[MongoDB]: To Check fragmentation using a JavaScript
MongoDB Fragmentation Alerting script :- 1) Script will consider below aspects and prompt us “POSSIBLE FRAGMENTATION” & “REVIEW SCHEMA” issues. dataSize indexSize storageSize fileSize 2) It has 6GB minimum threshold dataSize for the database as thumb rule to apply the…
[MongoDB]: Tailable cursors
Tailable cursors are cursors that remain open even after they’ve returned a final result. This way, if more documents are added to a collection (i.e., to the cursor’s result set), then you can continue to call Cursor#next to retrieve those…
DynamoDB: Amazon’s product
Amazon DynamoDB Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed database and supports both document and key-value data models. Its flexible…
[Actifio]: ESG Labs report & Economical Value Report
* ESG Labs Analyst Report http://www.youtube.com/watch?v=Cc1u6FKOqyM&list=TLSKCduSZqcdY * Economical Value Report http://www.actifio.com/resource-center/?show=analyst-reports
[MongoDB]: 3.0 Installation
[srinivas@dbversitydotcom ~]$ curl -O http://downloads.mongodb.org/linux/mongodb-linux-x86_64-3.0.1.tgz % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 37.7M 100 37.7M 0 0 12.3M 0 0:00:03 0:00:03 –:–:– 12.3M [srinivas@dbversitydotcom ~]$ [srinivas@dbversitydotcom ~]$ [srinivas@dbversitydotcom…
[MongoDB]: Capped Collection
Capped collections are fixed-size collections that support high-throughput operations that insert and retrieve documents based on insertion order. Capped collections work in a way similar to circular buffers: once a collection fills its allocated space, it makes room for new…
[MongoDB]: Geospatial Index
Let’s start with a simple example consisting of four points in a plane. The meaning of the units of the coordinate systems can be whatever you choose: cms, miles, kilometers etc. Now, let us insert these points into a collection…
[MongoDB]: Useful books & Interactive session urls
MongoDB Reference Cards http://info.mongodb.com/rs/mongodb/images/mongodb_qrc_booklet.pdf The Little MongoDB Book (The ultimate Intro to MongoDB) http://openmymind.net/mongodb.pdf FYI … very useful MongoDB & Geospace Index Interactive sessions below. http://mongly.openmymind.net/tutorial/index http://mongly.openmymind.net/geo/index
What is MongoDB ? Beautiful video !
https://www.youtube.com/watch?v=CvIr-2lMLsk