[Info-vax] Autogen

[Marc Van Dyck]

Marc Van Dyck wrote on 1/02/2018 :
> 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.

Thanks for the answers. We have just done what was mentioned, cleaning
modparams from all the useless historical stuff. We've compared
parameters before and after autogen runs and it did not change much.

-- 
Marc Van Dyck