Generally best to let the OS do it. Having plenty of spare RAM is good.
-- Ian. On Tue, Apr 20, 2010 at 6:16 AM, Chris B <[email protected]> wrote: > Mike cheers for the reply. > > Is it worth setting up your own caching or letting the OS do it? I've setup > a caching system, but if the OS is doing it it seems pointless. > > Chris > > ----- Original Message ----- From: "Michael McCandless" > <[email protected]> > To: <[email protected]> > Sent: Tuesday, April 20, 2010 2:17 AM > Subject: Re: Doc Caching > > > No, Lucene doesn't. But the OS usually does (in is IO cache), > assuming there is spare RAM. > > The "only" things that are explicitly held in memory by Lucene are the > norms ("boost bytes"), terms dict index, deletions bit vector and > field cache (used eg when you sort by a field), I think. > > Mike > > On Fri, Apr 16, 2010 at 2:16 AM, Chris B <[email protected]> wrote: >> >> Hi >> >> Does Lucene cache the documents it retrieves? If so in which object? >> >> Chris >> >> ____________________________________________________________ >> GET FREE 5GB EMAIL - Check out spam free email with many cool features! >> Visit http://www.inbox.com/email to find out more! >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [email protected] >> For additional commands, e-mail: [email protected] >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
