Date: Fri, 28 Jul 2000 16:59:17 -0400 (EDT) From: mi@aldan.algebra.com To: David Malone <dwmalone@maths.tcd.ie> Cc: stable@freebsd.org Subject: Re: rdist and pam Message-ID: <200007282059.QAA07831@misha.privatelabs.com> In-Reply-To: <200007282104.aa49997@salmon.maths.tcd.ie>
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On 28 Jul, David Malone wrote: = and ssh seems to add quite alot to the RTT for these small = transactions, so rdist spends most of it's time waiting. We've changed = this to do: = = Tell me about file blah = Tell me about file wibble = . = . = Now process the responses = = It's much like the SMTP pipelining changes. It's nice 'cos it needs no = protocol changes, and just requires that you avoid deadlocks by checking = for data to be read before writing. Out nightly rdisting jobs have gone = from about 5 hours down to a bit over 1 (over ssh). I think you also see = significant gains when using rsh, but I haven't done any measurements = yet. I'm trying to write this up.... Cool. I'm sure, you rdist can update multiple servers in parallel, but just wanted to bring this up for the record... -mi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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