On Wed, Aug 26, 2009 at 12:47 PM, Daniel Shane<sha...@lexum.umontreal.ca> wrote: > Humm... there is something I dont catch.. > > When you open up an index writer, you batch up add and deletes. Now if you > create a signature for the document, as long as you add it works, but what > happens if you delete stuff from the index using a query as well as adding? > > Does Solr also remember the deletions as well?
It used to - but now it delegates all that to IndexWriter as well (and lucene buffers them instead). -Yonik http://www.lucidimagination.com > Daniel Shane > > Yonik Seeley wrote: >> >> On Fri, Aug 21, 2009 at 12:49 AM, Chris >> Hostetter<hossman_luc...@fucit.org> wrote: >> >>> >>> : But in that case, I assume Solr does a commit per document added. >>> >>> not at all ... it computes a signature and then uses that as a unique >>> key. >>> IndexWriter.updateDocument does all the hard work. >>> >> >> Right - Solr used to do that hard work, but we handed that over to >> Lucene when that capability was added. It involves batching either >> way (but letting Lucene handle it at a lower level is "better" since >> it can prevent inconsistencies from crashes). >> >> -Yonik >> http://www.lucidimagination.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
