Re: Lucene Facets performance problems (version 4.7.2)

2016-02-27 Thread Simona Russo
Thanks for yours quick feedback. The problem happens by the customer and we trying to simulate it on our environments in order to figure out which part of the query is slow. I add some informations: - the facet *dimension* is composed by *2 categories* (for example "/cat1/cat2") and the *s

Re: Lucene Facets performance problems (version 4.7.2)

2016-02-26 Thread Rob Audenaerde
Hi Simona, In addition to Ericks' questions: Are you talking about *search* time or facet-collection time? And how many results are in your result set? I have some experience with collecting facets from large results set, these are typically slow (as they have to retrieve all the relevant facet

Re: Lucene Facets performance problems (version 4.7.2)

2016-02-26 Thread Shai Erera
Message- > > From: Erick Erickson [mailto:erickerick...@gmail.com] > > Sent: Friday, February 26, 2016 8:22 AM > > To: java-user > > Subject: Re: Lucene Facets performance problems (version 4.7.2) > > > > You haven't given us much to go on. What is the cardina

RE: Lucene Facets performance problems (version 4.7.2)

2016-02-26 Thread Uwe Schindler
sage- > From: Erick Erickson [mailto:erickerick...@gmail.com] > Sent: Friday, February 26, 2016 8:22 AM > To: java-user > Subject: Re: Lucene Facets performance problems (version 4.7.2) > > You haven't given us much to go on. What is the cardinality of the fields > you&#

Re: Lucene Facets performance problems (version 4.7.2)

2016-02-25 Thread Erick Erickson
You haven't given us much to go on. What is the cardinality of the fields you're faceting on? What does your query look like? How are you measuring time? What is the output if you add &debug=true? In short, your question is far too vague to give any meaningful information, there could be any of a

Lucene Facets performance problems (version 4.7.2)

2016-02-25 Thread Simona Russo
Hi all, we use Lucene *Facet* library version* 4.7.2.* We have an *index* with *45 millions *of documents (size about 15 GB) and a *taxonomy* index with *57* millions of documents (size about 2 GB). The total *facet search* time achieve *15 seconds*! Is it possible to improve this time? Is the