facebook (1)

Often we saw that after making individual machine better (Scale up) or distributed the data into shards (Scale Out) or making all read queries route to secondary replica set, yet the queries are not performing well and getting the bottleneck. Continue readingMongoDB query optimization→

Before starting any mongodb administration job, we need to know very well about the system, where MongoDB is going to deploy. For this article I choose very common linux OS Ubuntu. Target readers should not be only for mongodb dba, Continue readingLinux directory structure, user, group, permission, ownership etc.→

MongoDB has RBAC (Role Based Access Control) enabled that we all know. Different teams having integration with their separate collection, we might have to create collection specific access control by defining userDefine Role. How to create user define role and Continue readingMongoDB Collection-Level Access Control→

I have faced many projects which are facing performance issue with MongoDB and I do call for tuning up the performance. What I do apparently in a quick succession, that I listed below the steps. Hardware Resource Firstly, quantify already Continue readingMongoDB performance tuning→

Like other programming languages, shell script also have same loop concept, let us look at different types of loop syntax how it will work in shell scripts. For loop #!/bin/sh for x in hi 1 * 2 A bye do Continue reading2. Shell script loop & conditional statement→