Re: Laptop for Lots of VMs
- From: "Vishal Gupta" <vishal@xxxxxxxxxxxxxxx>
- To: "De DBA" <dedba@xxxxxxxxxx>
- Date: Thu, 25 Nov 2010 08:45:52 +0000
I guess intel core i7 with upto 6 cores and 12 threads should help with running
multiple VMs.
If you sufficiently fast hard drive (faster than 7200rpm instead of laptop
disks at 5400rpm). Even better if its an SSD. And sufficient cores, I expect
laptops to perform good enough.
Cheers,
Vishal
On 25 Nov 2010, at 00:21, "De DBA" <dedba@xxxxxxxxxx> wrote:
> I use a MacbookPro 15" with 4GB RAM, dual-core CPU (half a year old). I can
> run a database natively in MacOS as well as two VMs using VMWare Fusion
> (debian & Windows7) and run db's with some performance in those as well.
> More than 2 VMs does not really work for me... All VMs are located on the
> internal (500G) disk.
>
> I also found that the VMs should not have more than one CPU allocated, or
> performance goes up the creek. Especially when the guest OS is Windows. I
> remember seeing an article on hypervisors and multiple-threaded cpu's that
> explained this, but can't find it anymore.
>
> I expect that the performance would not necessarily improve much with more
> memory, but more cores in the CPU may make a difference.
>
> Hope this helps,
> Tony
>
> Vishal Gupta wrote:
>> Thanks for the responses so far.
>> I can access my home desktop machine from anywhere in the world as well. As
>> I have a fixed IP address. But trouble with that is when ur mobile broadband
>> is not working due to weak signal at client site and you want to try out
>> something fast, home desktop data centre is of no use. And many clients
>> restrict the Internet ssh connectivity and remote desktop sites like
>> (logmein, team viewer, rdp, ssh over Internet so no tunnelling possible etc)
>> I think I get more value for money by having the machine at home. My home
>> machines never shuts down, it's switched on all the time.
>> Coming back to my original question, does anyone run lot of VMs on MacBook
>> pro? Does it perform well enough?
>>
>> Regards,
>> Vishal
>>
>> On 24 Nov 2010, at 18:08, Fernando José Andrade <jotawolf@xxxxxxxxx
>> <mailto:jotawolf@xxxxxxxxx>> wrote:
>>
>>> I agree with Martin, for me the best mobile solution is a hosted server and
>>> a thin light laptop ( a macbook air 13" better).
>>>
>>> For testing elastic and on demand elastic cloud like amazon or linode, for
>>> permanent things a hosted server in ovh.es <http://ovh.es>.
>>> Pretty much the same price a year and a lot less pounds on the shoulder (
>>> the medic bill when you get retired can count on this LOL ).
>>>
>>> Regards
>>>
>>> FJA
>>>
>>>
>>> On Wed, Nov 24, 2010 at 6:57 PM, Martin Bach <development@xxxxxxxxxxxxxxxxx
>>> <mailto:development@xxxxxxxxxxxxxxxxx>> wrote:
>>>
>>> If money didn't matter I would buy a ThinkPad x201s with 8gb of
>>> memory. I think it comes with an esata port as well.
>>>
>>> Didn't see any laptop with more memory anywhere.
>>>
>>> I am using an alternative: a hosted server with a core i7 920,
>>> 1.5tb raid 1 and 24g of memory. Accessible via ssh from pretty
>>> much everywhere and running opensuse 11.2 and a xen hypervisor.
>>> All for 89 euro per month :)
>>>
>>> Martin Bach
>>>
>>> Oracle Certified Master 10g
>>> http://martincarstenbach.wordpress.com
>>> http://www.linkedin.com/in/martincarstenbach
>>>
>>> ----- Reply message -----
>>> From: "Amaral, Rui" <Rui.Amaral@xxxxxxxxxxxxxxxx
>>> <mailto:Rui.Amaral@xxxxxxxxxxxxxxxx>>
>>> Date: Wed, Nov 24, 2010 17:16
>>> Subject: Laptop for Lots of VMs
>>> To: "'andrew.kerber@xxxxxxxxx <mailto:andrew.kerber@xxxxxxxxx>'"
>>> <andrew.kerber@xxxxxxxxx <mailto:andrew.kerber@xxxxxxxxx>>,
>>> "vishal@xxxxxxxxxxxxxxx <mailto:vishal@xxxxxxxxxxxxxxx>"
>>> <vishal@xxxxxxxxxxxxxxx <mailto:vishal@xxxxxxxxxxxxxxx>>
>>> Cc: "oracle-l@xxxxxxxxxxxxx <mailto:oracle-l@xxxxxxxxxxxxx>"
>>> <oracle-l@xxxxxxxxxxxxx <mailto:oracle-l@xxxxxxxxxxxxx>>
>>>
>>>
>>>
>>> I have a couple of Toshiba's Qosmio X500 with 64bit.
>>>
>>>
>>> http://www.toshiba.ca/web/product.grp?lg=en§ion=1&group=1&product=9652&part=10970#spectop
>>>
>>> <http://www.toshiba.ca/web/product.grp?lg=en§ion=1&group=1&product=9652&part=10970#spectop>
>>>
>>> the spec says 1 tb hard drive but mine is 1.5TB on 2 disks.
>>>
>>> eSATA combo port
>>>
>>>
>>> Rui Amaral
>>> Database Administrator
>>> ITS - SSG
>>> TD Bank Financial Group
>>> 220 Bay St., 11th Floor
>>> Toronto, ON, CA, M5K1A2
>>> (bb) (647) 204-9106
>>>
>>>
>>>
>>> ________________________________
>>> From: oracle-l-bounce@xxxxxxxxxxxxx
>>> <mailto:oracle-l-bounce@xxxxxxxxxxxxx>
>>> [mailto:oracle-l-bounce@xxxxxxxxxxxxx
>>> <mailto:oracle-l-bounce@xxxxxxxxxxxxx>] On Behalf Of Andrew Kerber
>>> Sent: Wednesday, November 24, 2010 12:03 PM
>>> To: vishal@xxxxxxxxxxxxxxx <mailto:vishal@xxxxxxxxxxxxxxx>
>>> Cc: oracle-l@xxxxxxxxxxxxx <mailto:oracle-l@xxxxxxxxxxxxx>
>>> Subject: Re: Laptop for Lots of VMs
>>>
>>> I have a Dell XPS M1330 configured close to this. 8G RAM. With
>>> SSD. You might be able to find one with an ESATA connecter that
>>> would help the external drive speed.
>>>
>>> On Wed, Nov 24, 2010 at 10:58 AM, Vishal Gupta
>>> <vishal@xxxxxxxxxxxxxxx
>>> <mailto:vishal@xxxxxxxxxxxxxxx><mailto:vishal@xxxxxxxxxxxxxxx
>>> <mailto:vishal@xxxxxxxxxxxxxxx>>> wrote:
>>> Hello List,
>>>
>>> I currently have a home desktop, which I used for running my all
>>> VMs on VmWare Server. It good enough configuration to run 3-4 or
>>> more VMs at the same time. I have two internal hard disks on
>>> desktop. To get decent enough performance from VMs, I tend to run
>>> VMs on separate disk than the host disk.
>>>
>>> But many times, I have left in situation where I don't have
>>> access to my small home virtual data centre. So I was looking for
>>> a powerful but lightweight laptop for this purpose. Ideally I
>>> would love to have VMs on separate disk. But laptop normally
>>> don't have enough room for 2 internal disks. And running VMs on
>>> external disk over USB2.0 (@480Mbps i.e. about 5 times slower
>>> than eSATA drives) will give a dreaded performance. USB3.0
>>> (@5Gbps twice as fast as eSATA) would be good enough. But not
>>> many laptops support it yet.
>>>
>>> Does anyone has any laptop recommendation for this purpose? I had
>>> MacBook Pro with 8GB + SSD hard disk in mind. It would cost about
>>> £2000 (inc VAT) in UK. Does anyone has any experiences to share
>>> of using MacBookPro to run multiple VMs?
>>>
>>>
>>> Desktop Configuration
>>> CPU - Intel Core i7-920 (64bit) - single socket with 4 cores, 8
>>> threads
>>> RAM - 6GB
>>> Disk - Two internal 750GB each SATA-300 (@2400Mbps) drives , 1
>>> external 2TB eSATA (@2400Mbps) drive.
>>> Disk 1 - (internal) Host OS and other stuff
>>> Disk 2 - (internal) Reserved for running only VMs
>>> Disk 3 - (eSATA @2400Mbps ) Used
>>> Disk 4 - USB 2.0 (@
>>>
>>> Devices Speeds link -
>>> http://en.wikipedia.org/wiki/List_of_device_bandwidths#Storage
>>> http://en.wikipedia.org/wiki/Intel_Core_i7#Processor_cores
>>>
>>>
>>>
>>> Regards,
>>> Vishal Gupta
>>> http://www.vishalgupta.com
>>>
>>>
>>>
>>> --
>>> Andrew W. Kerber
>>>
>>> 'If at first you dont succeed, dont take up skydiving.'
>>>
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>>>
>>>
>>>
>>>
>>> --
>>> ---------------------------------------
>>> Fernando Jose Andrade
>>> http://www.fjandrade.com
>>> M: +0034-649-162-100
>>> @Madrid.Spain
>>> ---------------------------------------
>
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