Messages in this thread | | | Date | Mon, 20 Apr 1998 23:54:31 +0200 (CEST) | From | Andrea Arcangeli <> | Subject | Re: 2.1.97 mm and cache |
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On Mon, 20 Apr 1998, Rik van Riel wrote:
>It's there. You can even tune it through /proc/sys/vm/*
root@dragon:/proc/sys/vm# free total used free shared buffers cached Mem: 31132 30200 932 7024 980 21208 -/+ buffers/cache: 8012 23120 Swap: 52412 16556 35856 root@dragon:/proc/sys/vm# cat pagecache 1 1 1 root@dragon:/proc/sys/vm# cat freepages 2000 5000 10000
Am I interpreting the docs right? (using 1 2 3 for pagecache don' t make differences) It should be the the normal beaviour?
I was running bonnie + diff -urN while Netscape and emacs was semi-sleeping and the system was stalling often.
>The change we'll probably need is changing the swap policy >to SC_ROUNDROBIN from SC_whatwehavenow. >(see the 1.2.xx source code for references :)
I really don' t think the problems is the swap code. I think the problem is the cache allocating code. Only it. Then the swapping code try to free memory swapping all out. As ever I never got into mm details so I can be wrong.
Andrea[s] Arcangeli
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