Data Visualization Using Apache Zeppelin – Tutorial

Posted: October 16, 2017

In today's world, data is being generated at an exponential rate, so much so that analysts are predicting our global data creation to increase 10x by 2025. Businesses are now collecting data across every internal system and external source that impacts their company; and with it comes an...

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How to Stop a Runaway Index Build in MongoDB

Posted: September 21, 2017

Index builds in MongoDB can have an adverse impact on the availability of your MongoDB cluster. If you trigger a foreground index build on a large collection on your production server, you may find that your cluster is unresponsive until the index build is complete. On a large collection, this...

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XFS vs EXT4 – Comparing MongoDB Performance on AWS EC2

Posted: September 6, 2017

AWS is an extremely popular and trusted cloud platform for managing MongoDB deployments, but the question of XFS vs EXT4 has many developers wondering which Linux file system will give them the best performance for their applications. MongoDB's official guide on deploying to production recommends...

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Caching tweets using Node.js, Redis and Socket.io

Posted: August 15, 2017

In this article, we will build a streaming list of tweets based on a search query entered by the user. The tweets will be fetched using Twitter's Streaming API, stored in a Redis list and updated in the front-end using Socket.io. We will primarily be using Redis as a caching layer for...

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Understanding and Managing Disk Space on your MongoDB Server

Posted: July 17, 2017

Disk storage is a critical resource for any scalable database system. The performance of your disk-based databases will depend on how data is managed on the disk. Your MongoDB server supports various pluggable storage engines that handle storage management and initially store all documents...

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Redis vs. MongoDB: Comparing In-Memory Databases with Percona Memory Engine

Posted: June 16, 2017

In this post, we're comparing two of the most popular NoSQL databases: Redis (in-memory) and MongoDB (Percona memory storage engine). Redis is a popular and very fast in-memory database structure store primarily used as a cache or a message broker. Being in-memory, it's the data store of choice...

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High Performance MongoDB Clusters on Azure

Posted: May 30, 2017

You can bring your own Azure account or host with us. High-performance clusters use powerful CPU's and premium disks to deliver enhanced performance. Based on our performance tests (details below) our High-performance clusters on Azure deliver 4x the performance of our competition and 2x the...

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How to Visualize Resque Usage with Node.js, WebSockets, and Redis

Posted: May 17, 2017

Ever wanted to visualize how your Resque queues, workers, and jobs are doing? In this article, we're going to learn how to build some simple graphs around the Resque components. Delegating jobs to a background queue The delegation of long-running, computationally expensive, and high-latency...

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Bring Your Own Azure Account for MongoDB & Redis Hosting

Posted: April 24, 2017

Why bring your own Azure account? ScaleGrid 'Management' model supports the ability to 'Bring your own Azure account' to host your databases (MongoDB, Redis etc). This provides the best of both worlds - you can leverage ScaleGrid expertise to manage your databases and still keep all the machines...

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Creating Role-Based Access Control in MongoDB

Posted: April 19, 2017

MongoDB provides user access through role-based controls, including many built-in roles that can be assigned to users. The two most well-known controls are the read and read/write roles, however, sometimes, they're not as granular as we'd like them to be. I recently had a chance to explore the...

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Data Visualization Using Apache Zeppelin – Tutorial

How to Stop a Runaway Index Build in MongoDB

XFS vs EXT4 – Comparing MongoDB Performance on AWS EC2

Caching tweets using Node.js, Redis and Socket.io

Understanding and Managing Disk Space on your MongoDB Server

Redis vs. MongoDB: Comparing In-Memory Databases with Percona Memory Engine

High Performance MongoDB Clusters on Azure

How to Visualize Resque Usage with Node.js, WebSockets, and Redis

Bring Your Own Azure Account for MongoDB & Redis Hosting

Creating Role-Based Access Control in MongoDB

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