Unix Open File Limit

Keith Pyle keith at sequoia.UUCP
Thu Mar 9 22:54:21 AEST 1989


Our company is converting to a Sequent as our primary development
machine and there is currently a discussion over whether the limit
on open files per process is too restrictive under Unix.  The
proponents of one side say that if it can be changed, change it.
The opposition says that we shouldn't expect our Unix customers
to have to do this.  So, in an attempt to add fuel to the fire :-),
I would like to ask some questions of the system administrators
on the net.  If you could take a few minutes to answer the following
questions and send your responses to me, it would be appreciated.
As always, Mr. Phelps, the responses will summarized and posted
should the number of replies exceed 2.

0. What is your hardware/software configuration?  (If you have
   several machines, a summary, please.)

1. Do you have the software to perform a reconfiguration of the
   kernal for each machine named above?

2. Do you have the experience or brazen confidence to build and
   install a new kernal?

3. Have you found it necessary to alter the open file limit per
   process?

4. If 'yes' to #3,

   a. What were the original and changed values for the limit?
   b. Why did you make this change?

If you have any comments on this issue not addressed in these
questions, please feel free to express your comments in 64K bytes
or less.

Thanks.

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Keith Pyle   ...!{rutgers | tut.cis.ohio-state.edu}!cs.utexas.edu!execu!keith

Disclaimer: What??  You actually believed me?
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