Introduction and deployment of Prometheus

1. Introduction to Prometheus Prometheus is an open source system for monitoring and alarming. It has now joined the CNCF Foundation as the second CNCF-hosted project after k8s. In the kubernetes container management system, Prometheus is often used for monitoring. It also supports multiple exporter s for data collection and pushgateway fo ...

Posted by vintox on Sun, 28 Nov 2021 19:16:18 +0100

Microsoft Planetary Computer - what are the visual datasets?

Introduction: The website is as follows: Planetary Computer For planetary cloud computing, I have previously written an article on Microsoft's cloud computing, with specific links: Microsoft Planetary Computer -- Introduction to Planetary Computer data resource manager! How is it different from GEE_ This star bright blog - CSDN blog   ...

Posted by nesargha on Sun, 28 Nov 2021 13:51:29 +0100

Kubernetes runtime migration from docker to containerd

01 Preface Kubernetes (hereinafter referred to as k8s) announced that docker will be abandoned as a container after version 1.20, and the dockershim component will be completely removed in version 1.23 released at the end of 2021. Dockershim is a built-in component of kubelet. Its function is to make k8s it possible to operate dockers through ...

Posted by corruption on Sat, 27 Nov 2021 03:12:44 +0100

Intranet master-slave Intelligent DNS will no longer worry

WeChat official account: operation and development story, author: Jiang Zong Write in front With the rapid development of cloud native era, all walks of life have entered k8s. In just two or three years, recruitment requires "at least one year k8s practical experience". So that many traditional technologies used by many people in ...

Posted by ev66 on Tue, 16 Nov 2021 09:33:20 +0100

2021 national vocational college skills competition higher vocational group cloud computing competition test paper - Private Cloud

preface [schedule name] Game 1 of cloud computing competition - Private Cloud An enterprise plans to use OpenStack to build an enterprise cloud platform to realize resource pooling elastic management, centralized enterprise application management, unified security authentication and authorization. The system architecture is shown in Figu ...

Posted by Shad on Wed, 10 Nov 2021 06:31:20 +0100

Chapter 2 Cache and memory

This blog is a brief note of DPDK in simple terms 2.1 introduction to storage system For packet processing, there are mainly two parts (personal understanding), one is CPU The other is CPU Scheduling of instructions and data to be processed. How to give full play CPU On the basis of performance Cache,Memory, SATA Disk, PCIe Devices (network ...

Posted by dbradbury on Mon, 08 Nov 2021 11:29:28 +0100

On the principle of openstack network (openstack can't access the Internet?)

On Openstack network This version is Stein version and adopts OVS network Test environment: 1 control node, 2 computing nodes 1, Network structure diagram Borrow 2 online pictures Figure 1 👇: Figure 2 👇: 2, OVS analysis As shown in Figure 2 vm1 represents an instance QBR XXX stands for Linux virtual bridge You can view it through ...

Posted by germanjulian on Wed, 03 Nov 2021 09:34:37 +0100

Mysql transaction details

1, Mysql transaction concept Mysql transactions are mainly used to process data with large amount of operations and high complexity. For example, in the personnel management system, to delete a person, you need to delete not only the basic data of the person, but also the information related to the person, such as mailbox, article, etc. ...

Posted by ShimmyShine on Sun, 24 Oct 2021 15:54:06 +0200

CephFS highly available NFS Ganesha gateway

1. General2. Terminology3. nfs-ganesha 3.1. Introduction3.2. Architecture 3.2.1. Overall structure diagram3.2.2. Architecture description3.2.3. Genesha Rados cluster design 3.2.3.1. Client recovery (single case)3.2.3.2. Grace period (single case)3.2.3.3. Reboot Epochs3.2.3.4. gracedb3.2.3.5. Cluster 3.3. Implementation of high a ...

Posted by regexpert on Sun, 17 Oct 2021 19:51:09 +0200

Interpretation of Keepalived High Availability Mechanism

Interpretation of Keepalived High Availability Mechanism For the Keepalived installation, please refer to the previous article: High availability haproxy + kept installation and deployment configuration preface: In the previous article, I introduced how to install the keepalived+HAProxy service. This article mainly interprets the high avai ...

Posted by jdlev on Thu, 23 Sep 2021 11:27:43 +0200