You can try to tweak solr.xml
coreLoadThreads Specifies the number of threads that will be assigned to load cores in parallel. https://lucene.apache.org/solr/guide/7_6/format-of-solr-xml.html > > > -----Original Message----- > > From: Hendrik Haddorp [mailto:hendrik.hadd...@gmx.net] > > Sent: Friday, January 25, 2019 11:39 AM > > To: solr-user@lucene.apache.org > > Subject: SolrCloud recovery > > > > Hi, > > > > I have a SolrCloud with many collections. When I restart an instance and > > the replicas are recovering I noticed that number replicas recovering at > > one point is usually around 5. This results in the recovery to take > > rather long. Is there a configuration option that controls how many > > replicas can recover in parallel? > > > > thanks, > > Hendrik
