nginx cache

volumes1) Modification via Nginx configuration fileWorker_processes 2; #与CPU核心数量一致Events {Worker_connections 65535; #每个worker最大并发连接数Use Epoll;}2) through the Linux system kernelUlimit-a #查看最大所有限制Ulimit–hn 100000 #临时有效ULIMIT–SN 100000 #临时有效-S soft limit (user can modify) n (maximum number of files)-H hard limit (user can not modify) n (maximum number of files)Ss-anptu | grep nginx #实时查看并发量有多少人访问 (| WC-L)Per

Level 1 cache, level 2 cache, and lazy loading (transfer) in Hibernate, and level 1 cache in hibernate1. Why cache? Hibernate uses cache to reduce the number of accesses to the database, thus improving the execution efficiency of hibernate. There are two types of

Hello. This should be a problem when Uwsgi gets the kernel release version of your system during installation. In the program uwsgiconfig.py uwsgi_os_k = re.split('[-+]', os.uname()[2])[0] If the system kernel release version is ' 2.6.32_1-12-0-0 ', the program gets uwsgi_os_k = ' 2.6.32_1 ',K_minor = ' 32_1 ' After processing iteration, error in int (k_minor) >= 25 o'clock because K_minor = ' 32_1 ' translates the Digital times wrong. Modify:You can modify the uwsgiconfig.py file in the U

1. Polling (default) Each request is assigned to a different back-end server in chronological order, and can be automatically rejected if the backend server is down. ## The default server#upstream192.168.93.128{ server192.168.1.8:80 weight=2; server192.168.93.128:8080 weight=1;}server { listen80; server_name192.168.93.128; location / { #设置主机头和客户端真实地址，以便服务器获取客户端真实IPproxy_set_header$host; proxy_set_header$remote_addr; proxy_set_header$proxy_add_x_forwar

$uri refers to the requested file and path, and does not contain "?" or "#" stuff like that. $request _uri refers to the entire string of the request, including what is requested later For example:$uri: Www.baidu.com/document $request _uri:www.baidu.com/document?x=1 '). addclass (' pre-numbering '). Hide (); $ (this). addclass (' has-numbering '). Parent (). append ($numbering); for (i = 1; i '). Text (i)); }; $numbering. FadeIn (1700); }); }); The above describes the

Lua sometimes has to ask for outside links, tried several ways to find the best performance in this way location /set { default_type'text/html'; proxy_set_header Host test.yufei.com; proxy_connect_timeout 5s; proxy_send_timeout 3s; proxy_read_timeout 3s; proxy_pass http://test.yufei.com/api?a=$aaab=$bbb; } location /change { set$a''; set$b''; content_by_lua ' local time = os.date("%Y%m%d") local args

I,Level 1 Cache1. The first-level cache only caches the entire object and does not cache object attributes;2. The first-level cache is a session-level cache and cannot be used across multiple session objects;3. The load/get method of the session supports reading and writing of the first-level

There are many articles about Web caching on the Internet, a summary today.Why do you use cachingCaching is generally used for static resources such as CSS,JS, images, etc. for the following reasons: Faster requests: By caching content in a local browser or a cache server (such as a CDN) that is closest to you, you can significantly speed up site loading without compromising site interaction. Bandwidth savings: For cached files, you can r

When we use the cache, whether it is Redis or memcached, we basically encounter the following three issues: Cache-through-cache concurrency cache invalidation First, the cache penetrates Note:What's wrong with the above three graphs? Our use of caching in our projects is

Preface To design a caching system, the problem that has to be considered is: cache penetration, cache breakdown and failure of avalanche effect.Cache Penetration Cache penetration means querying a data that does not exist, because the cache is written passively when it is not hit, and for fault tolerance, if no data

customized or a larger cookie exists, the buffer size can be increased. Here, the value is set to 32KB client_header_buffer_size 32 k; # used to specify the maximum number and size of the message headers in the client request. "4" is the number and "k" is the size, the Maximum Cache volume is 4 128 kb large_client_header_buffers 4 kb; # enable the efficient file transmission mode. The sendfile command specifies whether

, save the configuration information.4.2 Configuring Resource Information4.2.1, preparing the Web pageDownload jwplayer:www. jwplayer. com requires registration to download and obtain the corresponding license key (for example: 601u+htlhuxp5lqpeztrlaabkwyx/94l3lracg= =After downloading Jwplayer7.3.6.zip, extract to:/usr/local/nginx/html/Set up the test page test.html, also put in the above directory: 4.3, start n