Elasticity - On Demand Resource provisioning
How about provisioning (renting) resources when you want them and releasing them back when you do not need them?
Latency - Slow access for users from other parts of the world (high latency)
Horizontal Scaling needs additional infrastructure: Scaling Sets, Load Balancers etc.
Load Balancer- It will manage diffrent virtual machine. When any virtual machine fail then it will identify this not sent request to this virtual machine.
Azure Services:
Azure Kubernetes Service: Managed Kubernetes Service
Azure Service Fabric: Microsoft container orchestrator
True or False: In PaaS, customer can configure hardware needs (memory, cpu etc) - True
Site Disaster- When shortage in one region then set target in other region so that when one region fail then it will go to other region for deployment.
Scale out - It is used to increase number of instances of services that is running.
Scale up - It is used to increase hardware size of instance of services that is running.
Azure app service - paas
Docker Container - anything happening with 1st container are not affet other container .
Container Orchstrator- It is used to create or increase instances of microservices container based on load.
Container Orchstrator ex. - Kubernetes
Service Discovery- It is used to communicate one microservice with other with help of orchestration.
EKS- Elastic Kubernetes Service (It is provided by Aws)
AKS- Azure Kubernetes Service (It is provided by Azure)
GKE- Google Kubernetes Engine (It is provided by Google)
Azure Sql Database - It is a Paas as a service.
Azure Data Lake Storage - It is used to store data and do data analytics from that. By default Azure Blob Storage Store data in flat manner but in this Its store data hierarchical manner also.
Relational Databases - If you want fixed schema with strong transactional capabilties then choose this.
- mysql --host=mysql-server-in28minutes.mysql.database.azure.com --user=mysqlserver@mysql-server-in28minutes -p
- create database todos;
- use todos;
- create table user (id integer, username varchar(30) );
- describe user;
- insert into user values (1, 'Ranjith');
- insert into user values (2, 'Ramesh');
- select * from user;
Nosql database- Typically Nosql database run on multiple node(server)
Shard key - It decide which node a specific row stored into.
Subnet - Inside virtual network you can create multiple subnet.
Note - You are not to pay for private ip address but you need to pay for public ip address.
Https - If we use https then data will be encrypted before transfer.
sso - single sign on
Active Directory Tenant - Subscription is connected with active directory tenant. At any point of time subscription connected only one active directory tenant.
Service Orgnization Compliance - (SOC) - You will be 100% sure that azure is doing great job by maintaining infrastructure.
SOC1 - Financial report.
Consumption based - It is a Severless model. For ex. Azure Function.
Azure ExpressRoute - It provides higher bandwidth than Azure vpn.
Azure Content Delivery Network - If you lot of static content and it will access from various location from world then use this service. It will distribute the content in various location.
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