The new Parallell SQL feature of 6.0? Also query-time on top of streaming, don’t know performance...
-- Jan Høydahl, search solution architect Cominvent AS - www.cominvent.com > 1. feb. 2016 kl. 07.37 skrev Sathyakumar Seshachalam > <[email protected]>: > > Thanks, query time joins are not an option for me, because of the size of > the index and hence the join performance, > I will look at Siren. > > > On 29/01/16, 10:16 PM, "Alessandro Benedetti" <[email protected]> > wrote: > >> Probably if you are interested in a many-to-many relation, you could be >> interested in the query time join. >> it has been the first type of join integrated in Solr. >> It allow you to avoid redundancies. >> It's slower than block join, but it doesn't force you to any specific >> indexing approach. >> It became less and less popular but there are scenario could be useful ! >> >> Take a look to Siren as well, it could be interesting, not sure it will >> help you as Siren will duplicate nested documents. >> Cheers >> >> On 29 January 2016 at 15:32, Jack Krupansky <[email protected]> >> wrote: >> >>> If you wish to change, add, or delete a child or change the parent you >>> must >>> do an add of the entire block again with both the parent and all >>> children. >>> This is because the efficiency of Block Join comes from the documents >>> being >>> adjacent in Lucene and segments are immutable in Lucene, so the entire >>> block must be written to a new segment. >>> >>> >>> -- Jack Krupansky >>> >>> On Fri, Jan 29, 2016 at 5:13 AM, Sathyakumar Seshachalam < >>> [email protected]> wrote: >>> >>>> Hi, >>>> >>>> Am trying to investigate the possibility of using Block Join query >>> parser >>>> in a many-to-many relation scenario. >>>> Observation is that when a document is added as a child to more than >>> one >>>> parent document (I use Solrj to do this), I seem to get two copies of >>> the >>>> child document. Can this be avoided ? Is this per design ? >>>> Are there are articles talking about ways to model a many-to-many >>>> relationship (even if its a hacky solution). >>>> >>>> >>> >> >> >> >> -- >> -------------------------- >> >> Benedetti Alessandro >> Visiting card : http://about.me/alessandro_benedetti >> >> "Tyger, tyger burning bright >> In the forests of the night, >> What immortal hand or eye >> Could frame thy fearful symmetry?" >> >> William Blake - Songs of Experience -1794 England >
