hi,<br><br>><br>> NGX_AGAIN is usually for non-blocking I/O operations, it's key for<br>> good performance under high concurrency level<br>in fact, that's what i'm doing. but i also doubt if the main request wake up every time an event arrived(made by not only subrequest), will it spent most of the time doing sth useless?<br>
<br>thx<br><br>Abioy<br>