There are different mongoDB build-in role , which are mentioned following.
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There could be a chances of few question must be in your mind, like why we need role based access control? Why you required either role based or user based access privilege. The answer is simple and best way to described is :
When you get chance to delete either documents or type or index , do it very carefully. How to delete index in elastic search is a straight forward but do this very carefully, specially in production environment. In this post I tried to demonstrate how to delete index and its indexed content in elastic search.
Continue reading How to Delete Index in Elastic Search?
When you get chance to delete either documents or type or index , do it very carefully. How to delete index in elastic search is a straight forward but do this very carefully specially in production environment. In this post I tried to demonstrate how to delete index and its indexed content in elastic search.
Continue reading How to Delete Document in Elastic Search?
This post is demonstrating about how to do the CRUD (create index, get content from index, Update index, and delete indexed data) operations using Rest client. You can do this via fiddler or Google’s Advance Rest Client plugin embedded in side the Crome browser.
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If you are going to install elastic search you can have various question in your mind , like how to install elastic on windows platform? The step by step process of installation of Elastic will be learned via this post. Although, the installation of Elastic is very simple on any environment either on Windows or different flavor of Linux. Please follow following step of installation and you are done with installation part of it.
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In this article , I tried to find differences between Redis and Memcached. Sometimes, we guy used some tech stack based on our personal feeling, ideally which should not be the case, but we do. Before choosing to any one or before reaching out any conclusion, we should define some parameters , what is the demand of business? what we required and for why? what is our use case? i mean to say for how long this would be feasible, availability of resourses ( man power, server , environment, business context).
Continue reading Difference between Redis and Memcached
Redis is open-source NOSQL advanced Key-value database, which is written in C. ReDiS is the short form of “Remote Dictionary Server”, so you can write itRediS too based on the short form of Redis. It also referred to as a data structure server. This is more than the distributed key-value, in-memory , replication of key, for caching server.
Continue reading What is Redis?
Understanding of HA ( High Availability ) of non functional requirement is not easy, it’s art with science. Being an architect, it is very important to understand cost vs acceptable downtime, i mean to say how much cost you are going to invest of servers and your acceptance downtime before committing to the stakeholder of your application.
Continue reading Understanding of High Availability NFR (Non Functional Requirement)
What is distributed system? Sometimes, this is very critical to define a system whether provided system is distributed or not ? well so this is completely depends on the surrounding attributed which you are looking for.
According to Andrew S. Tanenbaum
A Collection of Independent computers that appears it to users as one computer.
– Andrew S. Tanenbaum