Re: Adjusting TCP windows on production systems?

2003-10-01 Thread Petri Helenius
Steve Francis wrote: Just as a head up - this sort of below should not be done on things like web servers that support lots of concurrent connections - you'll eat all your memory for sockets. Unless you have something like FreeBSDĀ“s auto-tuning inflight window stuff which would allow large wi

Re: Adjusting TCP windows on production systems?

2003-09-30 Thread Steve Francis
Just as a head up - this sort of below should not be done on things like web servers that support lots of concurrent connections - you'll eat all your memory for sockets. Marshall Eubanks wrote: On Tue, 30 Sep 2003 15:44:03 -0400 "Temkin, David" <[EMAIL PROTECTED]> wrote: Is there anyone in

Re: Adjusting TCP windows on production systems?

2003-09-30 Thread Steve Francis
Marshall Eubanks wrote: On Tue, 30 Sep 2003 15:44:03 -0400 "Temkin, David" <[EMAIL PROTECTED]> wrote: Is there anyone in a production environment who, as part of their system build process, adjusts the TCP receive window/MSS/etc. on production systems? As a concrete data point: the tuning

Re: Adjusting TCP windows on production systems?

2003-09-30 Thread Marshall Eubanks
On Tue, 30 Sep 2003 15:44:03 -0400 "Temkin, David" <[EMAIL PROTECTED]> wrote: > Is there anyone in a production environment who, as part of their system > build process, adjusts the TCP receive window/MSS/etc. on production > systems? > Look at http://www.internet2.edu/~shalunov/writing/tcp-pe

Re: Adjusting TCP windows on production systems?

2003-09-30 Thread Rob Thomas
Hi, Dave. ] Is there anyone in a production environment who, as part of their system ] build process, adjusts the TCP receive window/MSS/etc. on production ] systems? Increasing it helps, particularly if both ends have the same setting. Don't forget to enable both RFC1323 and RFC2018 support if

Re: Adjusting TCP windows on production systems?

2003-09-30 Thread Steve Francis
We do on some systems that do bulk data transfer over links with latency (latency being 70 ms cross country). Temkin, David wrote: Is there anyone in a production environment who, as part of their system build process, adjusts the TCP receive window/MSS/etc. on production systems? I'm dealing

Adjusting TCP windows on production systems?

2003-09-30 Thread Temkin, David
Title: Adjusting TCP windows on production systems? Is there anyone in a production environment who, as part of their system build process, adjusts the TCP receive window/MSS/etc. on production systems? I'm dealing with a few latency issues and the MSS settings improve them, but I'