use wdcp panel system load more than 1 means a lot of pressure, but several people visit at the same time, the system load is very heavy such a configuration should be OK for a few people . how to troubleshoot or upgrade now any website is very...
Conceptual problems, I found some articles that I didn t understand. most articles say that NodeJs is suitable to be an IO server because of the high throughput of the asynchronous model. But the asynchronous model is supposed to mean that initiating...
I would like to ask the front end to do a static website, but some resources need to be run on the server to display. The editor comes with its own service. Do you still need to configure the service when the code is online? Will it be a problem to use o...
I used readfile () in a program that reads pictures and turned off memory buffering to make sure I didn t run out of memory. however, when monitoring resources, it is found that there is twice as much IO as the direct output image of Nginx. Nginx s...
problem description for node applications built with egg, Node serves as an intermediate server, providing server rendering and requesting data from the server. After deployment to the server, memory growth occurs continuously, which is suspected to b...
when I was at the front end of the Tencent interview the day before yesterday, I was asked a server question: when server A requests server B, the timeout does not respond or the wrong data is returned. What is the cause of the problem? How to locate the...
A front-end dog, use vue+express to do a blog, and then rent a minimum configuration Tencent Cloud (centos system) I want to deploy vue and express projects on the cloud. At present, I only know how to install node and nginx environment first, but where...
The phenomenon is shown in the picture. The sudo command has been stuttered for a long time and has been executed slowly according to the sudo instruction-Xiao Liqun s personal space-open source China https: my.oschina.net xlqsta.. similar art...
Server 2000 TPS, with an average access time of 10ms, can you calculate the number of concurrent users? What is the relationship between the two? ...
recently contacted more than one server, there are some problems. one server An is in Hangzhou and one server B is in the United States. With cdn, overseas users can access server B and domestic users can access server A. For example, users have to up...
when learning Golang as a server, I now encounter a problem: when using HTML to submit a file, the browser can get the html, sent by the server, but if it is submitted locally, the browser will be located as the home page. The specific problem is marked...
for the time being, only one server in Hangzhou is used as the backend for mobile applications, and there is no content for large-capacity video and image transmission. If the delay for overseas access is usually 20000ms, does this speed have any great i...
now there is a customer who needs to make a website. How many servers his own company has left there? no one wants to ask how the server bought by the company is filed, like Aliyun s direct Aliyun filing. I don t know that the server is telecom s netw...
bought a rack server on a treasure, now need to do micro-service test, want to do multiple virtual servers on the machine. Is there any software that can help me set up the virtual server quickly? Do not windows ...
suppose the requirement is as follows: Nginx listens on port 80, the domain name of the backend server assumes http: hello.com, Nginx accepts requests from the client as a proxy, and then Nginx forwards the request to http: hello.com. If the conne...
because the disk space is full and cannot be expanded directly, a disk has been added. now intends to use nginx to determine whether the file exists, otherwise find another path. can it be solved by using nginx, and how to configure the configuration f...
because you are a novice, please try to keep it simple first: ipsec service [root@VM_88_10_centos ~]-sharp systemctl status ipsec ipsec.service - Internet Key Exchange (IKE) Protocol Daemon for IPsec Loaded: loaded ( usr lib systemd system ipsec.se...
question 1: obviously, when you install IPtable, query, you are prompted not to install question 2: Baidu said that you still need to install iptable-service, if you are uneasy, how to keep the rules saved after IPtable restart? Please forgive me if y...
problem description hive is stuck or has no speed while executing mapreduce read the log hadoop resourcemanager reported an error 2018-07-17 19br 17br the environmental background of the problems and what methods you have tried set up a hadoop c...
The problem goes something like this: mysql master-slave replication. After configuration, check that the slave table has a normal status: Slave_IO_Running: Yes Slave_SQL_Running: Yes then insert data into the master table without Synchronize, an...
Is it true that individual operations of Redis are atomic and transaction operations are non-atomic? ...
problem description I want to make sure that the input of each input box does not interfere with each other, and the data entered in each row can be different. It should be the wrong way of writing my v-model . the environmental background of the pro...
directory level webpack vue -sharpshadow-rootclosed elementsfill ...
if I want a cookie to be able to use under both www.abc.com and act.abc.com, I can write when setting cookie. document.cookie="name=value;path= ;domain=.abc.com"; the question is, now .abc.com is hard written in the code, is there any way t...
The table field in element is written dead, how to flexibly pass it into the specified field? For example, I know that the backend will return some key and valuations, and I want to replace the fields in label and Prop directly. I used v-for to facilita...