On Tue, Mar 20, 2001 at 09:50:51AM -0800, Matt Dillon scribbled:
| One thing that comes to mind is that you can smarthost your outgoing
| email to another host so the queues don't build up. This should
| greatly reduce mail load. In fact, I would recommend offloading email
| entirely if possible... email always hits disks hard.
|
| Definitely get rid of MFS. MFS wastes 2x the memory allocated to it.
| Use a softupdates-enabled filesystem in place of MFS, or use a
| swap-backed VN-based partition with softupdates enabled.
| Alfred's vmiodirenable suggestion is a good one.
|
| With all the memory you have you can also try turning off write_behind,
| e.g. setting vfs.write_behind to 0.
done. :) Thank you
| I don't have enough information on the type of paging your machine
| is doing or the disk configuration. If you have multiple HD's, swap
| should definitely be spread across at least two of them.
|
| A few minutes worth of 'vmstat 1' output during the heavily loaded
| period would be useful, plus 'sysctl -a | fgrep vm'. I might be able
sysctl -a always crashes the system. It happens on other similiarly
loaded BBS'es in Taiwan.
| to make suggestions on optimizing the VM system.
We have 'vmstat 5' available at http://zoo.ee.ntu.edu.tw/~keichii/
Fresh hot vmstat 1 log at
http://zoo.ee.ntu.edu.tw/~keichii/vmstat_1.log
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