If you’ve been working with MongoDB for a while, you already know it’s famous for being scalable, highly available, and flexible. That last part—the flexible document model—is what draws a lot of developers in. But here’s the thing: when you’re dealing with a replica set, the real magic (and sometimes headaches) happens with how reads […]
SQL Joins are used to combine documents/rows from 2 or more tables based upon common field present in them. MongoDB 3.2 launched the most awaited feature “Joins” which is supported in SQL database however was not present in the earlier version of MongoDB. This feature will change the way you design your database schema and […]
Everyone thinks of creating index, but nobody pays attention towards removing them once they are created and not required .Too many indexes or unnecessary index can degrade your DB performance. To Optimize indexes in mongo we need to understand following things : How indexes works in mongoDB: Let’s say we have created compound index on […]
With the recently launched AWS Mumbai region, many of us might need to migrate our infrastructure there. In one such scenario, we have to setup Elasticsearch cluster on AWS EC2 instances and test it in Mumbai region. While migrating Elasticsearch cluster from AWS Singapore region to Aws Mumbai region, we faced few challenges, one […]
Cypher Query Language or CQL is the language to traverse and update graph structures in Neo4J. The language is similar to SQL and provides a declarative syntax for querying. However, it is worth mentioning that unlike SQL in which one needs to provide the complete procedure how to get records by defining joins etc. CQL’s language […]
Neo4J is a NoSQL database that stores information in the form of a huge property graphs where tuples/rows (nodes) are connected to each other with relationships (edges) both of which can have variable number of properties associated with them. Traversing data in the form of graphs implies that we can explore highly connected neighbouring data […]
Our cloud DevOps engineers have been using Elasticsearch on production environment for an e-commerce website for quite a while. The website has one admin server to manage activities such as adding new production, managing discounts on various items, fetching reports etc. We came across a requirement where downloading reports from admin server should not put extra load on […]
Our DevOps team was using Found for one of our projects in the production environment. We have been facing a problem with found where it’s memory pressure frequently goes up and does not drop down so easily and until the time it remains up the Found was not able to serve the requests. Then, we decided to […]
Application SecurityTechnology
MongoDB is a NoSQL database that delivers a performance oriented, highly available and scalable database system. Recently, a large number of MongoDB instances were found to be publicly accessible over the Internet. A large amount of data was leaked due to the fact that these instances were running an outdated and unpatched version of MongoDB. […]
