In general, AND will perform better than OR (because of skipping in the scorers). But if the number of documents matching the AND is close to that matching the OR query, then skipping doesn't gain you much and probably has a little more overhead.
-Yonik On Sun, May 11, 2008 at 4:04 AM, Lars Kotthoff <[EMAIL PROTECTED]> wrote: > Dear list, > > during some performance experiments I have found that queries with ORed > search > terms are significantly faster than queries with ANDed search terms, > everything > else being equal. > > Does anybody know whether this is the generally expected behaviour? > > Thanks, > > Lars >
