ECTED] backup]# time cp testfile.tmp /database/
real1m0.744s
user0m0.170s
sys 0m14.490s
"Simon Matter" <[EMAIL PROTECTED]>
18-11-2005 13:00
Aan:[EMAIL PROTECTED]
cc: maxdb@lists.mysql.com
Onderwerp: Re: Betr.: Re: Very poor
]>, maxdb@lists.mysql.com
Onderwerp: Re: Betr.: Re: Very poor performance of sapdb
Have you check the memory configuration under LILO?
I had same problem when I upgraded my server from 512MB of RAM to 4GB
There is a problem with some motherboard, and Linux doesn't use memory
fine.
I solved my pr
> Hello Simon,
>
> Both raid controllers are brand new and working with cache.
Well, brand new doesn't mean the cache is working in write-back mode. If
the battery voltage is too low, the controller puts the cache in
write-trough mode until the capacity of the batteries is on the safe side.
So, re
Have you check the memory configuration under LILO?
I had same problem when I upgraded my server from 512MB of RAM to 4GB
There is a problem with some motherboard, and Linux doesn't use memory fine.
I solved my problem adding "mem=3360M" in /etc/lilo.conf
I never had the time to test if it works a
Are you using different type of raids?
How is the Disk-Set-Up?
What type of FS?
Raw-Devices?
We are completly satisfied with performance on Smart-Array-Controllers.
(5i/6i, all 15krpm SCSI)
Florian Schmitz
__
acardo technologies AG
Königswall 18a
44137 Dortmund
fon: +49 (0)
Hello Simon,
Both raid controllers are brand new and working with cache.
We use RedHat AS3 and when looking with the dset utility, the DELL server
transferes aprox 35M/s read and write from/to the disk when restoring
The HP does aprox 10k/s read/write!!
When building the data volumes both server
> Hello,
>
> We use sapdb 7.4.3.31-1 on two different servers.
> One server is a Dell PowerEdge 6850 and the other is a HP Proliant DL580
> G3.
> When checking both systems, the dell is a little bit faster when writing
> to disk and reading from disk but this is normal because the Dell has 256M
> c
Hello,
We use sapdb 7.4.3.31-1 on two different servers.
One server is a Dell PowerEdge 6850 and the other is a HP Proliant DL580
G3.
When checking both systems, the dell is a little bit faster when writing
to disk and reading from disk but this is normal because the Dell has 256M
cach on the r