I read the seven year old slides just now. The Guardian was using Solr to deliver the content. Their repository (see slide 38) is an RDBMS.
https://www.slideshare.net/matwall/no-sql-at-the-guardian In slide 37, part of “Is Solr a database?”, they note “Search index not really persistence”. To me, that means “not a database”. wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Aug 5, 2017, at 4:59 AM, Dave <hastings.recurs...@gmail.com> wrote: > > And to add to the conversation, 7 year old blog posts are not a reason to > make decisions for your tech stack. > > And insults are not something I'd like to see in this mailing list, at all, > so please do not repeat any such disrespect or condescending statements in > your contributions to the mailing list that's supposed to serve as a source > of help, which, you asked for. > >> On Aug 5, 2017, at 7:54 AM, Dave <hastings.recurs...@gmail.com> wrote: >> >> Also I wouldn't really recommend mongodb at all, it should only to be used >> as a fast front end to an acid compliant relational db same with memcahed >> for example. If you're going to stick to open source, as I do, you should >> use the correct tool for the job. >> >>> On Aug 5, 2017, at 7:32 AM, GW <thegeofo...@gmail.com> wrote: >>> >>> Insults for Walter only.. sorry.. >>> >>>> On 5 August 2017 at 06:28, GW <thegeofo...@gmail.com> wrote: >>>> >>>> For The Guardian, Solr is the new database | Lucidworks >>>> <https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwiR1rn6_b_VAhVB7IMKHWGKBj4QFgguMAE&url=https%3A%2F%2Flucidworks.com%2F2010%2F04%2F29%2Ffor-the-guardian-solr-is-the-new-database%2F&usg=AFQjCNE6CwwFRMvNhgzvEZu-Sryu_vtL8A> >>>> https://lucidworks.com/2010/04/29/for-the-guardian-solr- >>>> is-the-new-database/ >>>> Apr 29, 2010 - For The Guardian, *Solr* is the new *database*. I blogged >>>> a few days ago about how open search source is disrupting the relationship >>>> between ... >>>> >>>> You are arrogant and probably lame as a programmer. >>>> >>>> All offense intended >>>> >>>>> On 5 August 2017 at 06:23, GW <thegeofo...@gmail.com> wrote: >>>>> >>>>> Watch their videos.... >>>>> >>>>> On 4 August 2017 at 23:26, Walter Underwood <wun...@wunderwood.org> >>>>> wrote: >>>>> >>>>>> MarkLogic can do many-to-many. I worked there six years ago. They use >>>>>> search engine index structure with generational updates, including >>>>>> segment >>>>>> level caches. With locking. Pretty good stuff. >>>>>> >>>>>> A many to many relationship is an intersection across posting lists, >>>>>> with transactions. Straightforward, but not easy to do it fast. >>>>>> >>>>>> The “Inside MarkLogic Server” paper does a good job of explaining the >>>>>> guts. >>>>>> >>>>>> Now, back to our regularly scheduled Solr presentations. >>>>>> >>>>>> wunder >>>>>> Walter Underwood >>>>>> wun...@wunderwood.org >>>>>> http://observer.wunderwood.org/ (my blog) >>>>>> >>>>>> >>>>>>> On Aug 4, 2017, at 8:13 PM, David Hastings <dhasti...@wshein.com> >>>>>> wrote: >>>>>>> >>>>>>> Also, id love to see an example of a many to many relationship in a >>>>>> nosql db as you described, since that's a rdbms concept. If it exists in >>>>>> a >>>>>> nosql environment I would like to learn how... >>>>>>> >>>>>>>> On Aug 4, 2017, at 10:56 PM, Dave <hastings.recurs...@gmail.com> >>>>>> wrote: >>>>>>>> >>>>>>>> Uhm. Dude are you drinking? >>>>>>>> >>>>>>>> 1. Lucidworks would never say that. >>>>>>>> 2. Maria is not a json +MySQL. Maria is a fork of the last open >>>>>> source version of MySQL before oracle bought them >>>>>>>> 3.walter is 100% correct. Solr is search. The only complex data >>>>>> structure it has is an array. Something like mongo can do arrays hashes >>>>>> arrays of hashes etc, it's actually json based. But it can't search well >>>>>> as >>>>>> a search engine can. >>>>>>>> >>>>>>>> There is no one tool. Use each for their own abilities. >>>>>>>> >>>>>>>> >>>>>>>>> On Aug 4, 2017, at 10:35 PM, GW <thegeofo...@gmail.com> wrote: >>>>>>>>> >>>>>>>>> The people @ Lucidworks would beg to disagree but I know exactly >>>>>> what you >>>>>>>>> are saying Walter. >>>>>>>>> >>>>>>>>> A simple flat file like a cardx is fine and dandy as a Solrcloud >>>>>> noSQL DB. >>>>>>>>> I like to express it as knowing when to fish and when to cut bait. >>>>>> As soon >>>>>>>>> as you are in the one - many or many - many world a real DB is a >>>>>> whole lot >>>>>>>>> more sensible. >>>>>>>>> >>>>>>>>> Augment your one-many|many-many NoSQL DB with a Solrcloud and you've >>>>>> got a >>>>>>>>> rocket. Maria (MySQL with JSON) has had text search for a long time >>>>>> but It >>>>>>>>> just does not compare to Solr. Put the two together and you've got >>>>>> some >>>>>>>>> serious magic. >>>>>>>>> >>>>>>>>> No offense intended, There's nothing wrong with being 97.5% correct. >>>>>> I wish >>>>>>>>> I could be 97.5% correct all the time. :-) >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>>> On 4 August 2017 at 18:41, Walter Underwood <wun...@wunderwood.org> >>>>>> wrote: >>>>>>>>>> >>>>>>>>>> Solr is NOT a database. If you need a database, don’t choose Solr. >>>>>>>>>> >>>>>>>>>> If you need both a database and search, choose MarkLogic. >>>>>>>>>> >>>>>>>>>> wunder >>>>>>>>>> Walter Underwood >>>>>>>>>> wun...@wunderwood.org >>>>>>>>>> http://observer.wunderwood.org/ (my blog) >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> On Aug 4, 2017, at 4:16 PM, Francesco Viscomi <fvisc...@gmail.com> >>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>> Hi all, >>>>>>>>>>> why i have to choose solr if mongoDb is easier to learn and to use? >>>>>>>>>>> Both are NoSql database, is there a good reason to chose solr and >>>>>> not >>>>>>>>>>> mongoDb? >>>>>>>>>>> >>>>>>>>>>> thanks really much >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> Ing. Viscomi Francesco >>>>>>>>>> >>>>>>>>>> >>>>>> >>>>>> >>>>> >>>>