How can I improve Prometheus performance without guessing?
A performance change should improve the measured workload without sacrificing correctness or wasting capacity. Which measurements and bottlenecks should be considered first?
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prometheusHow should I handle configuration and secrets in OpenTelemetry?
Configuration must be available to the application without exposing credentials in source control, logs or browser code. What belongs in the runtime and which access controls matter?
opentelemetryHow should I approach a Java upgrade?
An upgrade needs a compatibility check, a tested release and a recovery path. Which changes deserve particular attention before the new version reaches production?
javaImportError: cannot import name 'json' from itsdangerous
I am trying to get a Flask and Docker application to work but when I try and run it using my docker-compose up command in my Visual Studio terminal, it gives me an ImportError called ImportError: cannot import name 'json' from itsdangerous . I have tried to look for possible solutions to this problem but as of right now there are not many on here or anywhere
docker
python
flaskDifference between Container port and targetport in Kubernetes?
How is container port different from targetports in a container in Kubernetes? Are they used interchangeably, if so why? I came across the below code snippet where containerPort is used to denote the port on a pod in Kubernetes. apiVersion: apps/v1 kind: Deployment metadata: name: postgres-deployment labels: app: demo-voting-app spec: replicas: 1 selector: m
kubernetesHow should I handle configuration and secrets in React?
Configuration must be available to the application without exposing credentials in source control, logs or browser code. What belongs in the runtime and which access controls matter?
reactMemory allocation to docker containers after moving to WSL 2 in Windows
I recently updated my Docker environment to run on WSL 2 on Windows. For setting memory allocation limits on containers in previous versions, I had option in Docker Desktop GUI under Settings->Resources->Advanced->Preferences to adjust memory and CPU allocation. After WSL 2 integration, I am not able to find that option. I assume I should run everyt
helm not creating the resources
I have tried to run Helm for the first time. I am having deployment.yaml, service.yaml and ingress.yaml files alongwith values.yaml and chart.yaml. deployment.yaml apiVersion: apps/v1 kind: Deployment metadata: name: abc namespace: xyz labels: app: abc app.kubernetes.io/managed-by: {{ .Release.Service }} spec: replicas: 3 template: spec: containers: - name:
What should I check first when Prometheus fails?
A failure needs to be narrowed down before settings are changed or operations retried. Which evidence best separates application errors from environment and dependency problems?