filter it based on blockedFor (Consistency levels).
> In a multi DC setup this will cause unnecessary load on the other DC. And even within a DC we might query more nodes than needed.

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