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VMWorkstation RAM

A

aliaskary77

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Dec 18, 2006
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Hi

I have a mobile i7 with 8gb ram. The max recommended ram for a vm is 6. I keep it at 4.
while the vm does work well, when I start up oracle 11g, it crawls. start up can take 10minutes.

would I benefit from going to 16gb or 32gb on a new 4790k build?

thanks.
 
What storage? One of the best things you can do is to go SSD. Then add RAM. But often disk I/O is key.
 
If it runs fairly well but loads slow.... it's likely disk io.
More RAM won't hurt.

Is that the only vm?
What other actives are going on?

I7 quad or dual?
 
To echo everyone else, with Workstation the performance problem is the disk. You are saying "mobile i7" meaning you are most likely using a laptop and running your OS and a bunch of other stuff on the same disk as Workstation. The VM performance will suck.

I run nested ESXi on Workstation in my home lab and it works flawlessly, the VM load is spread around 5 SSDs and I could literally spin up dozens of VMs on this and not run into performance issues, see some discussion about this here: http://hardforum.com/showthread.php?t=1751124
 
mobile i7 dual is i7M quad are QM
SSD should make a drastic speed difference without any other changes, but, I would think if this is more professionally needed, look for something that offers something a little more secure and tolerant then standard desktop SSD
 
thanks all. i7 Q720 4Core/8Thread @1.6. This is the Alienware M17X-R2. I do have a few VM but never run more that 1 at a time. The one in question would be the heaviest load. The OS is on an SSD but the VM files are not.

The new 4790k system will be on raid 0 SSD for OS most likely, and a 3rd SSD for apps, including VMs. another spin hdd for storage and backups.

The reason I thought it would be ram is because Oracle when up and loaded take 270MB by itself. I have the service set to manual and start stop only when needed.

I also have the processer config set as number of processors = 2, number of cores per processor =2. It says total processor cores: 4.

I never really understood how to set that. any recommendations on that.
 
aliaskary77 said:
thanks all. i7 Q720 4Core/8Thread @1.6. This is the Alienware M17X-R2. I do have a few VM but never run more that 1 at a time. The one in question would be the heaviest load. The OS is on an SSD but the VM files are not.

The new 4790k system will be on raid 0 SSD for OS most likely, and a 3rd SSD for apps, including VMs. another spin hdd for storage and backups.

The reason I thought it would be ram is because Oracle when up and loaded take 270MB by itself. I have the service set to manual and start stop only when needed.

I also have the processer config set as number of processors = 2, number of cores per processor =2. It says total processor cores: 4.

I never really understood how to set that. any recommendations on that.
Click to expand...

Yeah ..SSD is going to help you for sure then.

As far as resource assignments.. my (limited) knowledge says start with a single vCPU and monitor - if VM CPU has a sustained high use, add another.

Having said that .... most app vendors have guidelines for running their app on hypervisors.

A quick google on Oracle VMware best practices yields:

http://www.vmware.com/files/pdf/par...atabases_on_VMware_-_Best_Practices_Guide.pdf
 
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