Wow, 72 cores? That sounds astounding. Are they dual Xeon E5 2699 v3 CPUs with 18 cores each, with hyperthreading = 18*2*2=72 threads?
On Thu, Apr 14, 2016 at 11:33 PM, Dawid Weiss <dawid.we...@gmail.com> wrote: > The GC change is after this: > > BJ (2015-12-02): Upgrade to beast2 (72 cores, 256 GB RAM) > > which leads me to believe these results are not comparable (different > machines, architectures, disks, CPUs perhaps?). > > Dawid > > > On Thu, Apr 14, 2016 at 7:13 PM, Otis Gospodnetić > <otis.gospodne...@gmail.com> wrote: > > Hi, > > > > I was looking at Mike's > > http://home.apache.org/~mikemccand/lucenebench/indexing.html secretly > > hoping to spot some recent improvements in indexing throughput.... but > > instead it looks like: > > > > * indexing throughput hasn't really gone up in the last ~5 years > > * indexing was faster in 2014, but then dropped to pre-2014 speed in > early > > 2015 > > * indexing rate dropped some more in early 2016, and that seems to > roughly > > correlate to a *big* jump in Young GC in late 2015 > > > > Does anyone know what happened in late 2015 that causes that big Young GC > > jump? > > Or does that big jump just look scary in that chart, but is not actually > a > > big concern in practice? > > > > Thanks, > > Otis > > -- > > Monitoring - Log Management - Alerting - Anomaly Detection > > Solr & Elasticsearch Consulting Support Training - http://sematext.com/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
