Varun Thacker created SOLR-12067:

             Summary: AutoAddReplicas default 30 second wait time is too low
                 Key: SOLR-12067
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Varun Thacker

If I create a collection with autoAddReplicas=true in Solr 7.x a 
AutoAddReplicasPlanAction get's created with a waitFor=30 seconds

The default should be increased as a JVM which is down for more than 30seconds 
can cause the framework to add a new replica on another node

With HDFS this was a cheap operation as it only involved create a core and 
pointing it to the same index directory. 

But for non shared file systems, this is a very expensive operation and can 
potentially move large indexes around so maybe we should have a higher default

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