Why odd nodes in MongoDB ReplicaSet ?
https://www.youtube.com/watch?v=mLbMV5RknFY
How to remove a shard from the MongoDB sharded cluster
Removes a shard from a sharded cluster. When you run removeShard, MongoDB first moves the shard’s chunks to other shards in the cluster. Then MongoDB removes the shard. [root@dbversity bin]# ./mongo –port 10000 MongoDB shell version: 2.4.11 connecting to: 127.0.0.1:10000/test…
MongoDB Indexes
MongoDB provides a number of different index types to support specific types of data and queries. Indexes support the efficient execution of queries in MongoDB. MongoDB defines indexes at the collection level and supports indexes on any field or sub-field…
How do we insert image/audio/video files in MongoDB ?
Uploading a video file using GRIDFS with mongofiles utility : mongofiles -d database put video.mp4 mongofiles -d database get video.mp4 mongofiles -d database delete video.mp4 [dbfryusr@dbversity ~]$ ./mongofiles –port 27010 -d shrdb put /home/dbfryusr/MongoDB.mp4 connected to: 127.0.0.1:27010 added file: {…
MongoDB Tag aware sharding – Controlling Collection Distribution
Shard tagging is a new feature in MongoDB version 2.2.0. It’s supposed to force writes to go to a local data center, but it can also be used to pin a collection to a shard or set of shards….
IBM Cloudant Overview
Cloudant NoSQL Cloud DB – Grow into Your Data Layer, Not Out of It Cloudant puts the ‘service’ in NoSQL database as a service. Unlike scale-it-yourself NoSQL databases, Cloudant is scaled and operated for you. You focus on code, we’ve…
Free Couchbase Developer Day
Hi there, I want to personally invite you to attend Couchbase Day on December 10 at Microsoft New York. This FREE day-long educational event will feature a combination of hands-on workshops and presentations on Couchbase Server. Couchbase experts will walk…
Tutorial Using MongoDB Aggregation Pipeline
Using data to answer interesting questions is what researchers are busy doing in today’s data driven world. Given huge volumes of data, the challenge of processing and analyzing it is a big one; particularly for statisticians or data analysts who…
http://biglogictech.com/ : Hadoop & MongoDB Classes
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From MongoDB to Couchbase: How to Make the Switch
From MongoDB to Couchbase: How to Make the Switch Date: Wednesday, 18 November 2015 Time: 3 p.m. GMT In this webinar, I will: Explain the key differences between MongoDB and Couchbase — including the 7 common challenges with MongoDB that Couchbase overcomes…