[jira] [Created] (SOLR-12511) Support non integer values for replica in autoscaling rules

["Noble Paul (JIRA)" <ji...@apache.org>]

Noble Paul created SOLR-12511:
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             Summary: 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)
            Reporter: Noble Paul
            Assignee: Noble Paul


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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