[Linux-cluster] MySQL on GFS benchmarks

[Filipe Miranda]

Sander,

It depends, if you are looking for performance, definately SAN.
iSCSI  might have a better performance over GNBD.
I found this on google
http://www.bwbug.org/docs/RedHat-GNBD-Ethernet-SAN.pdf
It has some detais about GFS on SAN and on GNBD, It might help though.3
Good Luck and keep us posted.

Att.
FTM


On 4/26/06, Sander van Beek - Elexis <sander at elexis.nl> wrote:
>
> Hi all,
>
> We did a quick benchmark on our 2 node rhel4 testcluster with gfs and
> a gnbd storage server. The results were very sad. One of the nodes
> (p3 1ghz, 512 mb) could run +/- 2400 insert queries per second when
> running mysqld-max 5.0.20 on a local ext3 filesystem. With a 2 node
> GFS over GNBD setup and inserts on both nodes at the same time, we
> only could do 80 inserts per second. I'm very interested in the
> perfomance others got in a similar setup. Would the performance
> increase when we use software based iscsi instead of gnbd?
> Or should we simply buy SAN equipment? Does anyone have statistics to
> compare a standalone mysql setup to a small gfs cluster using a san?
>
>
> With best regards,
> Sander van Beek
>
> ---------------------------------------
>
> Ing. S. van Beek
> Elexis
> Marketing 9
> 6921 RE Duiven
> The Netherlands
>
> Tel:    +31 (0)26 7110329
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> Fax:    +31 (0)318 611112
> Email: sander at elexis.nl
> Web:    http://www.elexis.nl
>
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