According to the concept of immutability that should drive Lucene segmenting approach, I think Emir observation sounds correct.
Being docValues a column based data structure, stored on segments i guess when an in place update happens it does just a re-index of just that field. This means we need to write a new segment containing the information and potentially merge it if it is flushed to the disk. ----- --------------- Alessandro Benedetti Search Consultant, R&D Software Engineer, Director Sease Ltd. - www.sease.io -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html