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Slow VMWare Workstation 15

Posted on 5/17/19 at 1:39 am
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/17/19 at 1:39 am
I'll try and include all of the relevant info in my OP, but lately, I have been having a lot of lagging on my VM...sometimes to the point of crashing programs. I use my work computer running pretty intense simulations simultaneously, and have a program that monitors those simulations for a customer's control systems. Either not, or barely using the host while the client is running. Not connected to the internet.

It is pretty annoying to have this happen, and I definitely don't think it should be happening on this computer. Thinking I might have some settings wrong or something.

I'm gonna be at a site with spotty internet service from Fri-Sun, so I might not be able to answer questions quickly. Any help would be greatly appreciated.


When problems occur:
CPU Usage ~ 30%
Memory ~ 8-15GB
Disc response time doesn't seem abnormal, but I can't remember what it is

Computer specs:
Precision 7730
Xeon E-2176M
64GB RAM
1TB PC401 NVMe Sk hynix SSD
Quadro P4200
Power Mgmt set to High Performance

I have the VM set up with:
32GB RAM
6 Processors
65GB hard disk 1
70GB hard disk 2

The software stores a lot of data, but dumps the unimportant stuff so disk space doesn't fill up
Posted by hashtag
Comfy, AF
Member since Aug 2005
27496 posts
Posted on 5/17/19 at 5:53 pm to
What OS is the VM? And what does the VMs memory and CPU usage look like prior to apps crashing?
Posted by Breauxsif
Member since May 2012
22290 posts
Posted on 5/18/19 at 10:04 am to
I assume you’re using Windows 10 because you’re an engineer, however a few questions to help troubleshoot your issues?

How much memory does the host have ?

What CPU is in the host ?

What disk system is in use by the host and VM ?

What is the VM ?

Have you configured the VMware Workstation preferences to Reserve ALL Memory for VMs ?

Moreover, utilize type 2 hypervisor, an application on Windows 10, rather than Client Hyper-V, a type 1 hypervisor, which will give far better performance.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/18/19 at 10:39 am to
W10 Pro for the host and VM. Specs for both are in the OP. I'll look into the last suggestion
Posted by Breauxsif
Member since May 2012
22290 posts
Posted on 5/18/19 at 12:09 pm to
Check your bios and see if the Hardware Virtualization is enabled for your work laptop Right click on it and go to settings. These settings are related to your machine and can set the memory from there. In the processors panel you can check if HW Virtualization is enabled by vmware.

Key thing to check, that most forget, is to ENABLE VIRTUALIZATION in your computer's BIOS, Your systems admins may have disabled this,

Boot your work laptop to get into the BIOS manually (usually F1 or F2 key), look for a VIRTUALIZATION setting, and make sure it's ENABLED. I ran into the same issue, when running multiple automated Python scripts.

Is your IT department offshore or in house?
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/18/19 at 5:43 pm to
One smaller company (with its own IT dept) within two very large American companies, so everything is in-house. I prefer not to wait on other people, so fixing it is myself the best option.

Don't want to mess with the BIOS until I'm done with this job. Is there any reason for virtualization to be disabled?
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/20/19 at 4:22 pm to
Alright, so virtualization is enabled in the BIOS. Had another crash today too
Posted by bluebarracuda
Member since Oct 2011
18242 posts
Posted on 5/20/19 at 4:47 pm to
I know with Proxmox, it sometimes doesn't like having all cores thrown on a single VM. Try doing only 5 cores/10 threads and seeing if you still have the crashing
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/20/19 at 7:56 pm to
Cut it back to 4 cores, and will be doing some work tomorrow. Hopefully it helps, because it was creeping at several points throughout the day
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/21/19 at 7:27 pm to
Okay, so taking data went smoothly today, but I ran some more simulations at the end of the day, and got enough lag to annoy me. I ran HWMonitor on the VM while I was doing stuff.

Cores maxxed out at:
99%
99%
100%
100%
- In general, hovered around 35-45% across the board, but all would jump up every 15sec or so. Memory only went to 26%.

Is this just the programs doing it? The fans were running pretty steadily, and on the host, it was registering 175+ degrees for everything. I'm about to just give up on it, and turn the thing into the IT Dept
Posted by philabuck
NE Ohio
Member since Sep 2008
10379 posts
Posted on 5/21/19 at 7:40 pm to
I would be concerned if the temps were constantly that high..

What process is eating the CPU usage? Should tell you in the task manager.
Posted by bluebarracuda
Member since Oct 2011
18242 posts
Posted on 5/21/19 at 8:50 pm to
quote:

The fans were running pretty steadily, and on the host, it was registering 175+ degrees


I assume that's fahrenheit, which would make it 80C. That's not too bad, 90C is probably where you'll see thermal throttling

Unless the CPU is throttling at 80C
Posted by BeepNode
Lafayette
Member since Feb 2014
10005 posts
Posted on 5/21/19 at 9:16 pm to
Try going down to 4 cores. You might be hitting up against some vNUMA scheduling issues depending on what else is running.

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