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Introduction FastDFS belongs to the category of distributed storage. The distributed file system FastDFS is very suitable for small and medium-sized projects. When I took over the maintenance of the company's image service, I began to contact it. The purpose of this article is to summarize the knowledge of FastDFS. Two 2-core 4G alicloud serv ...

Alibaba P7 mobile Internet architect advanced video (in daily update) for free, please click: https://space.bilibili.com/474380680 Take out full category page practice After investigating the features and implementation principles of Flutter, the take out plan is to launch the full category page of Flutter in grayscale. For the integration mode ...

1. New features of SYSTEMd Process (start) all services in parallel. Service control logic based on dependency definition System state snapshot Activate the process on demand, only when it is accessed for the first time can it really start; 2. Common unit types of SYSTEMd target: simulate the implementation level; service: define system service ...

Reasonable use of local cache can effectively reduce network overhead and response delay. The HTTP header also defines many cache related domains to control the cache. Let's talk about the implementation details of the cache part in OkHttp today. HTTP cache policyFirst of all, let's understand the related domains of the cache part in the HTTP p ...

Service provider Eureka client 1. overview 2. steps 2.1 new construction 2.2 startup 2.3 configuration file application 1. overview In fact, it is a client. The service is registered in the eureka service center, so that the service can be provided to other clients. 2. steps 2.1 new constr ...

background In the last article, we talked about how to build a registry. This time, we talked about how to use nacos as a registry. Spring cloud Alibaba basis to create basic dependency First of all, we create a spring cloud Alibaba basis basic dependency project to work out the common version we want to use. spring boot version 2.1.7.RELEASE ...

The following Automatic Workload Repository is represented by AWR 12c is self managed most of the time. Maintenance tasks run automatically and diagnostic information is collected regularly. Diagnosing performance problems is time-consuming and requires skills. 12c has the Alert system and diagnostic ad ...

Feign declarative call I. about Feign When using the Ribbon and RestTemplate to consume services, one of the most troublesome points is that every time you need to splice URL s and organize parameters, so with Feign declarative call, Feign's primary goal is to make the calling process of Java HTTP client very simple. It adopts the style of decl ...

background Read the fueling source code! - by Lu Xun A picture is worth a thousand words. --By Golgi Explain: Kernel version: 4.14 ARM64 processor, Contex-A53, dual core Using tool: Source Insight 3.5, Visio 1. overview This article will analyze watermark. Simply put, when using the zoned page frame allocator to allocate pages, the availa ...

#### script installation virtual machine #!/bin/bash virt-install \ --cdrom /home/kiosk/Desktop/rhel-server-7.3-x86_64-dvd.iso \ --ram 1024 \ --cpus 1 \ --disk /var/lib/libvirt/images/test.qcow2,bus=virtio,size=9 \ ##I don't know. Wait a minute. --name test \ --network bridge=br0,model=virtio & ##In ...