• https://zhuanlan.zhihu.com/p/362406703
  • https://www.jianshu.com/p/76ee1565b4e2
  • https://segmentfault.com/a/1190000000751601

  • docker v.s. podman https://www.imaginarycloud.com/blog/podman-vs-docker/

  • terraform v.s. helm
    • Terraform can be used to manage infrastructure and all the attached resources,
    • while Helm’s primary purpose is to manage applications and application states from within a Kubernetes cluster.
    • https://stackoverflow.com/questions/60562757/helm-vs-terraform
  • terraform v.s. aws-cloudformation
    • Terraform and CloudFormation are both infrastructure-as-code (IaC) tools.
    • CloudFormation is developed by AWS and only manages AWS resources.
    • Terraform is developed by HashiCorp and can manage resources across a wide range of cloud vendors.

SQS vs RabbitMQ https://stackoverflow.com/questions/28687295/sqs-vs-rabbitmq

SMACK(Spark, Mesos, Akka, Cassandra, Kafka) stack https://gist.github.com/Arnauld/b98f41b7a245c859be34f6efa9627513


difference between docker, compose and kubernetes

  • https://stackoverflow.com/questions/47536536/whats-the-difference-between-docker-compose-and-kubernetes

Liveness and readiness probe in kubernetes

  • Both liveness & readiness probes are used to control the health of an application.
  • Failing liveness probe will restart the container, whereas failing readiness probe will stop our application from serving traffic.
  • https://medium.com/@AADota/kubernetes-liveness-and-readiness-probes-difference-1b659c369e17

Kafka consumer groups and benifits, partition , offset etc..

  • https://www.conduktor.io/kafka/kafka-consumer-groups-and-consumer-offsets

How do you deploy app in k8s

  • https://kubernetes.io/docs/tutorials/kubernetes-basics/deploy-app/
  • Using kubectl to Create a Deployment https://kubernetes.io/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro/

Ingress in kubernetes

  • https://kubernetes.io/docs/concepts/services-networking/ingress/

How to create authorization keys in k8s and how it work

  • https://kubernetes.io/docs/reference/access-authn-authz/authorization/
  • https://hulining.github.io/2020/06/04/interview-questions-kubernetes/
  • https://zhuanlan.zhihu.com/p/428243855
  • https://github.com/yangpeng14/DevOps/tree/master/kubernetes
  • https://zhuanlan.zhihu.com/p/74560934


Note that a trailing _ in PyTorch signifies that the operation is performed in-place

import math

weights = torch.randn(784, 10) / math.sqrt(784)
bias = torch.zeros(10, requires_grad=True)