Gearman是一个用来把工作委派给其他机器、分布式的调用更适合做某项工作的机器、并发的做某项工作在多个调用间做负载均衡、或用来在调用其它语言的函数的系统。-Gearman is used to work delegated to other machines, distributed more suitable for a particular job calling machines, concurrent to do some work to do in the load balancin