I have a question. I have purchased two servers (VPS and semi-ded) and comparing them to find out which one is good for my website. One of the comparisons is load test by loadimpact. I choose 250 SBU from Singapore and Tokyo. Duration time 10 minutes.
My website: database driven, custom built php website. Homepage is 2Mb. No cache plugin.
VPS server with KVM virtualization: 4CPU Xeon, 4GB Memory, SSD Raid. I have NGINX v4.7 installed before testing. No other server configuration or optimization.
Semi-ded has no specific information except it says Semi-ded,
After the testing, both the server responded well until 50 SBUs. User load time was 2.5 sec which is good for me. Then the VPS began up and down. By the time SBUs reached 250, its user response time was on average 25 seconds. BUT the semi-ded kept cool. When it had 250 SBUs, the 2.5 second average did NOT move! It went down to even 1.7 sometime.
So from this test, the semi-did which costs $25 less than the VPS seems to be better for me who's an average Joe.
However, for my personal experience, VPS responds better. I mean when i browse the site and navigate through it, VPS shows me pages faster and i feel quicker responses than the semi-ded. The semi ded sometimes let me wait at least 5 seconds.
Any idea why it could be like that? Shall i trust my own experience and go with the VPS or rely on the impact test and choose the semi-ded?
Any hint will be appreciated. You guys are all awesome. I love this forum.
Because with semi-dedi, you can use the entire power of the server while with VPS, you are using what is allocated to you only. It will depend also how the semi-dedi is configured while your vps is already set.
Thank you for the reply. I had to compare them because i had to choose one of them. I forgot to mention that i used Cloudflare free account for both the impact tests.
I personally feel faster with the VPS while the semi ded shows me a nice data. Anyway, i'm waiting my real life traffic spike within few hours and going to see how the VPS responds to 200+ real guests per minute.
A semi-dedicated server is a VPS with more resources. It's hard to compare because I have seen shared hosting plans outperform a VPS. It all depends on how the node is managed, if it's over-loaded etc.
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I think ud compromise on price and get performance and vice versa
And semi dedi is better bcos all the apps are compatible with the non virtual environment
I'm not sure what you mean by all the apps are compatible with the non virtual environment? If you have a VPS, for example a KVM VPS, you setup the environment to your liking so that all of your applications are compatible.
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I think you need to clarify with the host what they mean by "semi-dedicated". Some people are saying it's full resources of the entire server, while others say it's a "more powerful vps". Just in another thread a few days ago, "semi-dedicated" was said to be shared hosting with higher resources......so which is it?
Guys, thank you very much for all your inputs. I am now toward to semi-dedicated. Because:
-The website in the VPS was hacked today. This website persisted thousands of hacking attempts for few years and it was always hosted in shared hosting. Today's hack was perhaps a coincidence. Perhaps not because i do not have knowledge to configure the VPS (by the way, it's a fully managed package). And when i contacted the server support team, i received this answer: "We don't see any hacking going on. It might have been changed from your end." Well, i told him that the hack was done several hours ago not right now. And he suggest me that i did it? I hesitate to mention the VPS hosting here because i'm sure their weekend support guy must be someone who has less experience and dumb (how can you tell that you hacked your website yourself). I have transferred the site now to the semi ded and it's going fine although a bit slower than VPS.
Update: i told the dumb guy that i have no reason to damage my own web. He then responded: can you please give us your root login details?
So, he must have replied to my ticket without checking the file. Well, i understand if he's not given access to roots but he could have asked it first. Anyway, i read somewhere that a hosting company owner complained of how difficult it is to find good support team member. I can see that from my ticket replies. I also remember Hostgator once offered 3K reward just for referring experienced system admin. I understand you guys who run hosting business. Because of you and your business, i can run website today
I heard somewhere that VPS is less secure than semi-ded unless it's well configured. VPS needs really good security configuration while semi-ded is "covered" by the general security of that specific server from hosting company. Is that true?