No, we just upgraded to 4.2.1. With the size of our complex and effort required apply our patches and rollout, our upgrades are not that often.
-----Original Message----- From: Noureddine Bouhlel <nouredd...@ecotour.com> To: solr-user <solr-user@lucene.apache.org> Sent: Mon, May 20, 2013 3:36 pm Subject: Re: Upgrading from SOLR 3.5 to 4.2.1 Results. Hi Rishi, Have you done any tests with Solr 4.3 ? Regards, Cordialement, BOUHLEL Noureddine On 17 May 2013 21:29, Rishi Easwaran <rishi.easwa...@aol.com> wrote: > > > Hi All, > > Its Friday 3:00pm, warm & sunny outside and it was a good week. Figured > I'd share some good news. > I work for AOL mail team and we use SOLR for our mail search backend. > We have been using it since pre-SOLR 1.4 and strong supporters of SOLR > community. > We deal with millions indexes and billions of requests a day across our > complex. > We finished full rollout of SOLR 4.2.1 into our production last week. > > Some key highlights: > - ~75% Reduction in Search response times > - ~50% Reduction in SOLR Disk busy , which in turn helped with ~90% > Reduction in errors > - Garbage collection total stop reduction by over 50% moving application > throughput into the 99.8% - 99.9% range > - ~15% reduction in CPU usage > > We did not tune our application moving from 3.5 to 4.2.1 nor update java. > For the most part it was a binary upgrade, with patches for our special > use case. > > Now going forward we are looking at prototyping SOLR Cloud for our search > system, upgrade java and tomcat, tune our application further. Lots of fun > stuff :) > > Have a great weekend everyone. > Thanks, > > Rishi. > > > > >
