How to separate mongodb data files from the journal?

My application uses MongoDB as database. We are expecting 20K+ simultaneous connections to mongodb cluster. How should I config the server if I want to run the mongodb on 20 servers and shard the cluster 20 ways? Here is what I've done so far: On each...

I created a mongodb dump of database in my localmachine. It was put in dump folder as "myProject". Within myProject I had two files one ending with .bson and other with metadata.json. I moved the myProject folder to my remote server. I used...

I'm developing a mobile app with a cloud backend. basically, the API is storing and reading data from a db (including file uploads), doing geospatial searches and posting stuff to Facebook. I have most of it built and running on a micro AWS instance...

I'm testing MongoDB using MongoHQ. My database with 2 records is 2.5MB — much larger than the data stored. If I execute db.printCollectionStats() against each collection, I get the output: Property { "ns" : "Properties.Property...

I am building message board type system that will have hundreds of topics. I am new to programming/databases and so far the mongo style query language clicks with me better than linking a ton of SQL tables. I'm also concerned with scaling as its become...

, I am just learning VBA/Macros, and I am trying to create a macro that will import data from multiple .txt files (all located in the same directory) into a single worksheet. All of the data files are formatted the same, but with different data. Basically...

I read this post before putting this question : What is the best online platform for storing structured time series data and reporting on it? But have specific question to choose Cassandra or MongoDB for this, being open-source and easy licensing. I...

This problem is specifically related to Big Data Analytics. We have a large Mongo production deployment, having 7 shards and currently storing more than 4 TB of data. Since our production setup is already clogged with heavy application traffic, we cannot...

We are going to launch a video based e-learning program by buying an existing precoded social LMS (not SaaS, but a precoded script that's developed in Java with MongoDB), but our lil tech team has experience in LAMP technology with experience in WordPress...