Messages in this thread | | | From | "Dan Maas" <> | Subject | Re: PROBLEM: select() on TCP socket sleeps for 1 tick even if data available | Date | Sat, 20 Jan 2001 19:35:12 -0500 |
| |
> It's not the select that waits. It's a delay in the tcp send > path waiting for more data. Try disabling it: > > int f=1; > setsockopt(s, SOL_TCP, TCP_NODELAY, &f, sizeof(f));
Bingo! With this fix, 2.2.18 performance becomes almost identical to 2.4.0 performance. I assume 2.4.0 disables Nagle by default on local connections...
Dan
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
| |