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
> > >
> > >
> > >
> > >
> > >
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