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000368_fdc@watsun.cc.columbia.edu_Tue Sep 4 16:07:49 EDT 2001.msg
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Article: 12752 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Slow on Solaris x86?
Date: 4 Sep 2001 19:53:47 GMT
Organization: Columbia University
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In article <9n3all$u8$1@samba.rahul.net>, <dold@email.rahul.net> wrote:
: I just installed Solaris8 x86 on my old PC... PII-266, 192MB RAM.
: Of course, my first, and perhaps last ftp transfer was kermit ;-)
: I have K95 1.1.20 on my 1GHz WinMe box, the latest beta-8 on Solaris.
:
: ftp runs about 13KBps, and kermit with "normal" prefixing, runs
: about 7KBps. Changing the kermit to "wild abandon" moves it up to
: 12KBps, but that's still a lot slower than I expect for kermit or ftp,
: with only two computers on a 10BaseT link.
:
: Is Solaris x86 really slow? Even my Adaptec 2940 and 4mm DAT give
: dreadful performance, about 50KBps. I forget what it was on Unixware on
: the same box, but I thought it was pretty snappy.
:
Your numbers are definitely not typical. I'm not a Solaris manager so I
can't be helpful on that front, but C-Kermit 7.0 and later should be about
as fast as FTP on network connections by default, assuming a partner of
similar vintage on the other end, because they'll negotiate such things
as streaming automatically and then push the data through nonstop. Also
a fair degree of "unprefixing" of control characters is used by default
on these connections, so it shouldn't have been necessary to change the
settings to get it. Maybe you have some conservative settings in your
C-Kermit initialization file? Also, try C-Kermit 8.0 Beta, which should
be faster still (because as time goes on our default settings can become
less and less conservative):
http://www.columbia.edu/kermit/ck80.html
Anyway, you did get Kermit to perform about the same as FTP. Why you can't
get FTP to perform like it should is the real question, so "round up the
usual suspects" -- interrupt conflicts, etc etc.
And yes, I have Solarix x86 here (2.8 as well as 8), and both perform just
fine on the local net, with FTP (and Kermit) throughput approaching 10Mbps.
- Frank