In OpenStack (Stein) multi Region, the zun service can't use Region to obtain network normally
In multiple regions, there are multiple users in each Region, and each user needs to specify his own Region to obtain the corresponding service when accessing the service. If the zun service can't create a container by default, it will report an error and can't find the network. One possible reUTF-8...
Posted by mkili on Sun, 30 May 2021 02:09:24 +0930
MySQL read write separation
1, Read write separation 1. What is separation of reading and writing? The basic principle of read-write separation is to let the master database handle the transactional add, modify and delete operations (INSERT, UPDATE and DELETE), while the slave database handles the SELECT query operation.UTF-8...
Posted by Mr_jmm on Fri, 02 Jul 2021 04:10:20 +0930
Three stages -- elk log analysis filebeat
elk, a new centralized and convenient log management platform, manages a large number of logs through web pages. ELK architecture How is it deployed? Collect information through a series of tools: filebeat and logstash After collecting the information, the information is sent to the elastic seaUTF-8...
Posted by vijaykoul on Wed, 14 Jul 2021 03:34:04 +0930
Kubernetes ------ binary deployment
K8S Common K8s deployment methods Minikube Minikube Is a tool that can run quickly locally-A single node micro K8s，For learning and preview only K8S Some features of are used. Deployment address: https://kubernetes.io/docs/setup/minikube Kubeadmin Kubeadmin It is also a tool to provide kubeadmUTF-8...
Posted by tpc on Thu, 12 Aug 2021 02:54:18 +0930
Building master-slave DNS server in Linux environment of Linux operation and maintenance resolution
I bind introduction In Linux, bind is usually used to set up DNS server, and the bind software is maintained by isc(isc.org). You can find the software in the yum warehouse, configure the yum source, and directly use the command yum install bind to install it. The listening window is 53. The maUTF-8...
Posted by benreisner on Wed, 15 Dec 2021 19:05:52 +1030
[ClickHouse technology series] - ClickHouse aggregation function and aggregation status
Introduction: This article is translated from Altinity's series of technical articles on ClickHouse. ClickHouse, an open source analysis engine for online analytical processing (OLAP), is widely used by companies at home and abroad because of its excellent query performance, PB level data scaleUTF-8...
Posted by Panz3r on Thu, 16 Dec 2021 11:37:28 +1030
K8s management tool kubectl detailed
1. Statement Management 1. Declarative Resource Management Method The only entry point for a kubernetes cluster to manage cluster resources is the interface that calls apiserver through the appropriate methodkubectl is the official CLI command-line tool for communicating with apiserver, organiUTF-8...
Posted by Devious Designs on Fri, 17 Dec 2021 02:55:52 +1030
29, K8s minimum service vulnerability 3-sandbox
1, Why do I need to run containers using sandboxes First, let's look at the architecture of the entire K8s call container: 1. Architecture Overview The architecture is divided into three parts: High-level container management, high-level container runtime and low-level container runtime. The acUTF-8...
Posted by amitkrathi on Fri, 17 Dec 2021 03:39:39 +1030
Big Data Cloud Computing Foundation
big data Feature 4v+1c 1,Base 1. Relationship between big data and cloud computing G=f(x) x - big data f ----- cloud computing 2. Core technology of cloud computing Virtualization 3. Three service categories of cloud computing Software as a service Platform as a service Infrastructure as a servUTF-8...
Posted by mm00 on Fri, 17 Dec 2021 21:12:33 +1030
Concept, use and points for attention of vue event bus EventBus
The most common data transfer in vue components is the transfer between parent and child components. The parent passes data down to the child components through props; The child sends the event to the parent through $emit and carries the data to the parent component. Sometimes there is no relatUTF-8...
Posted by mart on Wed, 22 Dec 2021 18:22:54 +1030