Amazon RDS DB instances.txt

Amazon RDS DB instances

A DB instance is an isolated database environment running in the cloud. It is the basic building block of Amazon RDS. A DB instance can contain multiple user-created databases, and can be accessed using the same client tools and applications you might use to access a standalone database instance.

> You can have up to 40 Amazon RDS DB instances if wanna request for more a form is present or support contact 


#creating rds database 

rds is based on avaliability zone so if one AZ fails the database will go down , before creating database we specify in which subnet we want our database to be accessed which is asked while creating the database 

### steps 
> create database 
> engine optimization -- select the desired databse like msql or mariaDB etc
> template -- production or dev or free tier 
> name and master password 
> instance config -- type of instance we want 
> storage free upto 20 gb 
> vpc 
> authentication and some other basic settings 
> create 




### database features 
> connectivity -- endpoints ,ports,vpc etc...
> monitering -- basic monitering like cpu,diskusage etc...
> logs 
> configuration -- instance type etc ..





## HOSting mariaDB on EC2 instance