[Info-vax] Autogen

Marc Van Dyck marc.gr.vandyck at invalid.skynet.be
Thu Feb 1 11:34:06 EST 2018


In the past, memory was scarce, and it was important to maximize its
usage. In order to achieve that, several system parameters, and the
autogen procedure, were invented to tailor the systems to specific
user and application needs.

Today, memory is cheap and capacity usually not an issue anymore.
Shortages can be much more easily solved by adding memory than tuning
systems. As a consequence, one hears much less often about autogen.com
and modparams.dat.

So my question : is this procedure still uptodate ? Has it been 
modified
to take in account the much larger memory capacities that we can see
today (our production systems have 192 GB) ? Can we still trust
the 'optimal' parameter values that it computes ? And should we still
autogen with feedback systems as often as we did in the past ?

Thank you,
Marc.

-- 
Marc Van Dyck



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