Hi Joel, Thanks for the info :) On Wed, Nov 14, 2018 at 8:13 PM Joel Bernstein <joels...@gmail.com> wrote: > > The implementation is as follows: > > 1) There are "stream sources" that generate results from Solr Cloud > collections. Some of these include: search, facet, knnSearch, random, > timeseries, nodes, sql etc... > 2) There are "stream decorators" that wrap stream sources and operated over > the result set tuples. Some of these decorators operate over sorted result > sets and don't need to keep much data in memory. For example the innerJoin > stream decorator merge joins two sorted streams of tuples. Other stream > decorators read data into memory and perform operations entirely in memory. > An example of this is the sort stream decorator. > 3) The are "stream evaluators" that evaluate expressions over the data. > This includes math expressions. These expressions can operate in both a > streaming context using the "select" expression or an in memory context > using the "let" expression to set variables and operate of vectors and > matrices in memory. > > But basically you can think of it as decorators operating over streams of > data. > > > > > > Joel Bernstein > http://joelsolr.blogspot.com/ > > > On Wed, Nov 14, 2018 at 3:26 AM Lucky Sharma <goku0...@gmail.com> wrote: > > > Hi Prakhar, > > Thanks for the reply, But What I am actually curious to know how is it > > implemented Internally? > > On Wed, Nov 14, 2018 at 12:47 PM Prakhar Nigam > > <prakhar.ni...@mahindracomviva.com> wrote: > > > > > > HI Lucky Prakhar here > > > > > > we have met at a training at Mahindra Comviva. I have found this > > article it may be a little helpful > > > > > > > > https://medium.com/@sarkaramrit2/getting-started-with-streaming-expressions-in-apache-solr-b49111a417e3 > > > > > > > > > > > > > > > > > > Regards, > > > > > > Prakhar > > > > > > > > > > > > From: Lucky Sharma<mailto:goku0...@gmail.com> > > > Sent: Wednesday, November 14, 2018 9:25 AM > > > To: solr-user@lucene.apache.org<mailto:solr-user@lucene.apache.org> > > > Subject: Streaming In Solr > > > > > > > > > > > > Hi I have some doubt regarding how the streaming expressions and > > > parallel SQL queries are evaluated in SOLR, I tried to dig deep in the > > > code but wasn't able to find much, A little help will be much > > > appreciated > > > > > > -- > > > Warm Regards, > > > > > > Lucky Sharma > > > Contact No :+91 9821559918 > > > This e-mail and all material transmitted with it are for the use of the > > intended recipient(s) ONLY and contains confidential information. If you > > are not the intended recipient, please contact the sender by reply e-mail > > and destroy all copies and the original message. Any unauthorized review, > > use, disclosure, dissemination, forwarding, printing or copying of this > > email or any action taken pursuant to the contents of the present e-mail is > > strictly prohibited and is unlawful. The recipient acknowledges that > > Comviva Technologies Limited or its management or directors, are unable to > > exercise control or ensure the integrity over /of the contents of the > > information contained in e-mail. Any views expressed herein are those of > > the individual sender only and no binding nature of the contents shall be > > implied or assumed unless the sender does so expressly with due authority > > of Comviva Technologies Limited. E-mail and any contents transmitted with > > it are prone to viruses and related defects despite all efforts to avoid > > such by Comviva Technologies Limited. > > > > > > > > -- > > Warm Regards, > > > > Lucky Sharma > > Contact No :+91 9821559918 > >
-- Warm Regards, Lucky Sharma Contact No :+91 9821559918
