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Date:      Mon, 26 Jul 1999 07:23:30 -0700
From:      Bill Fenner <fenner@research.att.com>
To:        dillon@apollo.backplane.com
Cc:        papezik@pvt.net, hackers@freebsd.org
Subject:   Re: Squid - a bug in src/sys/kern/uipc_socket.c
Message-ID:  <199907261423.HAA21226@windsor.research.att.com>
References:   <37976C03.A4A797A7@pvt.net> <199907222056.NAA87639@apollo.backplane.com> <199907260154.SAA18221@windsor.research.att.com> <199907260515.WAA43000@apollo.backplane.com>

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PRUS_MORETOCOME is indeed too complex to solve the microcosmic problem
of writes between 100 and 208 bytes; however, it solves the more general
problem of the Nagle/MTU interaction even when the MTU is larger than a
cluster (e.g. loopback, ATM, FDDI, etc).  Try the atomic patch (and
remove PRUS_MORETOCOME) with writes of 2049-2256 bytes on the loopback
interface.  Same with LOCAL-domain sockets (with the uipc_usrreq.c
patch I sent you).

  Bill


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