By Lee Atchison
Every day, businesses fight to scale severe purposes. As site visitors quantity and information calls for bring up, those functions turn into extra advanced and brittle, exposing dangers and compromising availability. This sensible consultant indicates IT, devops, and approach reliability managers find out how to hinder an program from changing into gradual, inconsistent, or downright unavailable because it grows.
Scaling isn’t with regards to dealing with extra clients; it’s additionally approximately dealing with threat and making sure availability. writer Lee Atchison presents easy innovations for development purposes that may deal with large amounts of site visitors, information, and insist with out affecting the standard your consumers expect.
In 5 elements, this publication explores:
- Availability: research concepts for construction hugely on hand purposes, and for monitoring and bettering availability going forward
- Risk management: determine, mitigate, and deal with hazards on your program, attempt your recovery/disaster plans, and construct out structures that include fewer risks
- Services and microservices: comprehend the worth of prone for development advanced functions that have to function at better scale
- Scaling applications: assign providers to express groups, label the criticalness of every carrier, and devise failure situations and restoration plans
- Cloud services: comprehend the constitution of cloud-based prone, source allocation, and repair distribution
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Additional info for Architecting for Scale: High Availability for Your Growing Applications
Now that you have a way to track your availability and a way of identifying and managing your risk, you will want to review your risk management plans on a regular basis. Additionally, you should create and implement mitigation plans to reduce your application risks. This will give you a concrete set of tasks you and your development teams can implement to tackle the riskiest parts of your application. This is discussed in detail in Chapter 8. Automate Your Manual Processes To maintain high availability, you need to remove unknowns and variables.
Note Refer back to Chapter 3 if you need a refresher on how to measure availability. Next, you must understand how your application can be expected to perform from an availability standpoint. A tool that you can use to help manage your application availability is service tiers. These are simply labels associated with services that indicate how critical a service is to the operation of your business. This allows you and your teams to distinguish between mission-critical services and those that are valuable but not essential.
Examine how the mitigation has improved your avaiability. Continue the process until your availability reaches the level you want and need it to be. You can learn about how to recover from failing services in Chapter 13. Publish availability metrics to your management chain. This visibility will help with justifying projects such as these to improve your system availability. Your Changing and Growing Application As your system grows, you’ll need to handle larger and larger traffic and data demands.
Architecting for Scale: High Availability for Your Growing Applications by Lee Atchison