[16551] in Athena Bugs

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Re: sun4 8.2.15: zwgc

daemon@ATHENA.MIT.EDU (Mike Barker)
Wed Dec 9 22:22:48 1998

Date: Wed, 09 Dec 1998 22:19:44 -0500
To: Angie Kelic <sly@MIT.EDU>
From: Mike Barker <mbarker@MIT.EDU>
Cc: "t. belton" <tbelton@MIT.EDU>, bugs@MIT.EDU
In-Reply-To: <199812100143.UAA01090@rollingstone.mit.edu>

At 08:43 PM 12/9/98 -0500, Angie Kelic wrote:
:)Clearly I shouldn't have bothered to report anything.

Actually, no, you should have reported it.  And I want to thank you for 
reporting the change in behavior -- we need to know if you think you 
have seen some change.

:)No, I'm not running this on a sparc 4, or a sparc class, or even under
:)ultrix.  I'm running it on a sparc 5 with a 170Mhz processor with 64 M
:)of memory.  I'm not running netscape, hell, I'm not even running emacs.
:)I'm logged in remotely, running zwgc x displayed back to me, and the
:)only window I have to the machine comes from the telnet process.
:)And, I'm the only one logged in. There are no dead processes, there
:)is no missing memory.  I checked all of these things.

From your bug report:

System name:            rollingstone.mit.edu         
Type and version:       SPARC/5 8.2.15 (with mkserv) 
Display type:           cgsix                        

we knew which kind of system you were running (although I didn't realize you 
were accessing it remotely).

I believe the other systems were mentioned as possible clues to the type of 
behavior you reported, not intended as some kind of subtle putdown of your 
system or your abilities to check things out before reporting a bug.

:)I am now going to return to my other assumption as mentioned in my
:)earlier email upon discovering that there was no new zwgc-related code
:)in the last release. I suspect it is network or DNS related in some
:)way.  This is not surprising.  Welcome to 18.33/18.34/18.78
:)
:)Again, thank you for your time.

I think you are probably on target.  If you hadn't said that the only thing 
that you are running on the sparc 5 is zwgc, I would have suggested that 
perhaps you are seeing some kind of AFS caching delay due to other things 
you are doing during the minute or two between uses of zwrite.  However, I 
suspect you are correct, the network, dns, disk access, or one of the other 
"usual suspects" in such slowdowns is quite likely.

Thank you for your time.  I believe everyone has been interested in helping 
you to consider some of the possible causes for the behavior you have seen.  
I'm sorry that you got swamped with comments.

Thank you for using Athena.
Mike Barker
MIT Information Systems 


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