Running Windows 2008 Server SP1 64bit on a VM. The guest has 4GB RAM installed.
If I look at Task Manager, it tells me approx 3.5 GB physical memory is being used.
I launched Perfmon and checked the following two counters (figures in brackets for average:
i. Commited Bytes : 2.5 GB
ii. Pages Output/Sec: 0
iii. Available Mbytes: 420
I'm confused :)
According to the above, I'm not paging as the Commited Bytes is less than the available RAM. Pages Output/sec confirms this.
But then why do I only have 400MB RAM spare? Shouldn't this be much more?
To add to this confusion, Task Manager says I have:
Could someone confirm the best counter to use to see whether I really am running low on memory?
Was reading http://support.microsoft.com/kb/2160852