No, you don't need a key for append-only usage. Lucene itself doesn't care if you have a unique key per document, and in fact it's very costly, especially if your documents are otherwise tiny, to add one if you don't really need it.
Mike McCandless http://blog.mikemccandless.com On Mon, Sep 12, 2016 at 5:42 AM, Cam Bazz <camb...@gmail.com> wrote: > Hello, > > Do I need to add a key, if I will not be > > a. updating the document > b. will not fetch the document by key? > > What could be the possible downside of not using a key that uniquely > identifies the document? > > I am building a log processor, and all I will do is sort and iterate. > > Best regards, > C. --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
