[52] in Athena_Backup_System

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A further thought on threads....

daemon@ATHENA.MIT.EDU (Tim McGovern)
Thu Dec 8 09:01:08 1994

Date: Thu, 8 Dec 1994 08:59:49 -0500
To: athena-backup@MIT.EDU
From: tjm@MIT.EDU (Tim McGovern)

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>Date: Tue, 6 Dec 1994 15:01:01 -0500
>From: "Theodore Ts'o" <tytso@MIT.EDU>
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>To: tjm@MIT.EDU, cec@MIT.EDU
>Cc: dcnsm@MIT.EDU
>Subject: A further thought on threads....
>Address: 1 Amherst St., Cambridge, MA 02139
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>
>Here's a further thought I had on threads --- it's been said that we do
>have developers who understand threads, since AFS uses threads.  The
>people who understand AFS, though, are people like Richard and Miki,
>people who are are kernel programmers.  This is not surprising since the
>issues that one runs into when dealing with multi-threaded applications
>are the same ones which kernel programmers have to worry about.
>
>What makes this interesting is that this is pushing in the opposite
>direction where Susan and the R-Ready team have been pushing for, which
>is trying to make more and more programs only require application
>programmers, instead of C programmers, since C programmers are
>presumably harder to come by and more expensive --- with kernel
>programmers requiring more skill and expertise yet:
>
>Low-level                                                   High-level
><=====================================================================>
>Kernel                        C                           Application
>Programmers                   Programmers                 Programmers
>
>Whether or not we believe that the vision of allowing all administrative
>programs to be written without the need of any C programmers can
>actually be achived, moving towards requiring more kernel programmers
>seems to be moving backwards in how we've been moving our development
>group.  It's been a long time since we've hired people on the basis of
>their kernel development skills, after all.
>
>                                                        - Ted
>
>



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