Cloud service disruptions may happen. For example, during the past December, AWS had an ELB problem in us-east-1.
This service disruptions was not a huge concern for us, since the system was in staging phase and there was no traffic. However, we took this opportunity to learn and prepare ourselves. I’m sparing you the learning shenanigans, so you can follow and implement the solution without waiting for the next outage to happen.
Application deployment automation solutions are key when hosting an application in the cloud. The combination of release automation and the IaaS resources abstraction layer allows you to easily migrate your application to any common cloud provider.
Automation shouldn’t be adopted solely in order to move to the cloud. It has many benefits above and beyond this need. Increasingly popular movements such as Agile Application Lifecycle Management (ALM) and DevOps fully support automation as a method to achieve continuous delivery. Organizations today have to keep up with a high rate of releases in complex environments. Automating application deployments and infrastructure provisioning is what makes it possible. Some IT professionals even take DevOps a step further to NoOps.
AWS EC2 provides status checks that detect the problems with the underlying EC2 system used by the individual system. There are two types of checks performed every five minutes, which return a pass or a fail status. The two checks are:
If both the checks are passed, the overall status of the instance will be OK. If one of the checks fails, the overall status of the instance will be impaired. The following guide demonstrates how to set the status check alerts for the instance.
AWS EC2 is a scalable, reliable and low-priced offering from Amazon for the user’s virtual computation or hosting needs. An Amazon Machine Image (AMI) is an encrypted packaged-up environment that includes all the necessary bits to set up and boot the user’s instance. After an AMI is launched, the resultant running system is called an instance. Learn how to Launch an Amazon AWS EC2 Instance. The instance is the user’s basic computation building block. Amazon EC2 offers multiple instance types based on the RAM, Storage and Compute Units. Once launched, an instance looks very similar to a traditional host. The user will have complete control on the instances.
The present guide helps to understand the various parameters of metadata of an AWS Instance. Learn how to get the EC2 metadata.
In today’s cloud environment an idea can quickly transform itself into software. The small developer can generate and run the application on a PaaS platform or on an Amazon cloud micro-instance. At first the idea can be pitched to potential users at very low cost. Product operations can easily track and support the first users, making sure that the service is available and fits the users’ needs. The R&D team of the newly established start-up can work directly on the production servers. The new global SaaS grows at a steady pace while adding more and more customers, hence new global users.
The Simple Notification Service is often overlooked when it comes to Managing Scale. It is actually one of the most useful services in the AWS backbone. This article will show you how you can leverage SNS to meet the demand on your Apps, as well as combining with CloudWatch.
