[kern/sys_pipe.c] PIPE_NODIRECT and pipe throughput

2008-03-07 Thread Dmitry Antipov
Hello all, recently I've tried a few benchmarks around pipe throughput on Linux vs. FreeBSD. Everyone interesting can see my stuff at http://213.148.29.37/PipeBench, and initial post to Linux kernel developer mailing list at http://www.uwsg.iu.edu/hypermail/linux/kernel/0803.0/1837.html It was

Re: 7.0 - slow/unstable Internet access via Linux router

2008-03-03 Thread Dmitry Antipov
Jeremy Chadwick wrote: Sounds like TCP stack breakage, and not so much an MTU problem. I read many months ago that some others having this problem solved it by disabling RFC1323 extensions (default is on), which is a little odd, but it worked for a couple people. Try doing sysctl

7.0 - slow/unstable Internet access via Linux router

2008-02-29 Thread Dmitry Antipov
Hello, recently I've installed 7.0 and now I'm observing strange thing with my Internet connection. Access to some sites may be VERY slow or doesn't work at all with different kinds of timeout messages or without messages at all (but other sites works fine). For example, firefox may say