Hi Markus, You can set reclaimDeletesWeight in merge settings to some higher value than default (I think it is 2) to favor segments with deleted docs when merging.
HTH, Emir -- Monitoring - Log Management - Alerting - Anomaly Detection Solr & Elasticsearch Consulting Support Training - http://sematext.com/ > On 4 Oct 2017, at 13:31, Markus Jelsma <markus.jel...@openindex.io> wrote: > > Hello, > > Using a 6.6.0, i just spotted one of our collections having a core of which > over 80 % of the total number of documents were deleted documents. > > It has <mergePolicyFactory > class="org.apache.solr.index.TieredMergePolicyFactory"/> configured with no > non-default settings. > > Is this supposed to happen? How can i prevent these kind of numbers? > > Thanks, > Markus
