: I'm just seeing if there's an easy/performant way of doing it with Solr. : For a solution with raw Lucene, creating a new index with the same : directory cleared out an old index (even on Windows with it's file : locking) quickly.
there has been talk of optimizing delete by query in the case of *:* to just reopen the index with the create flag set to true ... there just hasn't been a patch yet. -Hoss
