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AWS benefits: -- Pay us you go, need front payment needed for hw etc -- speed and agility, you can deploy service fast without waiting any hw deliver 阅读全文
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There are two probe used for k8s pod health check 1 liveness check, check if the pod is running 2 readiness check, verify if the pod has started , onc 阅读全文
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1) Hard code in code base 2) add in deployment as environment variable apiVersion: apps/v1beta1 kind: Deployment metadata: name: myapp namespace: myap 阅读全文
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flow of traditional cookie-based authentication: User enters their login credentials. Server verifies the credentials are correct and creates a sessio 阅读全文
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k8s in k8s, k8s apiserver, control manager, schduler are running as pods in k8s. Apiserver are runing as deamonsets in masternode only; kubelet and ku 阅读全文
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K8s master include apiserver, schduler, contorller manger. Apiserver provide interface beween others, it runs both server and client when it talk to N 阅读全文
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https://blog.container-solutions.com/kubernetes-deployment-strategies 阅读全文
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1 bio 2 The problem is too man thread will make too much swap between kernal space and userspace which is not efficient. 3 nio The problem is kernal n 阅读全文
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状态描述： CLOSED：这个没什么好说的了，表示初始状态。 LISTEN：这个也是非常容易理解的一个状态，表示服务器端的某个SOCKET处于监听状态，可以接受连接了。 SYN_RCVD：这个状态表示接受到了SYN报文，在正常情况下，这个状态是服务器端的SOCKET在建立TCP连接时的三次握手会话过 阅读全文
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Kafka is a platform which stream data (e.g logs, metrics ) etc between different apps. Kafka serves and stores data using a publish-subscribe pattern 阅读全文