JW wrote:
Hello,
We recently purchased a Dell PowerEdge 6650 thinking it would be a real fast
server.
Specs are:
OS: Linux Debian 4.0/Etch
RAID 5 on 4x U320 15k rpm drives
(uses a perc-raid 3/DC hardware raid controller)
16GB of RAM
4 3.0 Ghz Xeon processors - I think they're dual core, in /proc/cpuinfo it
shows up as 8 processors - maybe it's only HT
<snip>
This machine is not what is seems to be unfortunately.
1. Dell until their latest series with the Woodcrest based CPUs was a
notoriously bad performer period.
2. Raid 5 + Database == run faster over serial cable. Use RAID 1+0.
3. Dell hasn't made a re-branded a decent RAID controller that is
anything more than 18 months old.
4. 16GB doesn't help you because you are limited by your 32bitness. Get
a real machine with real processors.
5. The CPU is hyper threaded, not dual core.
I doubt you would ever get decent performance out of this for any
database let alone MySQL.
Tell your boss to suck it up, spend 5k. You can get a new, decent Dell
for that. Or better yet, a HP.
Sincerely,
Joshua D. Drake
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