Are you getting the same, improved or worse performance/throughput? Has the bottleneck switched from IO to CPU?
-- Ian. On Thu, Nov 8, 2012 at 12:40 PM, kiwi clive <kiwi_cl...@yahoo.com> wrote: > Having played with merge parameters and various index parameters, it seems > possible to change the I/O usage at the cost of the number of index files. > However, it does appear that this version of lucene is using more CPU. Is > there any reason for this ? is it normal ? We can push a large amount of > documents through the indexer and it seams to work admirably although I would > be happier if the load average came down. > > Any lucene devs out there who could shed some light on this behaviour ? > > > Thanks, > Clive > > > ________________________________ > From: kiwi clive <kiwi_cl...@yahoo.com> > To: "java-user@lucene.apache.org" <java-user@lucene.apache.org> > Sent: Wednesday, November 7, 2012 10:58 AM > Subject: Lucene 3.6.0 high CPU usage > > Hi Guys, > > Having upgraded from lucene2.3.2 to lucene3.6.0 and jumping through a few > hoops, we note that the CPU usage on the new version is perhaps 20-30% > higher. The i/o wait appears about the same on both versions. > > Can anyone suggest why this should be so or is the newer lucene version just > more CPU hungry? If not, any tuning suggestions to reduce CPU usage would be > gratefully received ! > > Thanks > Clive --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
