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From: phil@amd70.UUCP (Phil Ngai)
Newsgroups: net.unix
Subject: suggestions for param.h on 11/70 with V7?
Message-ID: <4224@amd70.UUCP>
Date: Sat, 14-Jan-84 02:28:48 EST
Article-I.D.: amd70.4224
Posted: Sat Jan 14 02:28:48 1984
Date-Received: Sun, 8-Jan-84 21:31:02 EST
Organization: AMD, Santa Clara, CA
Lines: 16

In the document "REGENERATING SYSTEM SOFTWARE" there is a section called
"System Tuning" which talks about the values of various constants. I would
appreciate suggestions on appropriate values for a site with 64 serial lines
(no, we don't have 64 users at one time), 1 Mb of RAM, and two RP06s. I am
particularly interested in NBUF, NPROC, NINODE, CMAPSIZ, SMAPSIZ, NCALL, and
NTEXT. The manual claims a value of 50 for [CS]MAPSIZ is enough, but I wonder.
We have 15 Mb of swap, is that reasonable?

Also, since I'll probably want to increase some buffers until I run out of
room, what's the maximum that data+bss should be? From my limited knowledge
I expect the top mapping register to be used for the I/O page, leaving 56Kb
for kernel data. Are there other considerations I should be aware of?

Thanks in advance.
-- 
Phil Ngai (408) 988-7777 {ucbvax,decwrl,ihnp4,allegra,intelca}!amd70!phil