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allocation function ngx_alloc, ngx_calloc, ngx _ /** Copyright (c) Igor Sysoev * copyright (c) nginx, Inc. */# include ngx_uint_t ngx_pagesize; ngx_uint_t bytes; ngx_uint_t ngx_cacheline_size;/** encapsulate malloc to increase allocation failure judgment and debugging logs */void * ngx_alloc (size_t size, ngx_log_t * log) {void * P; P = malloc (size); If (P = NULL) {ngx_log_error (ngx_log_emerg, log, ngx_errno, "malloc (% Uz) failed ", size);}/* spec

# User nobody;Worker_processes 1; # Error_log logs/error. log;# Error_log logs/error. Log notice;# Error_log logs/error. Log Info; # PID logs/nginx. PID; Events {Worker_connections 1024;} HTTP {Default_type application/octet-stream;Log_format main '$ remote_addr-$ remote_user [$ time_local] "$ request "''$ Status $ body_bytes_sent "$ http_referer "''"$ Http_user_agent" "$ http_x_forwarded_for "';# Access_lo

s[0]*31^ (n-1) + s[1]*31^ (n-2) + ... + s[n-1] hash with this algorithm s[0]*31^ (n-1) + s[1]*31^ (n-2) + ... + s[n-1] hash with this algori

use[kqueue|rtsig|epoll|/dev/poll/select|poll depending on the system type]; This parameter is used in conjunction with the system, different systems use different parameters, we use Centos6.5, so we adjust to epoll model.1. The specific configuration parameters are as follows:650) this.width=650; "Src=" https://s3.51cto.com/wyfs02/M01/8D/8D/wKiom1ihWvSzmZeJAABrm1CjaE0076.jpg-wh_500x0-wm_ 3-wmp_4-s_3596763715.jpg "title=" 9e3f69f3-fc96-4ce2-be69-4ecdf

: This article mainly introduces nginx advanced data structure Source Code Analysis (1) ----- two-way linked list. For more information about PHP tutorials, see. Ng_queue_t is an ordered container provided by Nginx. it organizes data together in a two-way linked list. As an ordered container, a linked list can efficiently perform insert, delete, and merge operat

Problem: nginx/fpm/php all PHP files say ' File not found. ' Resolution: Possible Scenario 1:In the Nginx php-fpm configuration problem (1), we analyze a possible cause, in this article, weAnalyze another scenario that could lead to this problem.In nginx.conf I configured the user and group information for, (according

Label: Style Color Io OS ar SP file on code InconfigureRunningauto/optionsRun the scriptauto/initScript, the work is as follows.1 MAKEFILE file name variable By default: objs/Makefile The Code is as follows: NGX_MAKEFILE=$NGX_OBJS/Makefile2. source file name variable By default: objs/ngx_modules.c The Code is as follows: NGX_MODULES_C=$NGX_OBJS/ngx_modules.c3 header file name variables By default: objs/ngx_auto_headers.h objs/ngx_auto_config.

optimization, the method only need to IO data file once, and the algorithm 1 more than the number of Io, so the algorithm 2 than the algorithm 1 in engineering has better operability. Step two: Find Top 10 (Find out the 10 most occurrences)Algorithm one: normal sort (we onl

These days in the review of computer principles, see binary system suddenly think of binary system to 10 into the formula, and then second thought to 10 binary system to the formula seems to have no impression, that simply write it out.The results of the slag I found, can not write it! What sequence, logarithm, xx function forget all clean, and need to have to judge the place, so collapsed, before the algeb

S [0] * 31 ^ (n-1) + s [1] * 31 ^ (n-2) +... + s [n-1] Using this algorithm hashs [0] * 31 ^ (n-1) + s [1] * 31 ^ (n-2) +... + s [n-1] How a

FastCGI management patch for PHP. You can smoothly change the php. ini configuration without restarting PHP-CGI ):Create a php-fpm.conf file in the/usr/local/webserver/PHP/etc/directory:Rm-F/usr/local/PHP/etc/php-fpm.conf 6/usr/local/PHP/etc/php-fpm.conf Enter the following content (if you install nginx + PHP for program debugging, change All relative paths in this config are relative to PhP's install prefix PID File

In fact, it should be called static loading of each module, because the loading process is actually completed during compilation, rather than dynamic loading according to the configuration file during runtime. In such a scenario, a program has many modules, and the configuration of each module is written in its own code (may be. CPP, which may also be. h), simply declare it at the call and load it in. If this module is not needed one day, simply block the code at the call. This code is extracted

Nginx event processing function ngx_process_events_and_timers. in Linux, ngx_epoll_process_events will be called. Then epoll_wait gets the corresponding event and then processes it accordingly, that is, listening and processing are handled in the same thread, which has several problems: 1. If there are multiple events, you must wait until the processing of the previous event is completed before processing

1. Basic Information Module name: round_robin File Location: ngx_http_upstream_round_assist.c Running stage: content_phase Rr policy as the Default policy Each request is distributed to different backend servers one by one in chronological order. If the backend servers are down, they can be removed automatically.For example:Upstream upload ATS {Server 10.1.1.107: 88 max_fails = 3 fail_timeout = 3 s Weight = 9;Server 10.1.1.132: 80 max_fails = 3 fail_t

1. Problem description In large-scale data processing, often encountered a kind of problem is to find the highest frequency of the largest number of top K, or from the mass of data to find the maximum number of the first k, such problems are commonly referred to as "top K" problem, such as: In search engines, statistical search the most popular 10 query words , in the song Library, the highest download rat

Implement 1+2+...+100 with assembly language;Classroom Assignments;Calculate 1+2+...+100DATA SEGMENT COUNT DW0 ;CountDATA ENDS stack SEGMENT PARA stack BUF DW 20H DUP (0) LEN EQU $-bufstack endscodeseg segmentassumeCS:CODESEG,SS:STACK,DS:DATASTART:;Initialize stack segment SS and data segment DS MOVAx,stackMOVSs,ax

1. Installing Nginx 2. Configure nginx.conf:: server{Listen 80; server_name weixin.xxx.com; (Domain name) CharSet Utf-8; Location/{ Proxy_pass http://localhost:81; (point to Server 81 port local project Tomcat) Proxy_set_header Host $host; Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for; } Location ~. *\. (gif|jpg|jpeg|png|bmp|swf) $ (pars

curious to say is the device driver, but did not provide the application interface open write method, baffled its solution; and then turned back and forth several books, and found that platform seemedThere is no and not designed to provide these interfaces, you can register the character/Mix/class device in the driver initialization or ProE probe function, to provide write open for the application, and the character device and platform device-drivenContact seems to only provide registration and

In front of the foundation, all skills are floating clouds. The title is like this.Requires the output of the console to be written out.function Parent() { this.a = 1; this.b = [1, 2, this.a]; this.c = { demo: 5 }; this.show = function () { console.log(this.a , this.b , this.c.demo ); }

pipelines and redirects:> Computer 5 major devices: Arithmetic, controller (CPU), Memory (RAM), input device, output devicePrograms: Directives and dataAddress bus: Memory addressingData bus: Transferring dataControl Bus: Control instructionsRegister: CPU Ephemeral memoryI/O devices:Input device:Output device:System settingsDefault output device: Standard output, STDOUT, 1Default input device: standard input, Stfin, 0Standard error Output: STDERR, 2Standard output: KeyboardStandard output and Er