Aucbvax.3179
fa.unix-wizards
utzoo!decvax!ucbvax!unix-wizards
Wed Sep 16 17:29:33 1981
>From RAM1@MIT-MC Wed Sep 16 17:02:27 1981
I have added a fujitsuu winchester to my 11/34 system and
am contemplating several configurations to use my two RL01's
as well. The fuji significantly outperforms the cretinous RL's
and my question comes down to: how do I decide between these
(or other?) configurations:
1. swap and/or /tmp on one RL spindle root and user on Fuji.
2. Everything on Fujii with usual partitions to favor active
files.
I have 256kB of memory and an Able Cache and
expect to run out of CPU before memory,
as I will keep below about 10 users possibly until I try V7.
My users spend most of their time in ed, emacs, cc and as with ed
predominating overwhelmingly.
I believe I understand the arguments in favor of the two arrangments
and similar ones, but what I don't know is how should I measure
performance differences aside from subjective responsiveness.
Would systematic use of our (standard?) mips program, which times
a loop, be sufficient? If there is no subjective difference
detected should i choose arbitrarily?
Since I intend to put up 2.8bsd at the end of this semester,
I have no overhwelming desire to start adding kernel instrumentation,
using enhanced schedulers, etc.
--bob morris
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