The behavior of the backlog argument on TCP sockets changed with Linux 2.2. Now it specifies the queue length for completely established sockets waiting to be accepted, instead of the number of incomplete connection requests. The maximum length of
Introduction: In Linux,/proc/sys/net/core/somaxconn this parameter, a good parameter of the kernel in Linux SomaxconnLook at its parsing:For a TCP connection, the server and client need to have a three-time handshake to establish a network
Reprinted from: Click to open linkIn Linux,/proc/sys/net/core/somaxconn this parameter, a good parameter of the kernel in Linux SomaxconnLook at its parsing:For a TCP connection, the server and client need to have a three-time handshake to establish
Etapi listen () usage introduction, socketapilisten0x02 API Introduction
Maximum length of a fully connected queue:
The backlog stores the three-way handshake and waits for the accept connection, instead of the semi-connection.
When the load is not
Warning Information solution after Redis is started
Solutions for Redis-related problems.
1st cases: after we started the Redis server, we will see three warnings. If we didn't see them, it would be good, but I did. If you see it, you cannot ignore
After some hard work, I will summarize it.ListenParametersBacklog.
PS: server environment:Ubuntu12.04. Client does not matter: IMac OS X 10.7.
Let's take a look at $ man listen, which contains a passage:
If the backlog argument is greater than
Configure Nginx as a static resource server.1. root directory and index file
The root command declares the directory of the file to be searched. Nginx adds the requested URI to the path specified by the root command to obtain the directory
Socket function#include #include int sockets (int domain, int type, int protocol);Create a socket for communicationNumber of references:Domain: Specifies the Communication protocol family (protocol family), often using the value af_inet(IPV4) Type:
Socket function#include #include int sockets (int domain, int type, int protocol);Create a socket for communicationParameters:Domain: Specify communication protocol family (protocol family), common value af_inet(IPV4) Type: Specify socket type,
SsUsed to display the socket information in the active state. The SS command can be used to get socket statistics, which can display and netstat similar content. But the advantage of the SS is that it can show more and more detailed information
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