I've used 30-35gb heaps and it is painful. Sent from my iPhone
On Dec 13, 2010, at 2:16 AM, "Danil ŢORIN" <torin...@gmail.com> wrote: > GC times on large heaps are pretty painfull right now (haven't tried > G1 collector, knowledgeable people : please advise) > > Also it's very dependent on your index and query pattern, so you could > improve it by using some -XX magic. > > My recommendation is to scale horizontally (spit index into shards), > this way you'll be able to scale up much easier than moving to even > beefier server. > Initially if your server is big enough, you may host all your shards > on it, just in separate jvms. > > If you are thinking on BIG indexes, you probably don't want to loose > them, so you also must think of replication, standbys and so on. > And from my experience overall cost (for same availability) is cheaper > when you use many smaller servers than few large ones. > > On Mon, Dec 13, 2010 at 09:01, Ganesh <emailg...@yahoo.co.in> wrote: >> Have you tried using Lucene in 64 Bit with more than 8 GB RAM. >> >> Regards >> Ganesh >> >> ----- Original Message ----- >> From: "Pradeep Singh" <pksing...@gmail.com> >> To: <java-user@lucene.apache.org> >> Sent: Monday, December 13, 2010 12:16 PM >> Subject: Re: Scale up design >> >> >>> 8GB is used on laptops. For servers you need more. >>> >>> On Sun, Dec 12, 2010 at 10:25 PM, Ganesh <emailg...@yahoo.co.in> wrote: >>> >>>> Hello all, >>>> >>>> I know little bit about scale out design, Sharding the database across >>>> systems. Is any one in this group tried Scale up architecture? I think to >>>> scale up, we need to use 64 bit. How about the Lucene performance in 64 >>>> bit? >>>> Whether we could use 8 GB RAM completely? >>>> >>>> Could any share their thoughts on this. >>>> >>>> Regards >>>> Ganesh >>>> Send free SMS to your Friends on Mobile from your Yahoo! Messenger. >>>> Download Now! http://messenger.yahoo.com/download.php >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >>>> For additional commands, e-mail: java-user-h...@lucene.apache.org >>>> >>>> >>> >> Send free SMS to your Friends on Mobile from your Yahoo! Messenger. Download >> Now! http://messenger.yahoo.com/download.php >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
