Path: utzoo!mnetor!uunet!wyse!weitek!sci!auspyr!mick
From: mick@auspyr.UUCP (Michael J. Andrew)
Newsgroups: comp.os.vms
Subject: RMS info regarding multibuffer count requested
Message-ID: <4602@auspyr.UUCP>
Date: 28 Apr 88 23:25:44 GMT
Organization: Austec Inc., San Jose, Ca. USA
Lines: 31
Keywords: RMS

Although I have read the "Guide to VAX/VMS File Applications" manual, I am
still unclear about the use of the multibuffer count.
I shall pose my questions below, but any general comments on this topic,
helpful hints etc. are greatly appreciated.

My application may or may not open several indexed (or positional) files
at execution time.  Should I specify the number of buffers at this time,
or use the value which can be set from DCL with the command

	$ set rms/indexed/buffers=n


Furthermore, does the above cause n more buffers to be allocated for
each file I open (this seems like a Bad Thing in an arbitrary multi-user
environment).

Alternatively, if I specify this number in the RAB, is it cumulative? That is,
does the number of buffers continue to mount as more files are opened.

Should I have some upper limit for each user coded into my program?


It seems that VMS's default allocation of anything to do with files, buffers
etc. is to allocate the smallest, lowest or worst possible value it
can think of?

Any help much appreciated.
-- 
-------------------------------------------------------------------------
Michael Andrew		Sr. Systems Engineer	Austec, Inc.  San Jose CA.
mick@aussjo.UUCP				(408) 279 5533