The Four Golden Signals: Measuring Performance and Reliability in SRE

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In the realm of Site Reliability Engineering (SRE), monitoring the performance and reliability of services is crucial for ensuring a seamless user experience and maintaining operational excellence. The “Four Golden Signals” — Latency, Traffic, Saturation, and Errors — provide a comprehensive framework for assessing system health. This article delves into each of these signals, exploring their significance, methodologies for monitoring, and real-life examples. Continue reading The Four Golden Signals: Measuring Performance and Reliability in SRE

Google Cloud Professional DevOps Engineer Q120

question-and-answer

You are building and deploying a microservice on Cloud Run for your organization. Your service is used by many applications internally. You are deploying a new release, and you need to test the new version extensively in the staging and production environments. You must minimize user and developer impact. What should you do? Continue reading Google Cloud Professional DevOps Engineer Q120

Google Cloud Professional DevOps Engineer Q119

question-and-answer

You work for a global organization and run a service with an availability target of 99% with limited engineering resources. For the current calendar month, you noticed that the service has 99.5% availability. You must ensure that your service meets the defined availability goals and can react to business changes, including the upcoming launch of new features. You also need to reduce technical debt while minimizing operational costs. You want to follow Google-recommended practices. What should you do? Continue reading Google Cloud Professional DevOps Engineer Q119

Google Cloud Professional DevOps Engineer Q118

question-and-answer

You are developing the deployment and testing strategies for your CI/CD pipeline in Google Cloud. You must be able to:
– Reduce the complexity of release deployments and minimize the duration of deployment rollbacks.
– Test real production traffic with a gradual increase in the number of affected users.
You want to select a deployment and testing strategy that meets your requirements. What should you do? Continue reading Google Cloud Professional DevOps Engineer Q118

Google Cloud Professional DevOps Engineer Q117

question-and-answer

You are creating a CI/CD pipeline to perform Terraform deployments of Google Cloud resources. Your CI/CD tooling is running in Google Kubernetes Engine (GKE) and uses an ephemeral Pod for each pipeline run. You must ensure that the pipelines that run in the Pods have the appropriate Identity and Access Management (IAM) permissions to perform the Terraform deployments. You want to follow Google-recommended practices for identity management. What should you do? (Choose two.) Continue reading Google Cloud Professional DevOps Engineer Q117