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https://issues.apache.org/jira/browse/SOLR-13329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Noble Paul reassigned SOLR-13329:
---------------------------------

    Assignee: Noble Paul

> Placing exact number of replicas on a set of solr nodes, instead of each solr 
> node.
> -----------------------------------------------------------------------------------
>
>                 Key: SOLR-13329
>                 URL: https://issues.apache.org/jira/browse/SOLR-13329
>             Project: Solr
>          Issue Type: Improvement
>          Components: AutoScaling
>    Affects Versions: master (9.0)
>            Reporter: Amrit Sarkar
>            Assignee: Noble Paul
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Let's say we have a requirement where we would like to place:
> {code}
> exact X replica on a set of solr nodes comprises of solr-node-1, solr-node-2, 
> ... solr-node-N.
> {code}
> e.g. exact 1 replica on either of the respective 3 solr nodes, solr-node-1, 
> solr-node-2, solr-node-3, and rest of the replicas can be placed on 
> corresponding solr nodes.
> Right now we don't have a straightforward manner of doing the same. 
> Autoscaling cluster policy also doesn't support such behavior, but instead 
> takes an array of solr node names and treat them as separate rules as per 
> https://lucene.apache.org/solr/guide/7_7/solrcloud-autoscaling-policy-preferences.html#sysprop-attribute.



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