Re: Performance of cross join vs block join

2013-07-22 Thread Roman Chyla
From: Mikhail Khludnev mkhlud...@griddynamics.com To: solr-user solr-user@lucene.apache.org; mihaela olteanu mihaela...@yahoo.com Sent: Thursday, July 11, 2013 2:25 PM Subject: Re: Performance of cross join vs block join Mihaela, For me it's

Re: Performance of cross join vs block join

2013-07-12 Thread mihaela olteanu
-user@lucene.apache.org; mihaela olteanu mihaela...@yahoo.com 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

Re: Performance of cross join vs block join

2013-07-12 Thread Mikhail Khludnev
From: Mikhail Khludnev mkhlud...@griddynamics.com To: solr-user solr-user@lucene.apache.org; mihaela olteanu mihaela...@yahoo.com 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

Re: Performance of cross join vs block join

2013-07-12 Thread Roman Chyla
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, I looked into, it's

Re: Performance of cross join vs block join

2013-07-12 Thread Mikhail Khludnev
: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, I looked

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

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

Re: Performance of cross join vs block join

2013-07-11 Thread mihaela olteanu
) , it displays an empty page. Thanks, Mihaela From: Mikhail Khludnev mkhlud...@griddynamics.com To: solr-user solr-user@lucene.apache.org; mihaela olteanu mihaela...@yahoo.com Sent: Thursday, July 11, 2013 2:25 PM Subject: Re: Performance of cross join vs block join