OT: SCO tunable parameter NOFILES

[Bill Vermillion]

>
> I just told Brian in the FP Room that there was some major
> warning never to change NOFILES off of 110. Does anyone
> remember this caveat. I don't remember exactly who told us,
> when, but somewhere around the time when it changed from a
> default of 60 to 100 and just a short time later to 110, we
> were cautioned not to change it from there.

The documentation just says the default value is 110.  The maximum
value of NOFILES is 11,000.  This is from the 5.0.7 documentation.
Edited to about 40 appropriate lines from 1500 in the document.


========================================

             Kernel parameters that you can change using configure

.....


   The following parameters control resources that are specific to
   individual users or groups.

   NOFILES
          Specifies the maximum number of open files for each process.
          Unless an application package recommends that NOFILES be
          changed, the default setting should be left unaltered.
          The Bourne, C and Korn shells all use three file table entries:
          standard input, standard output, and standard error (file
          descriptors 0, 1, and 2 respectively). This leaves the value of
          NOFILES minus 3 as the number of other open files available for
          each process. If a process requires up to three more than this
          number, then the standard files must be closed. This practice
          is not recommended and must be used with caution, if at all. If
          the configured value of NOFILES is greater than the maximum
          (11000) or less than the minimum (60), the configured value is
          set to the default (110), and a message is sent to the console.
          Unless an application package recommends that NOFILES be
          changed, the default setting should be left as is.

========================================   

Bill
-- 
Bill Vermillion - bv @ wjv . com