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The sending buffer of TCP socket is actually a queue of the struct sk_buff. We can call it a sending Buffer Queue, represented by the struct sock member sk_write_queue (struct sk_buf_head. Sk_write_queue is a struct type of struct sk_buff_head,

What changes does Google make in the kernel?A company compared the standard kernel and Android kernel, and found that Google modified 75 files and added 88 files. The company also annotated these modified and new files. Goldfish -- 44

As a powerful development platform, Visual Studio has provided many debugging methods. However, these debugging methods are relatively stuck on the surface. They are nothing more than setting breakpoints, viewing variables, and calling the stack

Http://blog.csdn.net/cyblueboy83/article/details/1791713   (1) applications can use TCP socket to send application data to the network by calling send (write, sendmsg, etc, the TCP/IP protocol stack then sends the application data (TCP datagram)

Inter-process communication (I)-pipelines and inter-process communication Pipelines I will use several blogs to summarize several methods of communication between processes in Linux. I will write the summary at the beginning in each blog of this

Restrictions on the URL Length in HTTP (data sorting) and url LengthURL length limit in HTTP First, the url Length in http 1.1 is not restricted: The HTTP protocol does not place any a priori limit on the length of a URI. servers MUST be able to

I. ip accounting　　 1. configuration method 　　 Router (config) # int s 0/0 　　 Router (config-if) # ip accounting output-packets 　　 Router # sh ip accounting output-packets 　　 Source Destination Packets Bytes 　　 192.1.1.110 192.1.1.97 5 500 　　 172.17.2

Linux0.11 kernel-Memory Management 1. initialization, linux0.11 Memory Management [All Rights Reserved. For more information, see the source. Source: http://www.cnblogs.com/joey-hua/p/5597705.html] The Linux kernel uses the memory paging mechanism,

One process hang to analyze the problem..., hang .. During the past two days, some people used the data verification tool and found that the hang process had crashed. I did not know why. I simply looked at the process stack. Although the problem was

Linux programming memory ing and linux programming ing I. Overview Memory ing is used to create a new memory ing in the virtual address space of the calling process. Memory ing can be divided into two types: 1. File ing: maps all or part of a common

  Cookie is a piece of text information. Storing cookies on the client is one of the methods in which ASP. NET session States associate requests with sessions. Cookies can also be directly used to maintain data between requests, but the data will be

URL length restrictions in HTTP (data collation) URL length limit in HTTP First of all, in fact the HTTP 1.1 protocol to the length of the URL is unrestricted, the original protocol: The HTTP protocol does not place any a priori limit on the

View HP-UX Kernel Parameter commands SysdefKmtune-l For reference only: Acctresume and acctsuspendUsed only when HP-UX statistics are enabled. These variables are the percentage of the file system where the log file is located (/var/adm by default.

COOKIE and Session Introduction1, the cookie does not belong to the HTTP protocol scope, because the HTTP protocol cannot maintain the state, but actually, we need to "maintain the state", therefore the cookie is born in such a scene.A cookie works

Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the

HTTP protocolFor the HTTP protocol, refer to the following:HTTP协议漫谈 http://kb.cnblogs.com/page/140611/HTTP协议概览 http://www.cnblogs.com/vamei/archive/2013/05/11/3069788.html了解HTTP Headers的方方面面 http://kb.cnblogs.com/page/55442/When we enter www.linux17

Block: The system logically divides the area of the disk into a number of blocks, each of which can be 1024, 2048, 4096 (bytes) device files do not take up disk blocks, and each block has an inode number Super Block super blocks data for block

If you simply compare the differences between Redis and memcached, most of them will get the following ideas:1 Redis not only supports simple k/v-type data, but also provides storage of data structures such as List,set,hash.2 Redis supports backup

Problems encountered in traditional mysql+ memcached architecturesThe actual MySQL is suitable for massive data storage, through the memcached to load hot data to the cache, speed up access, many companies have used such a structure, but with the

I. Redis(1) Introduction:Redis is an open source API that is written in ANSI C, supports the web, can be persisted in memory, key-value databases, and provides multiple languages. is one of the NoSQL databases.Redis is a key-value storage system.