* Michael C . Wu <[EMAIL PROTECTED]> [010320 10:01] wrote:
> MRTG Graph at
> http://zoonews.ee.ntu.edu.tw/mrtg/zoo.html
>
> |
> | FreeBSD zoo.ee.ntu.edu.tw 4.2-STABLE FreeBSD 4.2-STABLE
> | #0: Tue Mar 20 11:10:46 CST 2001 root@:/usr/src/sys/compile/SimFarm i386
> |
> | | > system stats at
> | | > http://zoo.ee.ntu.edu.tw/~keichii/
> | md0/MFS is used for caching the articles that BBS users read.
> | They often read the same articles over and over again,
> | and we find that a 128MB MFS/md0 will have 70% hitrate
> |
> | When our MFS/md0 fills up after long usage, the box easily
> | dies. (We crontab clean the mfs, but sometimes the load
> | shoots up for no reason and is not able to clean the mfs in time.)
> | If we dont do this cache, the data for the bulletin boards
> |
>
> Another problem is that we have around 4000+ processes accessing
> lots of SHM at the same time..
How much SHM? Like, what's the combined size of all segments in
the system? You can make SHM non-pageable which results in a lot
of saved memory for attached processes.
You want to be after this date and have this file:
Revision 1.3.2.3 / (download) - annotate - [select for diffs], Sun Dec 17 02:05:41
2000 UTC (3 months ago) by alfred
Branch: RELENG_4
Changes since 1.3.2.2: +37 -32 lines
Diff to previous 1.3.2.2 (colored) to branchpoint 1.3 (colored) next main 1.4 (colored)
MFC: phys_pager fix for multiple segments
Then set kern.ipc.shm_use_phys=1
> The *UGLY* source code for the BBS is at
> http://zoo.ee.ntu.edu.tw/~keichii/zoo_bbsd_src.tgz
tis ok, maybe later... though :)
>
> We can only provide crash dumps for trusted people because
> of the thousands of passwords in the dump.
Heh. :)
--
-Alfred Perlstein - [[EMAIL PROTECTED]|[EMAIL PROTECTED]]
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