Subject: Re: CVS commit: src/sys/netinet
To: None <>
From: Perry E. Metzger <>
List: source-changes
Date: 09/30/2003 12:15:09
Thor Lancelot Simon <> writes:
> Modified Files:
> 	src/sys/netinet: tcp_usrreq.c
> Log Message:
> Increase default socket-buffer sizes from 16K to 32K.  This increases
> throughput significantly in a wide variety of test cases, including
> local gigabit ethernet with both jumbo and standard frames,
> transcontinental (U.S.) connections with e2e bandwidths ranging from
> 10Mbit/sec to 155Mbit/sec, and on a variety of test connections
> between the NetBSD Project public servers and machines in Australia.


It would be nice to have the default sysctlable, too. Those of us with
memory to burn may want to crank things up to 64k without re-compiling.