The first time sort on a particular field is normally slow. Subsequent sorts on the same field should be just as fast.
-Yonik On Mon, Mar 17, 2008 at 4:42 PM, Jae Joo <[EMAIL PROTECTED]> wrote: > I have 30 millions document indexed and tried sort by "sequenceid" which is > unique over the document. > I am experiencing "very slow" than sort by pub_date. > sequenceid is not defined as "unique key" in the schema.xml and there is the > "unique key" defined in schema.xml - item_id. > > Anyone knows why? > > Thanks, > > Jae >