On Fri, 31 Dec 1999, Matthew Dillon wrote:

> :FYI:  On hub.freebsd.org (the freebsd mailing list server), if we activate
> :softupdates on the disk containing the postfix spool, the machine reboots
> :(silently if I recall correctly) within 5 minutes of postfix starting up.
> :
> :This is a much smaller system of course, with smaller memory and filesystem
> :working set.  (postfix spool of ~50-80MB, 256MB ram).  I thought I'd post
> :this as a real-use datapoint.
> :Cheers,
> :-Peter
> :--
> :Peter Wemm - [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> :...
> :Tom wrote:
> :>   Yes, postmark operates on the same file set.  I used the following
> :> postmark settings:
> :> 
> :> set number 30000
> :> set transactions 4000000
> :> set size 1500 200000
> :...
> 
>     I'm running the postmark test on my 3.x and 4.x test boxes now using
>     a large softupdates partition (33G on each) and large memory (512M and 1G)
>     configuration.

  How many instances of postmark are you running?  I used 4 separate
instances (you must run them in separate directories).

  How fast are your disks?  I used an external RAID-5 array that appears
as single disk to FreeBSD.  It is RAID-5, so the performance isn't that
great for writing.  I think my virtual disk is quite slow.  If your system
has fast disks, run more instances of postmark.

>     The 4.x box seems to have stabilized at around 14MB of KVM, the 3.x box
>     seems to have stabilized at around 9MB of KVM.  I'll leave it running
>     for a while to see if there are any memory leaks and then try reducing 
>     debug.max_softdeps to see what happens.
> 
>     We are still looking for panic messages.

  Well, I lost last nights panic because of fsck complaining about several
million unreferenced files.  I'm going to log to disk next time.

>                                       -Matt
>                                       Matthew Dillon 
>                                       <[EMAIL PROTECTED]>
> 
> 
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> 


Tom
Uniserve



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