Hi Mohandoss, I would check to see if thread increase is correlated to DBQ since it does not play well with concurrent indexing: http://www.od-bits.com/2018/03/dbq-or-delete-by-query.html <http://www.od-bits.com/2018/03/dbq-or-delete-by-query.html>
HTH, Emir -- Monitoring - Log Management - Alerting - Anomaly Detection Solr & Elasticsearch Consulting Support Training - http://sematext.com/ > On 5 Apr 2018, at 10:59, Doss <itsmed...@gmail.com> wrote: > > Hi Emir, > > We do fire delete queries but that is very very minimal. > > Thanks! > Mohandoss > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html