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https://issues.apache.org/jira/browse/SOLR-7493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575913#comment-14575913
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ASF subversion and git services commented on SOLR-7493:
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Commit 1683946 from sha...@apache.org in branch 'dev/trunk'
[ https://svn.apache.org/r1683946 ]

SOLR-7493: Requests aren't distributed evenly if the collection isn't present 
locally

> Requests aren't distributed evenly if the collection isn't present locally
> --------------------------------------------------------------------------
>
>                 Key: SOLR-7493
>                 URL: https://issues.apache.org/jira/browse/SOLR-7493
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 5.0
>            Reporter: Jeff Wartes
>            Assignee: Shalin Shekhar Mangar
>         Attachments: SOLR-7493.patch, SOLR-7493.patch
>
>
> I had a SolrCloud cluster where every node is behind a simple round-robin 
> load balancer.
> This cluster had two collections (A, B), and the slices of each were 
> partitioned such that one collection (A) used two thirds of the nodes, and 
> the other collection (B) used the remaining third of the nodes.
> I observed that every request for collection B that the load balancer sent to 
> a node with (only) slices for collection A got proxied to one *specific* node 
> hosting a slice for collection B. This node started running pretty hot, for 
> obvious reasons.
> This meant that one specific node was handling the fan-out for slightly more 
> than two-thirds of the requests against collection B.



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