Re: 2.6.15 localhost performance hit

2006-03-20 Thread Skunk Worx
Rick Jones wrote: It _would_ be very interesting to see if disabling tcp_abc does workaround the problem. Yes it does, we tried that first. Then we reenabled tcp_abc and increased the toolkit keep_alive. Either method works around the issue from our point of view. --- John - To unsubscr

Re: 2.6.15 localhost performance hit

2006-03-17 Thread Skunk Worx
Rick Jones wrote: Skunk Worx wrote: Rick Jones wrote: From strace : 15:27:04.568800 recv(3, "555, ) = 555 <0.000121> vs. 15:18:24.515891 recv(3, "566, ) = 566 <0.038414> Will watch replies and post more when I know more. Kinda new at this. Do you have the s

Re: 2.6.15 localhost performance hit

2006-03-17 Thread Skunk Worx
Stephen Hemminger wrote: On Wed, 15 Mar 2006 20:13:01 -0800 Skunk Worx <[EMAIL PROTECTED]> wrote: Hello, I've taken a performance hit over localhost between kernels 2.6.14 and 2.6.15 in my client/server application. This came up with java debugging already. The problem

Re: 2.6.15 localhost performance hit

2006-03-16 Thread Skunk Worx
Rick Jones wrote: From strace : 15:27:04.568800 recv(3, ") = 555 <0.000121> vs. 15:18:24.515891 recv(3, ") = 566 <0.038414> Will watch replies and post more when I know more. Kinda new at this. Do you have the strace from the sending side? Yes...I hope I'm not posting too much info

2.6.15 localhost performance hit

2006-03-15 Thread Skunk Worx
Hello, I've taken a performance hit over localhost between kernels 2.6.14 and 2.6.15 in my client/server application. I'm trying to gut things down to a simple test case, in the meantime, this is what I've been discussing with the people at the fedora test list : This is only over localhost