Please see https://solr.apache.org/guide/8_9/stream-decorator-reference.html#delete
Jan > 12. aug. 2021 kl. 21:05 skrev mtn search <search...@gmail.com>: > > Hello, > > I have heard that there can be issues when using the Solr delete by query > approach ( <delete><query>*:*</query></delete>) for large sets of > documents. That it may block other indexing activities... > > I have also heard that using Solr Streaming Expressions would be a better > approach, more efficient for large doc sets to be deleted. I did a quick > search for the syntax of a streaming expression for delete, but did not > find it. Any tips on how to construct this expression? > > Thanks, > Matthew
