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  #1  
Old 09-11-2010, 02:15 PM
kadiliman kadiliman is offline
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Join Date: Jul 2006
Posts: 28
Default Number of CPUs from 4 down to 1

I rarely log in to administer my VPS (been a customer for 5 years now, and it's a testament to how stable Tektonic's been). What I saw on htop somewhat surprised me: whereas before I saw 4 CPUs, now I only have one.

My server load also rarely hits 1.0 but now it's hovering on 2, with the single CPU maxing a 80% load. I went to support chat and Jason told me that my (old) plan UM-1 was provisioned with just a single CPU (although looking at the link he gave me - http://tektonic.net/vps.php - I can't for the life of me figure out where it is mentioned).

Is this the case? Not that I am doubting Jason, it's just that I find it hard to believe that suddenly my VPS got somewhat demoted.

Thanks!
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  #2  
Old 09-11-2010, 02:56 PM
matta matta is offline
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Join Date: Aug 2006
Posts: 879
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It is a cosmetic change we implemented a little while ago. Instead of receiving 25% of 4 CPUs you see 100% of 1 CPU ). We implemented this to help provide better cache coherency in the CPUs. The next up plan is 2 CPUs instead of 50% of 4, etc. There should have been zero performance loss due to this, if load is higher now it is due to more processes in the run queue.
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  #3  
Old 09-13-2010, 03:39 PM
kadiliman kadiliman is offline
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Join Date: Jul 2006
Posts: 28
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Thanks matta, makes sense now.
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