[Cialug] OT Developer productivity - was: Which software to use for a SAN

[Daniel E Sloan]

I ran a computer lab off of Citrix for several years.  Its last iteration
was 70 terminals against 3 HS21 dual quad core Xeons.  The only time it
slowed was when everyone was trying to compile their Visual Basic apps.
Otherwise it was pretty snappy.  We discontinued it because of required
apps that had been deliberately disabled in a Terminal Services
environment.

-- dsloan

-----Original Message-----
From: cialug-bounces at cialug.org [mailto:cialug-bounces at cialug.org] On
Behalf Of Jeff Davis
Sent: Wednesday, July 07, 2010 2:16 PM
To: Central Iowa Linux Users Group
Subject: Re: [Cialug] OT Developer productivity - was: Which software to
use for a SAN

Each person is currently allocated 2 vCPUs and 3GB ram.
Out of 13 developers I've only gotten one complaint about the display
not refreshing fast enough.
This person is trying to scroll through a very large document and you
can see a bit of sluggishness.
I haven't found the cause of that yet, but I suspect it may be a latency
issue.

Overall performance has been quite good.  One of the tests was using a
mini 10 tethered to a droid,
then using a windows 7 VM through the vWorkspace SSL gateway.
Browsing around was just like a
workstation and I had no problems playing a quick game on
www.google.com/pacman

-Jeff



On Wed, Jul 7, 2010 at 12:25 PM, Matthew Nuzum <newz at bearfruit.org> wrote:
> On Wed, Jul 7, 2010 at 12:04 PM, Zachary Kotlarek <zach at kotlarek.com>
wrote:
>>
>> Depending on load the VM setup could actually be faster than any
desktop
>> they could reasonably have, since you're running on hardware that's
natively
>> much faster -- a HS22 blade is not a slow machine and it's unlikely
that
>> everyone is going to have 2x Xeon-5600 workstations connected to a
Fibre SAN
>> at their desk.
>>
>> Obviously if everyone hits compile at the same time, or if there are
>> enough VMs that memory/etc. is limited that will not be true, but if
peak
>> usage is non-simultanious and each VM has enough resources the VM setup
>> could be faster for the short bursts of intensive use you're talking
about.
>
> What about display refreshing? As I'm picturing this in my mind I think
of
> something like Terminal Server which often don't have quite as fast of a
> display update as my desktop.
>
> --
> Matthew Nuzum
> newz2000 on freenode, skype, linkedin, identi.ca and twitter
>
> "Never stop learning" -Robert Nuzum (My dad)
>
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