by monitoring the original and changed systems over long enough periods, where "long enough" is a parameter (to compute). Or then going really low-level, if you know which component has been changed (like they do in Lucene [1]; not always possible in Solr..)
[1] http://people.apache.org/~mikemccand/lucenebench/ On Thu, Aug 22, 2013 at 3:58 PM, Jean-Sebastien Vachon < jean-sebastien.vac...@wantedanalytics.com> wrote: > How can you validate that the changes you just made had any impact on the > performance of the cloud if you don't have the same starting conditions? > > What we do basically is running a batch of requests to warm up the index > and then launch the benchmark itself. That way we can measure the impact of > our change(s). Otherwise there is absolutely no way we can be sure who is > responsible for the gain or loss of performance. > > Restarting a cloud is actually a real pain, I just want to know if there > is a faster way to proceed. > > > -----Original Message----- > > From: Dmitry Kan [mailto:solrexp...@gmail.com] > > Sent: August-22-13 7:26 AM > > To: solr-user@lucene.apache.org > > Subject: Re: Flushing cache without restarting everything? > > > > But is it really a good benchmarking, if you flush the cache? Wouldn't > you > > want to benchmark against a system, that would be comparable to what is > > under real (=production) load? > > > > Dmitry > > > > > > On Tue, Aug 20, 2013 at 9:39 PM, Jean-Sebastien Vachon < jean- > > sebastien.vac...@wantedanalytics.com> wrote: > > > > > I just want to run benchmarks and want to have the same starting > > > conditions. > > > > > > > -----Original Message----- > > > > From: Walter Underwood [mailto:wun...@wunderwood.org] > > > > Sent: August-20-13 2:06 PM > > > > To: solr-user@lucene.apache.org > > > > Subject: Re: Flushing cache without restarting everything? > > > > > > > > Why? What are you trying to acheive with this? --wunder > > > > > > > > On Aug 20, 2013, at 11:04 AM, Jean-Sebastien Vachon wrote: > > > > > > > > > Hi All, > > > > > > > > > > Is there a way to flush the cache of all nodes in a Solr Cloud (by > > > reloading all > > > > the cores, through the collection API, ...) without having to > > > > restart > > > all nodes? > > > > > > > > > > Thanks > > > > > > > > > > > > > > > > > > > > > > > > ----- > > > > Aucun virus trouvé dans ce message. > > > > Analyse effectuée par AVG - www.avg.fr > > > > Version: 2013.0.3392 / Base de données virale: 3209/6563 - Date: > > > 09/08/2013 > > > > La Base de données des virus a expiré. > > > > > > > ----- > > Aucun virus trouvé dans ce message. > > Analyse effectuée par AVG - www.avg.fr > > Version: 2013.0.3392 / Base de données virale: 3209/6563 - Date: > 09/08/2013 > > La Base de données des virus a expiré. >
