Tag: Mongodb
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MongoDB Collection-Level Access Control
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 how to assign user, you can check it from the mongodb documentations. Here in this… Read More »
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MongoDB change or update field type
Many a times developer do ask a common question that, we need to change existing data bearing field’s data type to another data type with out hampering existing data. Such as example, in database date field was in string value, but need to convert it in ISODate() format. Before going to nitty gritty details of… Read More »
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MongoDB installation and upgradation in Ubuntu
Installation of MongoDB is not my goal, while installation mongodb on ubuntu we need to remember that, It should be easily upgraded to its latest version. In this article, 1. How do you easily install mongodb in your ubuntu and how do you upgrade it. 2. Later part of the article includes best practice to… Read More »
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MongoDB query optimization
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. Its totally depends upon your query workload, I am talking about 4-5K OPS (Operation Per… Read More »
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MongoDB Log Rotation Automation
When you are using mongodb for large applications (heavy write and read intensive), then you probable noticed that mongod.log/mongos.log file is growing big in size with in a few time span. I saw 20GB mongos.log file size in a single day. So, your logfile should be in a limited size for diagnostics and debugging purpose.… Read More »
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MongoDB Enterprise Edition
Does it free? MongoDB Enterprise is free of charge for an unlimited period of time for evaluation and development. By downloading it, you agree to the Subscription Agreement. Comparison between MongoDB Community and Enterprise Edition Features MongoDB Community MongoDB Enterprise LDAP Authentication Not Available Available LDAP Authorization Not Available Available Kerberos Authentication Not Available Available Database… Read More »
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Install Mtools in Ubuntu for MongoDB log analysis
According to mtools official github repo, its says that “mtools is a collection of helper scripts to parse, filter, and visualize MongoDB log files (mongod, mongos). mtools also includes mlaunch, a utility to quickly set up complex MongoDB test environments on a local machine, and mtransfer, a tool for transferring databases between MongoDB instances.” github… Read More »