Size of 4.2 Swap Spaces
mike at RICE.ARPA
mike at RICE.ARPA
Tue Jul 10 03:25:29 AEST 1984
From: Mike Caplinger <mike at RICE.ARPA>
So far as I can tell, the utilization of swap space has gotten poorer
under 4.2. We frequently run out running the same job mix that worked
fine under 4.1. Try a "pstat -s" and look at the "wasted" parameter;
it gets large. I've heard this is because 4.2 now uses a fast but
space-wasteful swap space allocator that generates lots of
fragmentation. I don't know why they didn't leave it alone. Does
anybody want to confess to doing this, or knowing what was done?
- Mike
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