JVM common interview questions Guide

Original link https://www.cnblogs.com/jinyujia/p/15697183.html Basics 1. What is the relationship between JDK, JRE and JVM? What is a JVM? English name (Java Virtual Machine ),namely JAVA Virtual machine, which only recognizes .class Type file, it Be able to class The bytecode instruction in the file is recognized and the upward ope ...

Added by temujinleal on Fri, 04 Mar 2022 13:43:51 +0200

Kubernetes log query analysis practice

Introduction: This paper will introduce how to collect and query and analyze Kubernetes (hereinafter referred to as K8s) logs based on log service. In addition, a brief introduction to Ingress and Audit schemes is attached. In order to facilitate you to deepen your understanding through operation, this paper provides detailed operation steps, c ...

Added by coderb on Fri, 25 Feb 2022 16:35:26 +0200

Current limiting scheme for cloud native services

The purpose of current limiting is to protect the system when the system flow is too large to avoid system instability or even failure due to too large flow. There are many current limiting schemes in the cloud native environment. The lightweight scheme can use the memory data combination scheme of Bucket4j + Hazelcast/ignite/infinispan. Senti ...

Added by the_NEWBIE_ON_THE_BLOCK on Thu, 24 Feb 2022 11:24:34 +0200

Introduction to Kubernetes proficient in DaemonSet, Job, CronJob controller

What is a daemon set The daemon set ensures that a copy of a Pod is running on all (or some) nodes. When nodes join the cluster, a new Pod will be added for them. When a Node is removed from the cluster, these pods will also be recycled. Deleting a DaemonSet will delete all pods it creates Some typical uses of using DaemonSet: Run the cluste ...

Added by foxtrotwhiskey on Mon, 21 Feb 2022 09:26:48 +0200

WebAssembly + Dapr = next generation cloud native runtime?

Introduction: cloud computing has become a key infrastructure supporting the development of digital economy. Cloud computing infrastructure is also evolving. From IaaS to container as a service (CaaS), to Serverless container and function PaaS (fPaaS or FaaS), new computing forms have emerged one after another. Cloud native technology represent ...

Added by Brendan Nolan on Fri, 18 Feb 2022 01:27:12 +0200

zookeeper -- zk implementing distributed lock

Reasons for locking: Multitasking to grab a resourceMultitasking requires writing to resourcesMultitasking access to resources is mutually exclusive 1. What happens when you are multithreaded without using locks Define a generated order ID class, that is, a resource for multitasking public class OrderNumGenerator { //Global order id ...

Added by jason213123 on Tue, 15 Feb 2022 07:07:12 +0200

RocketMQ grayscale of full link grayscale

Author: Yi ZhanIn the previous series of articles, we have introduced the scenario of MSE for full link traffic control through the function of full link canary. We have learned how to realize the full link gray scale of RPC calls such as Spring Cloud and Dubbo, but it does not involve the traffic control in asynchronous scenarios such as messa ...

Added by eddieblunt on Mon, 14 Feb 2022 13:07:11 +0200

[cloud native actual combat] learning notes to understand cloud native and Docker quick start

Cloud native actual combat is one of the cloud native courses jointly created by Shang Silicon Valley and KubeSphere Course link: The first lesson of cloud native Java Architect: K8s+Docker+KubeSphere+DevOps_ Beep beep beep_ bilibili Learning materials: k8s official website: Kubernetes documentation | kubernetes Cloud native actual combat &mi ...

Added by bpat1434 on Mon, 14 Feb 2022 06:44:28 +0200

Use C # to obtain Kubernetes cluster resource information

Hello, I'm Yan Zhenfan, a researcher of Microsoft MVP laboratory in this issue. Today, I will share with you through code examples how to write components using Kubernetes API Server to obtain the resource object information of the cluster from K8S. Yan Zhenfan, Microsoft's most valuable expert, is currently learning about microservices. You ...

Added by Jeremy_North on Thu, 10 Feb 2022 00:18:47 +0200

[cloud native theme-24]: k8s - detailed interpretation of kubernetes (k8s) master cluster construction and installation process - Installation of initial control node

Author home page( Silicon based workshop of slow fire rock sugar): Wenhuo rock sugar (Wang Wenbing) blog_ Silicon based workshop of slow fire rock sugar_ CSDN blog Website of this article: https://blog.csdn.net/HiWangWenBing/article/details/122759250 catalogue Step 1: Cluster Planning 1.1 official structure of k8s 1.2 experimental archite ...

Added by crimsonmoon on Fri, 04 Feb 2022 15:02:11 +0200