Thanks for the detail Dave! > One thing I have planned for the future is adding the ability > to autoload all the indexes
Awesome - this sounds like just what I'm looking for. Cheers, Nev > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:ferret-talk- > [EMAIL PROTECTED] On Behalf Of David Balmain > Sent: Tuesday, 6 March 2007 2:33 PM > To: [email protected] > Subject: Re: [Ferret-talk] Warming up a new Searcher/Reader (Ferret > 0.10.9win32) > > On 3/5/07, Neville Burnell <[EMAIL PROTECTED]> wrote: > > > > > > > > Hi, > > > > I have a largish index [700MB] which is updated from time to time, > > requiring me to close and recreate the Ferret::Search::Searcher to > use the > > latest index. > > > > My problem is that the first few searches on the new index are slow > [by > > comparison to before the close/recreate], I'm guessing because the > new index > > is being loaded into RAM by my OS and into Ferret as needed. > > > > I'm thinking of "warming up" the OS and Ferret by processing a query > or two, > > and I'd appreciate any details about the way Ferret loads the index, > so that > > I can construct a good "warm up" query. > > Hi Neville, > > Ferret loads the index for each field when it is searched. So if you > only search one field, only that field's index will be loaded. > > Once each fields index is loaded, ferret should be fully warmed up as > far as simple queries like phrase and boolean go. If you are sorting > search results, then sort indexes will also need to be built. A new > sort index is built for each sorted field depending on sort type (int, > float, string, byte) and sort direction (normal and reverse). So if > you are sorting your search results you will also need to try each > type of sort that you might use to warm up that part of the index. > > That's all I can think of at the moment. One thing I have planned for > the future is adding the ability to autoload all the indexes and to > save sort indexes rather than building them each time you open an > index reader. > > Cheers, > Dave > > -- > Dave Balmain > http://www.davebalmain.com/ > _______________________________________________ > Ferret-talk mailing list > [email protected] > http://rubyforge.org/mailman/listinfo/ferret-talk _______________________________________________ Ferret-talk mailing list [email protected] http://rubyforge.org/mailman/listinfo/ferret-talk

