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- From: rmilner@zia.aoc.nrao.edu (Ruth Milner)
- Subject: Re: Planning to upgrade to Solaris 2?
- Message-ID: <1992Jul22.192554.950@zia.aoc.nrao.edu>
- Reply-To: rmilner@zia.aoc.nrao.edu (Ruth Milner)
- Organization: National Radio Astronomy Observatory, Socorro NM
- References: <1992Jul16.222630.6897@zia.aoc.nrao.edu> <1236@eplunix.UUCP>
- Date: Wed, 22 Jul 92 19:25:54 GMT
- Lines: 44
-
- In article <1236@eplunix.UUCP> das@eplunix.UUCP (David Steffens) writes:
- >
- >many times "cc" is invoked in a typical makefile. If the "cc" license were
- >released at the end of _each_ invocation, you would have to reaquire it
- >for _each_ module that was to be compiled!
-
- Of course. Some delay in releasing it is a good idea. On the other hand, while
- I don't know what your Makefiles do, most of the ones I've seen go straight
- into the next cc without more than a couple of seconds' lag after the previous
- one finishes. Unless you have a lot of *rapid* cycles of: big make - run oops!
- - edit edit edit - big make, 15 minutes is just not needed. In most cases it
- will be more than 15 minutes from start to finish, and in that period of time
- other people could be using the compiler.
-
- Note also that, thanks to the nature of make, 90% of the time your "big" makes
- will only be compiling a small fraction of all the possible files, followed
- by linking.
-
- >My experience with several license servers here is that it takes 10-15 seconds
- >on a busy network to acquire a license and about the same time to release it.
-
- Hmmm ... not my experience, but we don't have anything that uses Sun's license
- server. PV-Wave, MathCAD, edt, all need perhaps 5 seconds tops. And our net-
- works are *very* busy.
-
- >In article <1992Jul16.222630.6897@zia.aoc.nrao.edu>,
- >rmilner@zia.aoc.nrao.edu (Ruth Milner) writes:
- >> In article <1992Jul16.163132.1672@charon.amdahl.com>,
- >> perry@pls.amdahl.com (Perry The Cynic) writes:
- >>>That limit is enforced by the software (you can increase it but not decrease)
- >>Hey, Father Sun knows best ...
-
- >In this case, I believe they just might :-)
- >On the other hand, 15 minutes minimum for the timeout period seems a trifle
- >long to me, too. I'd probably choose 2-5.
-
- So in other words, you don't believe they know best. :-)
-
- While I agree about not allowing it to be set to 0, it ought to be *tunable*
- so the person who knows the site's needs best can make it as useful as possible
- for that site.
- --
- Ruth Milner NRAO/VLA Socorro NM
- Computing Division Head rmilner@zia.aoc.nrao.edu
-