To determine whether the MongoDB that you connected, Enterprise/Open source – below are many methods. 1) The easiest way is .. use “mongod –version ” Enterprise Edition, mentioned as “module : enterprise” where community edition as “none” See below, first…
A Notification from MongoDB Inc., on MongoDB 2.6’s EOL : MongoDB 2.6 was released in April, 2014 (24 months ago) and we are approaching the end of life of this major version. We are providing six (6) months notice that…
Would like to know – how to manage (max) connections in MongoDB ? 1) How to know how many configured ? 2) How to change ? 3) How to know how many connections are being used ? Answer :…
1. Define MongoDB. It is document oriented database which is used to high availability, easy scalability and high performance. It supports the dynamic schema design. 2. Explain replica set. It is a group of mongo instances that maintain same…
MariaDB Introducing MariaDB ColumnStore! ribbon banner ribbon left shadow Hello DBversity, Today marks a significant milestone for the MariaDB community. We are announcing the upcoming release of our big data analytics engine, MariaDB ColumnStore. With this release, MariaDB will offer…
MongoDB Inc., excited to announce MongoDB 3.2, their latest and most significant release yet. With 3.2, they have increased the range of mission-critical use cases they serve, enabling you to standardise on a single database for your modern applications. To learn more about…
Considerations : 1) Stop the balancer before capturing a backup. If the balancer is active while you capture backups, the backup artifacts may be incomplete and/or have duplicate data, as chunks may migrate while recording backups. 2) Take a backup…
/* * MongoDB fragmentation estimator, this is only a guide / example. * THIS SCRIPT IS NOT FOR PRODUCTION USE, IT IS FOR DEMONSTRATION PURPOSES ONLY * To execute on a locally running mongod on default port (27017), run: * mongo getMongoFragmentation.js…
Run the balancer at low traffic times mongos> db.settings.update({_id: “balancer”}, {$set : { activeWindow: { start: “9:00”, stop: “21:00”}}}) mongos> mongos> mongos> db.settings.find() { “_id” : “chunksize”, “value” : 64 } { “_id” : “balancer”, “activeWindow” : {…