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Objective of this paper Because the image and template (OpenJDK8) officially provided by OpenShift does not fully meet the business needs: Flight recording function is not included. Only OpenJDK11 and above are open source by Oracle The generated heap dump is very large and slow (the minimum JVM heap of the company project is 16G and the m ...

DAY ONE - PM There are two ways to modify the container configuration file: Log in to DOCKER and modify the corresponding configuration file [root@controller0 ~] docker exec -it keystone bash ()[root@controller0 /] vi /etc/keystone/keystone.conf Log in to controller0 to modify the configuration of container mapping. The following directo ...

Docker compose project is an official open source project of docker. Its main responsibility is to realize the rapid orchestration of docker container clusters.       Docker compose divides the managed containers into three layers: project, service and container. All files (docker-compose.yml, extensions files or ...

preparation Intranet environment deployment project, the configuration environment is cumbersome. Use the docker import / export image and container function to create and export the project environment on the networked server, and then import it directly on the intranet server. Offline installation 1. Download docker installation package Do ...

Mall infrastructure diagram: Preparation of necessary components docker installation, sql,redis Each image of docker can be regarded as loading an application on a complete and independent Linux system. instructions For more detailed instruction learning, refer to: docker Instruction Learning docker images: view the installed i ...

If we run cloud native workload balancing facilities, we can better protect our services. After all, services are often exposed to the public and workloads may belong to different tenants. In this blog post, I will show you how attackers accessing our Kubernetes cluster can make container escape: run Pod to obtain root permission, escape ...

Docker Basic composition of Docker Docker installation uname -r view system kernel Cat / etc / OS release to view the system configuration [root@palmer docker]# cat /etc/os-release NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0;31" CPE_NAME="cpe:/o ...

What is ASCII-Generator.site? ASCII-Generator.site is a Django website for generating ASCII art character maps from images or text 🎨 What is Django? Django is a free and open source WEB program framework written in Python, which adopts the framework mode of MTV, namely model M, view V and template T. It can help you develop WEB si ...

Guide map of this section: https://www.processon.com/view/link/5fcc5e81f346fb3fc8776929 1. 1. ndarray object 1.1 why ndarray list problem The element of Python list can be any object, and the pointer of the object is saved in the list. For example, storing [1, 2, 3] requires three pointers and three integer objects, which wastes memory ...

1 sliding window priority_queue is often used 0480 sliding window median 1 topic https://leetcode-cn.com/problems/sliding-window-median/ 2 problem solving ideas 1 use a multiset to maintain the current window, 1.1 do not use priority_ The element cannot be deleted because of the queue1.2 the reason why map/set is not used cannot contai ...