Actually, you need to be ok that your content will disappear when you use MongoDB as well.... :-(
But I understand what you were trying to say. ---- http://www.solr-start.com/ - Resources for Solr users, new and experienced On 24 November 2016 at 11:34, Walter Underwood <wun...@wunderwood.org> wrote: > The choice is simple. Are you OK if all your content disappears and you need > to reload? > If so, use Solr. If not, you need some kind of repository. It can be files in > Amazon S3. > But Solr is not designed to preserve your data. > > wunder > Walter Underwood > wun...@wunderwood.org > http://observer.wunderwood.org/ (my blog) > > >> On Nov 23, 2016, at 4:12 PM, Alexandre Rafalovitch <arafa...@gmail.com> >> wrote: >> >> Solr supports automatic detection of content types for new fields. >> That was - unfortunately - named as schemaless mode. It still is typed >> under the covers and has limitations. Such as needing all >> automatically created fields to be multivalued (by the default >> schemaless definition). >> >> MongoDB is better about actually storing content, especially nested >> content. Solr can store content, but that's not what it is about. You >> can totally turn off all the stored flags in Solr and return just >> document ids, while storing the content in MongoDB. >> >> You can search in Mongo and you can store content in Solr, so for >> simple use cases you can use either one to serve both cause. But you >> can also pound nails with a brick and make holes with a hammer. >> >> Oh, and do not read this as me endorsing MongoDB. I would probably >> look at Postgress with JSON columns instead, as it is more reliable >> and feature rich. >> >> Regards, >> Alex. >> ---- >> http://www.solr-start.com/ - Resources for Solr users, new and experienced >> >> >> On 24 November 2016 at 07:34, Prateek Jain J >> <prateek.j.j...@ericsson.com> wrote: >>> SOLR also supports, schemaless behaviour. and my question is same that, why >>> and where should we prefer mongodb. Web search didn’t helped me on this. >>> >>> >>> Regards, >>> Prateek Jain >>> >>> -----Original Message----- >>> From: Rohit Kanchan [mailto:rohitkan2...@gmail.com] >>> Sent: 23 November 2016 07:07 PM >>> To: solr-user@lucene.apache.org >>> Subject: Re: SOLR vs mongdb >>> >>> Hi Prateek, >>> >>> I think you are talking about two different animals. Solr(actually embedded >>> lucene) is actually a search engine where you can use different features >>> like faceting, highlighting etc but it is a document store where for each >>> text it does create an Inverted index and map that to documents. Mongodb >>> is also document store but I think it adds basic search capability. This >>> is my understanding. We are using mongo for temporary storage and I think >>> it is good for that where you want to store a key value document in a >>> collection without any static schema. In Solr you need to define your >>> schema. In solr you can define dynamic fields too. This is all my >>> understanding. >>> >>> - >>> Rohit >>> >>> >>> On Wed, Nov 23, 2016 at 10:27 AM, Prateek Jain J < >>> prateek.j.j...@ericsson.com> wrote: >>> >>>> >>>> Hi All, >>>> >>>> I have started to use mongodb and solr recently. Please feel free to >>>> correct me where my understanding is not upto the mark: >>>> >>>> >>>> 1. Solr is indexing engine but it stores both data and indexes in >>>> same directory. Although we can select fields to store/persist in solr >>>> via schema.xml. But in nutshell, it's not possible to distinguish >>>> between data and indexes like, I can't remove all indexes and still >>>> have persisted data with SOLR. >>>> >>>> 2. Solr indexing capabilities are far better than any other nosql db >>>> like mongodb etc. like faceting, weighted search. >>>> >>>> 3. Both support scalability via sharding. >>>> >>>> 4. We can have architecture where data is stored in separate db like >>>> mongodb or mysql. SOLR can connect with db and index data (in SOLR). >>>> >>>> I tried googling for question "solr vs mongodb" and there are various >>>> threads on sites like stackoverflow. But I still can't understand why >>>> would anyone go for mongodb and when for SOLR (except for features >>>> like faceting, may be CAP theorem). Are there any specific use-cases >>>> for choosing NoSQL databases like mongoDB over SOLR? >>>> >>>> >>>> Regards, >>>> Prateek Jain >>>> >>>> >
