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Orchestrators managing health and diagnostics information



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Orchestrators managing health and diagnostics information 
When you create a microservice-based application, you need to deal with complexity. Of course, a 
single microservice is simple to deal with, but dozens or hundreds of types and thousands of 
instances of microservices is a complex problem. It isn’t just about building your microservice 
architecture

you also need high availability, addressability, resiliency, health, and diagnostics if you 
intend to have a stable and cohesive system. 
Figure 4-22
. A Microservice Platform is fundamental for an application’s health management
 
The complex problems shown in Figure 4-22 are hard to solve by yourself. Development teams should 
focus on solving business problems and building custom applications with microservice-based 
approaches. They should not focus on solving complex infrastructure problems; if they did, the cost of 
any microservice-based application would be huge. Therefore, there are microservice-oriented 
platforms, referred to as orchestrators or microservice clusters, that try to solve the hard problems of 
building and running a service and using infrastructure resources efficiently. This approach reduces 
the complexities of building applications that use a microservices approach. 
Different orchestrators might sound similar, but the diagnostics and health checks offered by each of 
them differ in features and state of maturity, sometimes depending on the OS platform, as explained 
in the next section. 
Additional resources 

The Twelve-Factor App. XI. Logs: Treat logs as event streams
https://12factor.net/logs
 

Microsoft Diagnostic EventFlow Library
GitHub repo. 
https://github.com/Azure/diagnostics-eventflow
 

What is Azure Diagnostics
https://learn.microsoft.com/azure/azure-diagnostics
 


66 
CHAPTER 3 | Architecting container and microservice-based applications 


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