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I'm not really a Ruby Dev, so not sure if it's a quick fix.
Hi,
I know this project doesn't seem to be updated that often (as it just works) but noticed in our monitoring WMI calls and looks to be from Chef / ruby.exe
Describe the Enhancement
Improve the performance of the WMI calls
Describe the Need
All users would get a bump in performance
Current Alternative
The current solution works fine
Can We Help You Implement This?
I'm not really a Ruby Dev, so not sure if it's a quick fix.
Hi,
I know this project doesn't seem to be updated that often (as it just works) but noticed in our monitoring WMI calls and looks to be from Chef / ruby.exe
https://github.com/chef/wmi-lite/blob/main/lib/wmi-lite/wmi.rb#L35
https://github.com/chef/wmi-lite/blob/main/lib/wmi-lite/wmi.rb#L39
On these two lines of code, you are using SELECT * from
This is very slow for WMI calls and for slower servers, that can impact the WMI host.
If you know the columns you need, then it is best to ask for them up front
E.g. from OHAI.
wmi.first_of("Win32_ComputerSystemProduct")["UUID"]
Should turn into
SELECT UUID from Win32_ComputerSystemProduct
https://evilgpo.blogspot.com/2014/11/wmi-filter-queries-and-thoughts-on.html
Thanks!
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