Thanks, Karl. Do you know if 290k articles and 234 million words is a large lucene index or a medium one? Do people build them this big all the time?
Thanks! On 8/12/07, karl wettin <[EMAIL PROTECTED]> wrote: > > > 12 aug 2007 kl. 09.03 skrev lucene user: > > > If I have an index with 111k articles and 90 million words indexed, > > how much > > RAM should I have to get really fast access speeds? > > > > If I have an index with 290k articles and 234 million words > > indexed, how > > much RAM should I have to get really fast access speeds? > > Define really fast. > > I say you need 1.3x as much RAM as the size of your FSDirectory to > ensure that the file system cache is never flushed out. But it also > depends on user load. Each thread consumes RAM and CPU. > > In order to really find out, setup the benchmarker to run on your > index, and limit the amount of memory your file system chache and JVM > is allowed. > > > Any other advice about sizing a server? > > What other info do you need to have to help size the server? > > Sizing? > > > Does it matter if the server has a 64 bit processor? > > In a 64 bit environment a reference to an instance consumes twice as > much RAM as in a 32 bit environment. It should not affect a file > centric Lucene store (Directory), Your OS and your application that > use Lucene might be consuming some more resources though. Again, > benchmark. > > > Speed of processor important? > > Yes. > > > Speed of disks? > > May or may not be intersting depending on how much RAM you have. > > > > -- > karl > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
