I have indexed about 1M documents. My backup ZIP file of the index was
After a while I needed to delete about 20% of the documents, the process
went fine, and I don't see the deleted documents in search results.
But the back up file still has almost the same size (actually even little
Which makes me think that the deleted documents are not actually removed
but marked somehow as deleted.
Am I right? And if so, is it possible to clean up somehow the index from
the deleted documents without complete reindex. Because I expect some
extensive rotation of the indexed documents and I need to know if I need to
reindex documents from time to time to keep the index in reasonable size.