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How can I work out how much CPU I need?
Thinking about signing up with Time4VPS, and you can choose how much CPU you need in 0.5GHz increments.
How can I work out how much I need? The existing VPS has access to 24 cores and the current load usage is 2.27, 1.93, 1.73
Running IP.Board with 1,500+ uniques, 65,000+ hits per day - lighttpd and MySQL, using about 256MB RAM
Edit: nvm the pre-built servers are cheaper and come with 2.4GHz, but I'd be curious to know how anyway
Comments
You need at least 2 GHz with current traffic. Use 3 GHz to handle some little traffic spikes (you'll need much more GHz if you want to handle bigger traffic spikes).
Though time4vps probably not good. It's probably full of oversell (especially on CPU), so you luckily to have less than 40% stolen CPU resources if you will order a lot of GHz.
Depends on the CPU and virtualisation, anything with a decent number of cores should be OK...
E.G https://www.cpubenchmark.net/cpu.php?cpu=Intel+Xeon+L5520+@+2.27GHz and https://www.cpubenchmark.net/cpu.php?cpu=Intel+Xeon+L5420+@+2.50GHz - check the GHz and the passmark for each...
Exactly, https://en.wikipedia.org/wiki/Megahertz_myth
Instead you can use HAproxy with a load balancer ( 2 prefered ) and web servers ( 2 prefered ) and a MySQL server ( redundancy a must ) and you're good to go handling double the traffic.
That's for him to decide.
A single VPS could handle 65k hits per day, no problem. Some redundancy can be added just at the hypervisor level, which would be more than enough for the average forum.
Thanks guys. If performance is bad it's not really a problem since it's all backed up so I can just run it on an idle VPS temporarily and move it away again with only a little downtime
When I run
topthough, and it shows a process using 180% CPU does that mean it's using 1.8 cores? Or is it more complicated than that?nprocand/proc/cpuinfoshow 24 coresMore complicated than that. Also depends if you are using full virt or this VPS is just a container.
Finally, it's pretty weird that you have access to 24 cores, except if this is really a monster VPS. May I ask which provider is this, out of curiosity?
Sounds like EvoBurst, but I could be wrong. EvoBurst gives access to all 24+ cores on their standard resource pool bundles.
Uh... big liability in my opinion.
EDIS (Sweden) using linux-vserver (VRS)
Performance has always been great
Wasn't sure and I was wrong, oh well..
GHz != GHz
A Pentium 4 Extreme Edition with 3.73 GHz is obviously a lot slower than a recent Xeon with 2 GHz.
-> find out the CPU you are currently using and the one that time4vps offers