MongoDB is a scalable, high-performance, open source, document-oriented database. It supports a large number of languages and application development platforms. Questions about administrating it can be asked on dba.stackexchange.com

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3
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2answers
32 views

Slow throughput - still worth using a dedicated message queue?

Here are some requirements for a queue: Every few days add ~100k tasks with various priorities Workers will pull tasks at typically less than 10 / second Tasks need to be completed ~3 times by ...
1
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0answers
31 views

MongoDB design schema

Objective Get a good schema capable of making searches easy depending on the hierarchy. Background I am coding a database for a webervice that will return information about items for a game called ...
-1
votes
4answers
123 views

When should we use MongoDB?

MongoDB is a NoSQL database which I've found quite easy to use. Recently I had to develop a simple application which needed to collect some data using HTTP requests and store some results after ...
-2
votes
1answer
34 views

Need a solution for data filter problem

Problem statement: I have a input with multiple key value pairs and a list tasks stored in database with filter object. As an output I need a list of tasks matching the input values based on task's ...
-1
votes
2answers
97 views

better way to load data for millions of users

I am working on a Spring/JSF app in which i have 1 scheduler to load user's sleep activity from fitbit. Right now what i do is that whenever the scheduler kicks in, I load ALL users from mongoDB and ...
0
votes
0answers
68 views

Using Ruby ORM vs DB querying

If one were to set up an API in Sinatra connecting to MongoDB, is it absolutely necessary (or even a "best practise") to define models and use Mongoid (for example) to run DB operations such as User....
2
votes
0answers
23 views

Storing OAuth2 data in Mongo?

Our system has users but we want to perhaps allow some users to be able to use our API service. I'm looking at using OAuth2 for authorization. As it's going to be (trusted) machine-to-machine access I ...
4
votes
0answers
41 views

Why does Mongo check for order of keys when matching embedded documents?

https://docs.mongodb.com/v3.0/reference/method/db.collection.find/#query-exact-matches-on-embedded-documents The following operation returns documents in the bios collection where the embedded ...
1
vote
2answers
52 views

Creating a web application with full text search on dynamic data

Even after thorough requirements engineering we end up with users wanting to attach 'notes' to their otherwise well-structured data records, in other words: arbitrary key-value pairs. Their primary ...
0
votes
0answers
14 views

Regional test-of-concept environment, whose database must be merged back to the main server afterwards

My client wishes to launch a specific version of the Rails platform I am developing that will be restricted to a particular group of users (some sort of test-of-concept). I will have another server ...
-3
votes
1answer
138 views

Should I use NoSQL or HDFS for storage?

I have millions of tweets currently stored in HDFS and I plan to analyze them from Spark (Data mining, text mining, Frequent Term-Based Text Clustering, Social Network Analysis) however, do not know ...
0
votes
0answers
22 views

Is having a singleton collection in Mongo (i.e. equivalent of an SQL table with one row) an anti-pattern?

I've been looking for ways to implement this, and haven't found it anywhere, so wonder if I'm doing something silly. Essentially I have a set of information which is relevant to the entire database/...
4
votes
2answers
62 views

Is it a good idea not to embed certain one-to-one relationships in a Mongo database?

I'm designing a NoSQL database schema - MongoDB in particular - and I'm wondering if it's a good idea not to embed certain one-to-one relationships. For one example, I have an accounts collection, ...
1
vote
1answer
198 views

How should I implement a full text search into my meteor web app?

I am making a web application using the javascript framework Meteor, which runs with mongodb. In the web app I have a db set up that holds individual video games in the documents. An example of this ...
2
votes
1answer
130 views

Should I store cryptographic hashes as a blob or as a string?

I'm new to MongoDB and am wondering how to decide to store some cryptographic hashes. Should I store the binary data itself, as a blob, or should I store its string representation as a string? My ...
0
votes
0answers
39 views

Unifying database interface for multiple authentication methods

I'm working on a project with Mongo as the db. Currently, we only allow users to sign up with email and we look them up in the db by email address. But now we're moving to allow users to sign up ...
1
vote
0answers
34 views

Feedback on simple authorisation system design

I'm writing a fairly simple authentication/authorisation api for an intranet application we are developing. It's my first roles based authorisation system and its a good opportunity for a first ...
2
votes
0answers
84 views

Ideal Database for Big Data with Graph Relationships [closed]

The Requirement My application ingests a decent amount of data and need to traverse relationships between the data and do aggregations/projections on that data with volume like 1m+ document/rows/...
0
votes
1answer
213 views

How to properly index MongoDB with ElasticSearch?

we are working on a JAVA EE project which handles huge amount of data, but has to provide full-text-search option (in hungarian language). So we started to think about what kind of architecture could ...
2
votes
0answers
90 views

Upload, convert, and store multiple different product data feeds into a database

I'm not sure if this right location for this question, but here it is. I currently have about 30 different CSV or TXT product data feeds. I am trying to build a tool to 1) upload each feed 2) ...
2
votes
2answers
426 views

Is it appropriate to use id-s in MongoDb subdocuments?

I'm currently familiarizing myself with NoSQL by building a simple web application using MongoDb with the official C# driver. If i have understood the NoSQL concept correctly, then only the aggregate ...
3
votes
1answer
688 views

How do I represent a schema diagram of my MongoDB database?

I have a MongoDB database that I want to properly document its schema design. I know that MongoDB is a NoSQL database and is schemaless by nature, but I do enforce a schema through my application and ...
1
vote
0answers
67 views

Is it OK to use mongodb's query object format as a parameter for my api?

I am designing an api that can give developers read-only access to a large dataset. The data is stored in a mongodb database. All the results of the api, will basically either be a count of matches ...
2
votes
3answers
80 views

How to properly store messages in a webservice?

We are building a multitenant webservice with PHP and MongoDB. There is a need for communication between service employees and clients, communication can be established in many different ways. Some of ...
0
votes
1answer
205 views

Copying/cloning MongoDB database from production to development

I am struggling to find a good way to copy over our production MongoDB database to overwrite our development database on demand. db.copyDatabase doesn't work from the command line using mongo-cli. Is ...
1
vote
0answers
80 views

How to implement partial normalization while keeping data integrity across documents

I've been researching how to properly design a mongo schema and came across this blog post on their site: http://blog.mongodb.org/post/87892923503/6-rules-of-thumb-for-mongodb-schema-design-part-2 ...
2
votes
1answer
245 views

Should I use MongoDB for reference data?

I have a need to implement a number of microservices that will provide validation and lookup services. Each will hold independent and (essentially) read-only reference data. In each case, the data ...
1
vote
1answer
181 views

Storing PageViews Count Data in MongoDB

I would like to ask for feedback for some programming logic concept & ideas. I am building a site where i would like to keep track on how many pageviews a page has daily. I have thought of 2 ways ...
2
votes
0answers
225 views

Authenticate Joomla user from an external app based on Node.js, Javascript and MongoDB

I have an iOS App which currently pulls in all the data from the MongoDB using a Node.js server. Currently my API / my node server handles all the data manipulation the iOS app/Swift only displays the ...
1
vote
2answers
217 views

Sign up user using Microsoft Exchange Account in Node.js MongoDB

I have a question about whether a programming technique is at all possible. Most of the apps these days come with sign up with Facebook, Twitter or gmail functionality. My company has its domain ...
1
vote
1answer
125 views

Expert advice needed for a NoSql Database

At our company, I have been given the task to develop a Mobile Application (iOS, Android and in the future, maybe Windows). Given those devices, it's likely that we'll have a high number of ...
2
votes
3answers
180 views

Help me design this use case

I have following entities: Data: User_id Categories: Interests, Disinterests, Categories A, B C... Each categories have sub categories: Interests=Gaming, Physics, Programming etc.. Now each user ...
4
votes
0answers
241 views

inserting json document with `.` in key to mongodb

Firstly, this is more of a design question than a programming question. I am creating an application where I have to fetch existing json data and insert it into mongoDB. I found that some of the the ...
0
votes
3answers
279 views

What is the best way to go about storing application options: file system or db? [closed]

We are looking to find the best way to store user options (skills, degrees, industries, languages, etc.) for drop downs. The options are between a JSON file we can store on the server file system or ...
3
votes
1answer
197 views

Best-matching comparative values using all items in array

I have two arrays of objects (items) in the exact same format. Each item represents a wager, and each array represents one of two outcomes for that wager (ex: Team A vs Team B). Both arrays look ...
0
votes
0answers
214 views

Is this MEAN stack design-pattern suitable at the 1,000-10,000 user scale?

Let's say that when a user logs into a webapp, he sees a list of information. Let's say that list of information is served by one of two dynos (via heroku), but that the list of information ...
4
votes
3answers
175 views

Algorithm that generates a group of men and women who are each interested in everyone from the other gender

In my dating app, I need to compile lists of men and women where all of the men in the list are potentially interested in all of the women in the list, and vice versa. That is, in a list of 10 men ...
0
votes
1answer
128 views

Planning complex Mongo (And possibly other NoSQL) Databases

There is no "right way" to do anything, but there are "better" and "worse" ways, as well as true and tested ways. I'm studying Mongo and considering it for a project. It's gonna start small but ...
1
vote
0answers
101 views

Code structure with MongoDB in python

I am new to MongoDB and python. I know how to make basic use of pymongo in order to manipulate documents. I am having trouble finding how to create some structure or governance in what gets inside ...
1
vote
2answers
128 views

What is better for scalability for this specific dataset, MongoDB or MySQL?

I have a web app which has users, forms, and volunteers signed up on those forms. Currently I am using MongoDB and have it setup with a collection for admins, and a collection for forms with ...
0
votes
1answer
114 views

Can I include mongod.exe in my commercial destop based or user self hosted app withou open sourcing it?

I have read the doc and the apgl blog post, but I still have some concerns: Can I include mongodb.exe in my commercial desktop based app? Can I include mongodb.exe in my commercial user self hosted ...
1
vote
0answers
124 views

How to consume inconsistent REST API with Mongo DB backend?

We are using a third party REST API and we are building one of the pages on our ASP.NET site around the data it delivers. We get results in JSON, and interact with it mostly using .NET MongoDB Driver. ...
2
votes
4answers
697 views

Are NoSQL databases the best choice for more efficiently querying large amounts of data?

We are planning to build a travel website in which we will be integrating multiple APIs (eg. DOTW, GTA, Expedia) for Hotels. I have initially tried to use MySQL but since there are huge amounts of ...
0
votes
1answer
2k views

Design Pattern for Cron/Schedule in MongoDB

I am looking for a good pattern to handle cron-type data in a MongoDB collection (or collections). I have been peeking at the O'Reilly book MongoDB Applied Design Patterns and poking around the ...
0
votes
1answer
94 views

How to determine which service to call

I have modeled my application using multiple 'user' domain objects. Candidate Recruiter Administrator Each entity extends from an AbstractUser implementing UserInterface. interface UserInterface {...
2
votes
1answer
98 views

Proper tree NoSQL structure with focus on full-text searching

I developing an app with tree(folder-file) structure, on which I should perform full-text searches with MongoDB. I did a research on the best tree structure practices and found this great article, but ...
5
votes
1answer
5k views

Architecture for a mobile (Android) chat application

I want to develop a chat application that reminds a bit whatsapp, I am doing it as a learning project. I am currently doing it on Android just because I am doing an Android course. The requirements ...
1
vote
0answers
126 views

Decreasing MongoDB Load

I have some stream workers. They are listening to twitter stream and save into mongodb. I need to aggregate saved tweets for intermediate analyze result. I have analyzer workers. They are periodically ...
1
vote
1answer
374 views

database migration with data already in the database in production

I don't know much about migrations, but this is a specific question I'm not sure how to answer. In production, how can one change the database format/schema when there is already user data in there? (...
-1
votes
1answer
227 views

mongoDB user management (built in or own implementation) [closed]

I started to evaluate mongoDB for a product catalogue. Regarding user management and access control: When to use the mongoDB's built in user management and when build one on the application layer? ...