语法: lua_shared_dict <name> <size>
默认: no
环境: http
阶段: depends on usage
声明一个共享内存区块 <name>，用来存储基于共享内存的 Lua 字典 ngx.shared.<name>。
在当前 Nginx 服务器实例中，共享内存区块被所有 nginx worker 进程共享。
<size> 参数可以通过类似 k 和 m 的大小单位来设置。
http {
lua_shared_dict dogs 10m;
...
}更多细节请参考 ngx.shared.DICT。
这个指令最早出现在版本 v0.3.1rc22 中。
English Source
syntax: lua_shared_dict <name> <size>
default: no
context: http
phase: depends on usage
Declares a shared memory zone, <name>, to serve as storage for the shm based Lua dictionary ngx.shared.<name>.
Shared memory zones are always shared by all the nginx worker processes in the current nginx server instance.
The <size> argument accepts size units such as k and m:
http {
lua_shared_dict dogs 10m;
...
}See ngx.shared.DICT for details.
This directive was first introduced in the v0.3.1rc22 release.