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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-7982) Batch multiple range requests that are going to the same replica
Date Tue, 23 Sep 2014 21:35:34 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-7982.
---------------------------------------
    Resolution: Won't Fix

>  Batch multiple range requests that are going to the same replica
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-7982
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7982
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jay Patel
>            Assignee: Jay Patel
>             Fix For: 3.0
>
>         Attachments: output1.txt
>
>
> In case of VNode and secondary index query, coordinator sends multiple range requests
to the same replica. For example, in the attached tracing session (output1.txt), coordinator(192.168.51.22)
sends multiple requests to 192.168.51.25. Why can't we batch all the requests to the same
replica to avoid multiple round trips? I think this is not the issue with non-vnode cluster
where each node has one big range (+ replica ranges), instead of many small ranges.



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