Re: Performance of cross join vs block join

2013-07-22 Thread Roman Chyla
>> and growing very fast! It takes lucene 30s to do the search that >>>>>> selects 1M >>>>>> hits. >>>>>> >>>>>> The comparison is against our own implementation of a similar search >>>>>> - but >>&

Re: Performance of cross join vs block join

2013-07-12 Thread Mikhail Khludnev
blockjoin. > > > > > > > > > > Could you point me to some more documentation? > > > > > > > I can recommend only those > > > > > http://blog.mikemccandless.com/2012/01/searching-relational-content-with.html > > http://www.youtu

Re: Performance of cross join vs block join

2013-07-12 Thread Roman Chyla
jWH0 > > > > Thanks in advance, > > Mihaela > > > > > > > > From: Mikhail Khludnev > > To: solr-user ; mihaela olteanu < > > mihaela...@yahoo.com> > > Sent: Thursday, July 11, 2013 2:25 PM > > Sub

Re: Performance of cross join vs block join

2013-07-12 Thread Mikhail Khludnev
w.youtube.com/watch?v=-OiIlIijWH0 > Thanks in advance, > Mihaela > > > > From: Mikhail Khludnev > To: solr-user ; mihaela olteanu < > mihaela...@yahoo.com> > Sent: Thursday, July 11, 2013 2:25 PM > Subject: Re: Performance of cross join vs block jo

Re: Performance of cross join vs block join

2013-07-12 Thread mihaela olteanu
Sent: Thursday, July 11, 2013 2:25 PM Subject: Re: Performance of cross join vs block join Mihaela, For me it's reasonable that single core join takes the same time as cross core one. I just can't see which gain can be obtained from in the former case. I hardly able to comment join code

Re: Performance of cross join vs block join

2013-07-11 Thread mihaela olteanu
hing this topic) , it displays an empty page. Thanks, Mihaela From: Mikhail Khludnev To: solr-user ; mihaela olteanu Sent: Thursday, July 11, 2013 2:25 PM Subject: Re: Performance of cross join vs block join Mihaela, For me it's reasonable that single

Re: Performance of cross join vs block join

2013-07-11 Thread Mikhail Khludnev
Mihaela, For me it's reasonable that single core join takes the same time as cross core one. I just can't see which gain can be obtained from in the former case. I hardly able to comment join code, I looked into, it's not trivial, at least. With block join it doesn't need to obtain parentId term v

Performance of cross join vs block join

2013-07-11 Thread mihaela olteanu
Hello, Does anyone know about some measurements in terms of performance for cross joins compared to joins inside a single index? Is it faster the join inside a single index that stores all documents of various types (from parent table or from children tables)with a discriminator field compared