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Latency should be measured with canaries to represent the client experience as well as with server-side metrics. Whenever the average of some percentile latency, like P99 or TM99.9, goes above a target SLA, you can consider that downtime, which contributes to your annual downtime calculation.
Apr 13, 2023 · Dispatch latency consists of an old task releasing its resources (wakeup) and then rescheduling the new task (dispatch), all of this also comes under context switching. Let’s look at an example to understand context switching and dispatch latency.
- Legacy Application
- Moving to The Cloud
- Does It Scale?
- Conclusion
Imagine I have a Containerize application that receives an API input and inserts the payload into a database. Once the item is inserted, I must communicate this action to other services/departments and save this request for future analysis. The Service Layer has the logic to run all the steps and send the correct information to each service/departm...
Assuming I am not an expert with Serverless, I will do my research and start replacing my legacy application with serverless native services. For reasons (that are not important to this article), I will end up to something like this: I have replaced Express.js with Amazon API gateway. The Service Layer code is now running inside AWS Lambda, where I...
It depends on what I want to achieve. If I develop this application without using any best practices, this application will run around 400ms with this setup: 1. Node.js 2. Lambda at 1024 MB of memory 3. No parallelism 4. No usage of execution context 5. Burst quota 1000 Lambda 6. Lambda concurrency 1000 That will result in more or less 2.5K TPS. Th...
Latency can be a potential issue with serverless applications, but some steps can be taken to minimise it. By following these best practices, you can help reduce latency in your AWS Lambda environment and ensure that your functions can execute quickly and efficiently. In addition, doing so will significantly influence your application's scalability...
A computer system can experience many different latencies, such as disk latency, fiber-optic latency, and operational latency. The following are important types of latency. Disk latency
Jul 13, 2024 · This chapter will define throughput and latency, compare the two, explore best practices for improving both, and discuss design patterns and options available on major cloud providers such...
Jun 12, 2023 · This article will provide an overview of high availability, fault tolerance, and disaster recovery in the context of AWS. You will understand the importance of each concept and explore the AWS services that can help you achieve them.
People also ask
What is dispatch latency & context switching?
What causes dispatch latency?
Does AWS Lambda have latency?
What are the disadvantages of AWS Lambda?
Application Signals collects standard application metrics from the services that it discovers. These metrics relate to the most critical aspects of a service's performance: latency, faults, and errors.
