Subject: Re: Why is my rmt so slow or what takes exactly 0.2 seconds?
To: Edgar =?iso-8859-1?B?RnXf?= <efnbl05@orion.intra.net>
From: Jonathan Stone <jonathan@Pescadero.dsg.stanford.edu>
List: tech-net
Date: 08/29/2005 12:17:17
In message <20050828103356.GA15534@orion.intra.net>,
Edgar =?iso-8859-1?B?RnXf?= 
writes:

>On Thu, Aug 25, 2005 at 11:50:52AM -0700, Bill Studenmund wrote:

>> I assume this is over the loopback interface?
>No, it's over the ethernet interface -- at least logically.
>On host gumme I have an ssh tunneled connection to rmt running on host gumme.
>
>What I was hoping all the time is that this 0.2 second interval was triggering
>someone's memory.
>
>If running out of input, how long would the TCP code wait before timing out
>and transmitting a partially filled segment?

0.2 seconds is the "fast" (5Hz) TCP timeout.  

This is probably a stupid question, and I apologize in advance if it
is, but: are you sure rmt is turning off Nagle with setsockopt()
TCP_NODELAY?