multi wan load balancing

= Ngx_queue_head (posted); ev = Ngx_queue_data (q, ngx_event_t, queue); NGX_LOG_DEBUG1 ( Ngx_log_debug_event, Cycle->log, 0, "posted event%p", Ev), ngx_delete_posted_event (EV);/* Event callback function */ev->handler ( EV);}}Core processing functions of the Ngx_process_events eventThis method, we mainly look at the ngx_epoll_process_events method under the Epoll model (NGX_EPOLL_MODULE.C)1. If a lock is reached, the Accpet/read event is placed on the queue for deferred processing.2. Processes

format of the file is: /url=worker# /examples/*=loadbalancerJkMountFile conf/uriworkermap.properties# Add shared memory.# This directive is present with 1.2.10 and# later versions of mod_jk, and is needed for# for load balancing to work properlyJkShmFile logs/jk.shm# Add jkstatus for managing runtime data 4. Modify CONF/httpd. conf and add the following configuration at the bottom (that is, reference mod_j

load, 1 for multi-network card master standbyThe Miimon is used for link monitoring. For example: miimon=100, then the system every 100MS monitoring link connection status, if one line is not connected to another line; Mode value indicates the mode of operation, he has 0,1,2,3 four modes, commonly used for 0, 12 kinds.The mode=0 indicates that load

CentOS 7 implements Multi-Tomcat Load Balancing through Nginx reverse proxy, centosnginx System Environment: CentOS 7.3 64-bit + JDK 1.8 Software Version: Nginx 1.8.1, Tomcat 8 I have always been interested in Nginx. I have learned Nginx through many articles on the Internet, but it has not been very effective. In addition, I have been busy some time ago, so I ha

Nginx load balancing, multi-site sharing Session Common practices for sharing sessions with multiple sites are as follows: Use. net Automatic Status Service (Asp.net State Service ); Use the. net Session database; Use Memcached. Use cookies to share multiple sites (this method is only applicable when multiple sites are under the same domain name ); Here we

A few days ago in the Apache implementation of multi-tomcat load Balancing cluster through JK, the reference network configuration to configure the configuration file, access to the existing tomcat in the JSP file found that the Apache prompt URL does not exist, and then check the configuration file and the Tomcat project deployment, There is no problem with the

. "That means that a lot of asp.net encryption is dependent on the values in the machinekey, such as Forms authentication cookies, viewstate encryption." By default, asp.net configuration is its own dynamic generation, if a single server, of course, but if more than one server load balancing, machinekey also adopt dynamic generation, each server machinekey value inconsistent, resulting in the results of enc

Article title: multi-link load balancing in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 1.1 ---------------------- Multipath Routing There are already many articles on multipath routing on the Internet. here I just

,{ " ,function(err,data,errdata { if(err) { logger.error (err.stack); } if (data.length) { logger.info (' \ n ' + data.tostring (' UTF-8 ')) ; } if (errdata.length) { logger.error (' \ n ' + errdata.tostring (' UTF-8 '); }});As a practical point of view, the effect is good.3 Smooth restartEach time a new version is released, the server must be restarted.Simple and brutal, kill the main process, all restart, there will be a period of ti

Load balancing (combined with "using Springcloud to build a single-node service provider on idea")With the above Spring-cloud-producer as an example of modification, the controller changes as follows:@RestController Public class Hellocontroller { @RequestMapping ("/hello") public String Index (@ Requestparam String name) { return "Hello" +name+ ", this is producer 2 send first Messge"; c

Some days before doing Apache through JK to achieve a multi-tomcat load Balancing cluster, the reference network configuration after configuring the profile, access to the existing Tomcat file in the Apache hint URL does not exist, and then check the configuration file and Tomcat deployment, Found no problem with configuration deployment. Attempting to access the

the "IP balancing" feature, it is equivalent to buying an "IP balanced" router. We will also discuss this issue in detail below. Except for the third type of "fake multi-wan", the first two routes have their specific purposes, and their use effects are quite different. However, there is also an exception. There is a new type of router that uses the fourth genera

. Strictly speaking, IP balancing is equivalent to the superposition of two or more single WAN products. Second generation: Server Load balancer or Dual Network The second generation of Multi-Wan technology includes two types. One is bal