Doc values (your option 3) is the right way to sort by time. Index it with whatever precision you need, e.g. msec since epoch as a long NumericDocValuesField.
Mike McCandless http://blog.mikemccandless.com On Mon, Mar 13, 2017 at 9:53 AM, aravinth thangasami < aravinththangas...@gmail.com> wrote: > I am indexing a time field. I need to get the latest results and my index > contains millions of documents with frequent updates almost 90% of the > index updates. > > > option 1: > > To index the time as string > > option 2: > > To index the time field as Number > > option 3: > > To index the time field as DocValue > > > Which option will be the best approach ?? > > > Thanks > Aravinth >
