On Mon, Jan 21, 2008 at 04:14:08PM -0800, Tani Hosokawa wrote:
<snip>
> @@ -1999,7 +1999,7 @@
> if ((fd = bind_socket(address, port)) == -1)
> return (-1);
>
> - if (listen(fd, 10) == -1) {
> + if (listen(fd, 8192) == -1) {
> event_warn("%s: listen", __func__);
> EVUTIL_CLOSESOCKET(fd);
> return (-1);
Probably better to use SOMAXCONN instead of an arbitrary number.
On Linux, you can set somaxconn in proc (|/proc/sys/net/core/somaxconn) to much
higher than the value in the header files (128). I could pull the sysctl
value, but that isn't all that portable and in any case it's silently truncated
to the system's real maximum if you specify something higher. As libevent is
typically used for high performance products, it makes sense to me to set it
above the system's actual maximum, and let the system limits drag it down. If
anyone has some portable code for determining the real somaxconn across all
systems, that'd probably be handy.
|
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