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https://issues.apache.org/jira/browse/SOLR-12511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cassandra Targett updated SOLR-12511:
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Component/s: AutoScaling
> Support non integer values for replica in autoscaling rules
> -----------------------------------------------------------
>
> Key: SOLR-12511
> URL: https://issues.apache.org/jira/browse/SOLR-12511
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Noble Paul
> Assignee: Noble Paul
> Priority: Major
>
> This means the user can configure a decimal value in replica
> example :
> {code:json}
> {"replica": 1.638, "node":"#ANY"}
> {code}
> This means a few things. The no:of of replicas in a node can be either 2 or
> 1. This also means that violations are calculated as follows
> * If the replica count is 1 or 2 there are no violations
> * If the replica count is 3, there is a violation and the delta is
> *{{3-1.638 = 1.362}}*
> * if the replica count is 0, there is a violation and the delta is *{{1.638
> - 0 = 1.638}}*
> * This also means that the node with zero replicas has a *more serious*
> violation and the system would try to rectify that first before it address
> the node with 3 replicas
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