aws vs physical server

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If you are able to maintain your own dedicated servers, you are far better off with Dedicated servers of your own than Amazon EC2. First, you need to get set up to use Amazon EC2. Amazon Web Services, Google Cloud, Dropbox are the few examples of cloud technique. Next: Windows Server 2016 IIS won't use second NIC. High scalability is definitely one of the biggest advantages of using Amazon EC2 and so is the flexibility it offers. If another customer starts to se… Disconnect any CD-ROM drives (virtual or physical) connected to the VM. We will consider the following: 1. This high cost can be justified by the fact that clients subscribing to AWS will not need support at all. (You don’t need to buy +200 physical machines with maintenance contracts, etc. An interesting side note: these specific Xeon Platinum models are actually tailor-made for Amazon, you cannot buy them on the market. According to their research, the total average cost of running Hyper-V on a physical server in the SMB, all in: $600/month/server. Many in the audience were skeptical, myself included. A physical server is the most powerful hosting option, however this advantage comes at a cost. (With the micro instances, you have the option to buy partial cores shared between multiple tenants, for a much smaller price.). I also included here the suggested use-case of these instance types by Amazon: Except for the base t2 type (2015), all the CPUs are 2016 or latest 2017 models, so they are all comparable to our reference. Verify your account to enable IT peers to see that you are a professional. Many businesses feel that using AWS cloud solutions will be the best fit for all their infrastructural needs. CloudEndure vs. Azure Site Recovery integrations. Such a system will work perfectly on the condition that not all users/applications require the full ressources at the same time. For 3-year reserved instances in the General-Purpose category, AWS provides a slightly higher discount of 62% vs. 58% for Azure. Dedicated Hosts allow you to use your existing per-socket, per-core, or per-VM software licenses, including Windows Server, Microsoft SQL Server, SUSE, and Linux Enterprise Server. Support to assess physical servers is now generally available in Azure Migrate. An AWS vCPU is a single hyperthread of a two-thread Intel Xeon core for M5, M4, C5, C4, R4, and R4 instances. Next we’re going to do the benchmark on 2 dedicated CPU cores, using 2 parallel threads. Another obvious advantage of VM is the easier … All the single-core results were better than our physical hardware (2016 Xeon), but only slightly. –The above comparisons between physical severs and AWS cloud servers suggest that AWS instances are better suited for cases which require multi-region redundancy and resiliency. Still, this article is only about raw CPU performance, so let’s see where the bill ends up: Now you can see it’s much more balanced! Most of the costs are seen to be higher on AWS cloud. Advantages of AWS. Only Azure offers savings across both platform-as-a-service (PaaS) and infrastructure-as-a-service (IaaS) for SQL Server. What features does AWS offer — or rather, what doesn’t it offer? To validate their claims, we did the same benchmarks on our on premises KVM cluster, assigning 8, 2, 1 vCPU cores, just like in the cloud. When you look only at the raw performance, Amazon seems to be very strong in the competition: However, such a dumbed-down comparison is never really useful: Amazon offers lot of different instance types, which might have a weak CPU, but you get NVMe lightning-fast storage, etc. The AWS is undeniably a leading cloud platform which has been widely accepted by most businesses, but the truth is that there are many more in the market which offer much cheaper solutions. Amazon is selling vCPUs, which is according to the fine print, logical CPU cores, with Hyper Threading enabled and not just the actual physical cores. Amazon Web Services (AWS) Server migration from physical datacenter to AWS. *drumroll* — the nearly 10 years old Xeon X3450 caused some unexpected surprises: it beat the crap out of all the newer brothers on the single-thread synthetic benchmark, by scoring an unbelievable 431.13 e/s value — that’s 133.96% of the 2016 reference model. AWS CloudEndure works with both Linux and Windows VMs hosted on hypervisors, including VMware, Hyper-V and KVM. However, a total of 8 CPU cores (16 AWS vCPUs) and 64GB RAM are strongly recommended for a single production Amazon EC2 instance. So in general, this means either you will suffer from throttled performance by a synthetic benchmark (of 100% CPU usage) of consecutive 2 hours or you will need to pay a minimum of extra 5 cents per hour to get the unlimited CPU burst feature of the t2. Unless you know very well your application’s characteristics, this could lead to unpredictable costs. VPS clients get a share of a physical server for a number of hardware resources they’ve paid for, and multiple clients often share one physical host machine. CloudEndure vs. Azure Site Recovery integrations. Virtualization. The performance of n core vs. n*1 core is between 102–105%, similarly to the first tested model. Then just to test what they suggested, we also did a round with +2 extra vCPUs, left only for the OS. Google Cloud vs AWS: Features and Benefits AWS features. These cores are normally not over-provisioned; while they are not shared “best effort” CPU cores, there’s no guarantee they don’t do optimisations between the different users on the same host. As expected, the older the CPU, the slower it will be: 2016 → 2014 → 2013: 321.84 → 308.67 → 284.93 on the single core benchmark. In simple terms, cloud server hosting is a virtualized hosting platform.. Hardware known as bare metal servers provide the base level support for many cloud servers. These results show that 2 CPU cores vs 2*1 CPU cores are 4.54% more performant on this specific Intel Xeon model. So, when you need only a handful of servers, it is recommended that you go for cheaper service providers. So, the workloads that demand higher bandwidth turn out to be costly on the cloud. On the contrary, when you avail an AWS cloud server, you will have to spend nearly 700 pounds for the same amount of data transfer. These cloud computing web services provide a variety of basic abstract technical infrastructure and distributed computing building blocks and tools. Solved Amazon Web Services (AWS) General SaaS & Cloud Computing Data Centers. So let’s go for the tests! But as I mentioned above, this is the same type of hardware, it’s just more cores than RAM compared to the standard instance. Let us briefly give an introduction of both. – Another key difference between the AWS cloud instances and physical servers are that the dedicated server hosting providers of AWS services are far costlier than hosts offering dedicated hosting. Your email address will not be published. The environment continues to be monitored as it must keep running smoothly. If it’s really the 2013 Xeon, then wow, all my respect to the Google optimization engineers! It means if you have 100 CPU cores in your data center, you need to buy 127 vCPU cores in Amazon to match the same performance. Required fields are marked *. Interestingly, now the difference of the 10 vs 900 second benchmark seem to be very small: 670.61 vs 672.89 e/s. 15 minutes to see actual long-term performance. Windows VMs. (Except for the very constant t2 instance.) Migrate VMs running in public clouds such as Amazon Web Services (AWS) or Google Cloud Platform (GCP). An Amazon EC2 Dedicated Host is a physical server fully dedicated for your use, so you can help address corporate compliance requirements. Here unfortunately I didn’t see a t2 equivalent instance, it’s supposed to be the n1-standard, but it definitely does not perform like our physical machines. Compute instances are easily managed through the Amazon EC2 web interface which allows users to scale up or down, boot instances, and configure processor settings with a few clicks of a mouse. That’s why we did the 15-min benchmarks: On the long-term, the physical instances showed a constant 105% performance compared to the single-thread results. The differences often relate to what is essential for that specific business: the clientele, the need to process information/orders, and how quickly market adaptation changes are needed. Or in percentages, compared to the 2016 Xeon: As you can see, on physical servers the CPU performance is linear with the number of cores and threads. The high availability mechanism used depends on the version of SQL Server … As a reminder: Amazon had a 10–24% performance loss as we increased the number of cores. – These comparisons between physical servers and AWS servers help us understand that the AWS instances are best suited for cases which need multi-region redundancy and resiliency. Pros And Cons Of Amazon EC2 Vs Dedicated Server Hosting Amazon Elastic Compute Cloud or EC2 is a dedicated server offering EC2 instance capacity. Fees are based on a combination of usage, hardware, operating system, software, or networking features chosen by the subscriber required availability, redundancy, security, and service options. These will have minimum resource needs because they will reduce management overheads. Read now: … Reserved Azure VMs / Amazon EC2 Instances. 5. The resources and components of a physical server are not shared between multiple users. Amazon EC2 Dedicated Host is also integrated with AWS License Manager, a service which helps you manage your software licenses, including Microsoft Windows Server and Microsoft SQL Server licenses. Thanks for sharing such valuable information. I chose the n1-standard and the n1-highcpu types. Bluehost vs. AWS: A Complete Overview. Incidentally, costs for the cloud servers are as high as 450%. Amazon Web Services (AWS) is a subsidiary of Amazon providing on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis. Both on Amazon and Google you can only find Intel Xeon CPUs, literally nothing else, and this trend is pretty much the same in datacenters. 1 Support is definitely needed, even if it is acquired in a different way. This article intended only to focus on the raw computing capacity comparison, as I found lack of up-to-date information on the Internet. If there are a few key things we definitely realized by making this comparison: One of the two cloud providers gave us direct feedback on the results we achieved. By the way, interestingly the benchmark showed the same results on the 20-core E5–2658 v2 … So let’s compare this to other physical machines! In the past year, Azure's cloud adoption rate is almost 85 percent that of AWS', up from 70 percent last year. As the first to market and market leader, it conceivably has everything and is constantly updating all its resource and service offerings, keeping bloggers, devs, and analysts all … Process server: The process server acts as a replication gateway. We have used Rackspace, Softlayer and AWS. You can also use Dedicated Hosts to launch Amazon EC2 instances on physical servers that are dedicated for your use. On bare-metal, I made several tests to see if there’s a significant difference based on the operating system (and therefore, the kernel) used: I tested the same machine with CoreOS Container Linux stable (1632.3.0 — kernel 4.14.19), Ubuntu 14.04 LTS and CentOS 7. These will have minimum resource needs as they will trim down overheads. In case you need smaller machines, the diagram might look slightly different — let’s say for dual core instances: Of course you can save a ton of money by using Amazon spot instances (a stock exchange-kind of licits on free computing capacity) or the preemptible Google instances (which can be turned off any time randomly by Google, but latest after 24 hours). At minimum, a 64-bit Tableau Server requires a 4-core CPU (the equivalent of 8 AWS vCPUs) and 16 GB RAM. On a single-core, single-thread setup, during a short 10-second test we get 303.13 events/second, while the long-duration test showed a slightly better performance with 321.84 e/s. The study compared price performance between SQL Server 2017 Enterprise Edition on Windows Server 2016 Datacenter edition in Azure E64s_v3 instance type with 4x P30 1TB Storage Pool data (Read-Only Cache) + 1x P20 0.5TB log (No Cache) and the SQL Server 2017 Enterprise Edition on Windows Server 2016 Datacenter edition in AWS EC2 r4.16xlarge instance type with 1x 4TB gp2 data + … AWS, long time ago, classified different EC2 instance types (“virtual servers”) by defining an “Amazon EC2 Compute Unit” (ECU). Well, Amazon S3 gives … On the AWS platform, you have a ton of different instance types you can tailor for your needs, so we made tests with quite a lot of them. Get … As the name implies, each server is dedicated privately to one client. – Besides the rates of cloud hosting services offered by cloud vendors, the costs of bandwidth or rate of data transfer on the cloud is much more expensive. I have gained good knowledge about AWS. With most cloud systems, the network and underlying storage are shared among customers. To set up the appliance for physical server migration, you download the installer file for the appliance, and then run it on the machine you prepared.After installing the appliance, you register it with Azure Migrate Server … CloudEndure also supports workloads running on physical servers as well as cloud-based workloads running in AWS, Azure, Google Cloud Platform and other environments. Amazon Web Services (AWS) is a subsidiary of Amazon providing on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis. However, this notion is not completely true. The rest is not so appealing, even best case we lose ~17%, which goes up to ~27% with the m5 generic-purpose instances. Matching the needs of your business to the configuration is the most crucial aspect of choosing between computing … For one thing, AWS is a cloud server, so you can definitely expect flexible performance. So, the latter can offer almost 13 times greater storage at far lower costs. At times, when support is needed, the AWS is found to be lacking and companies have to get third party advisors which in turn escalates the costs. But hey, didn’t you mention 4 Xeons in the comparison?! The following table and graphic provides a high-level view of the components used for physical server replication to Azure. How to get started with Amazon EC2. Amazon relies on virtualization technologies to provide their EC2 services. Cloud makes these migrations easy, but a dedicated server may make these migrations unnecessary. AWS dedicated hosts are drastically more expensive than dedicated servers, costing approximately 450% more on average. But when signing up for the trends in future for public cloud solutions, one must take into account factors like vendor lock-ins, disaster recovery plans, and data accessibility etc. Amazon Web Services Amazon Web Services: Overview of Security Processes Page 5 branded as AWS facilities. – When you invest in AWS spot instances or pre-built physical servers costs are somewhat at par. This is something which you cannot do simply because you will need the staff to manage your internal users. We’re going to compare the CPU speed by events per second values of the test results. docker run --cpus 1 --rm -ti severalnines/sysbench sysbench cpu --cpu-max-prime=20000 --threads=1 --time=900 run, docker run --cpus 2 --rm -ti severalnines/sysbench sysbench cpu --cpu-max-prime=20000 --threads=2 --time=900 run, docker run --cpus 8 --rm -ti severalnines/sysbench sysbench cpu --cpu-max-prime=20000 --threads=8 --time=900 run, Series: self-renewing wildcard SSL certificates, https://aws.amazon.com/ec2/instance-types/#burst, HeadStart System Design — Design Pattern Intuitions, How to handle errors with grace: failing silently is not an option, The magic behind the “with” statement and context manager in Python, Getting Started With WebAssembly and Go By Building an Image to ASCII Converter, Why You Need Decorators in Your Python Code, The Ultimate Guide to Writing Out Ruby Object Relationships. This allows us to focus diagnostic efforts on the right problems. A decent dedicated server can take you well beyond an initial launch for most companies but a small cloud instance may be cheaper in the short term. Amazon Web Services Amazon Web Services: Overview of Security Processes Page 5 branded as AWS facilities. Please feel free to share your thoughts or you if made a similar benchmark, would be nice to see how they compare with these results. AWS vs. An Amazon EC2 Dedicated Host is a physical server fully dedicated for your use, so you can help address corporate compliance requirements. only because you have every day a 2-hour peak, then those machines only consume electricity with 40% idle CPU…). In case of any hosting requirement, you can easily contact us for Hosting Requirement. The goal: gather data which can support a decision about which cloud provider to choose, and help exactly how many vCPUs you need to buy in the cloud, when you already know how many you normally use in a physical server in your own bare-metal environment. Using AWS reserved instances is approximately 250% more expensive than contracting equivalent physical servers for the same length of time. If you have more time, would be interesting to see detailed benchmarks with different kernels, before/after Meltdown-Spectre tests with different thread/CPU core count, etc. Nice blog! on Oct 21, 2015 at 15:18 UTC. CloudEndure Migration: An AWS Service for Migrating Physical Servers to the Cloud. (Of course if the application and the infrastructure supports it.). Due to lack of time, I just did then a quick test in Google Cloud, using the above mentioned method: overprovision the available cores by a lot — so basically I need only 2 cores for my application, but I will buy 8: Yes, it’s true, here I got linear performance increase, just like with a bare metal — but for the price of buying 2x, 8x, etc. The cost of solution A or B is far more complex than just checking random instance hourly prices, when you start considering custom networking, storage requirements, bandwidth, etc. This AWS approach is easy to learn when you enroll for certification programs. This dedicated server is utilized only by you and all its resources are used by you. At a glance; Comparing Cloud Instance Costs. Amazon Web Services, as an internet services company, has proven dominance in a lot of areas. Since almost every … These cloud computing web services provide a variety of basic abstract technical infrastructure and distributed computing building blocks and tools. on bare-metal: CentOS 7 and CoreOS 1632.3.0, on Google Cloud Platform: CoreOS 1632.3.0, 2014-model of Intel(R) Xeon(R) CPU E5–2660 v3 @ 2.60GHz, 2013-model of Intel(R) Xeon(R) CPU E5–2658 v2 @ 2.40GHz, and for some fun, a 2009-model of Intel(R) Xeon(R) CPU X3460 @ 2.80GHz, there seems to be about +5% gain each year in the new Xeon model, compared to the previous year’s, the old 2009-model Xeon is significantly stronger on single-thread workloads, but quickly loses as multiple threads appear, t2 (basic): Intel(R) Xeon(R) CPU E5–2676 v3 @ 2.40GHz, m5 (generic): Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz, c5 (high CPU): Intel(R) Xeon(R) Platinum 8124M CPU @ 3.00GHz, r4 (high mem): Intel(R) Xeon(R) CPU E5–2686 v4 @ 2.30GHz, i3 (high IOPS): Intel(R) Xeon(R) CPU E5–2686 v4 @ 2.30GHz, the single-core performance is much better than our reference, with only 1 exception, while on the cloud providers, it was only partially true: it increases linearly with the more vCPUs, but still you only tend to get ~80% performance of a physical machine (=. Enable Remote Desktop (RDP) for remote access. I’m wondering whether it would feasible to destroy and recreate all my t2 instances every 23 hours, so I can stay on the fixed price, cheap high performance instance…? Of course, as expected, this advantage melts down very quickly as we increase the thread count first to 2, later to 8: while on the dual-core setup we still achieve a sparkling 127.71% of the 2016 reference, on 8-cores we’re already at only 73.52% performance of the big brother (1996.96 e/s vs 2716.31 e/s). Making a Choice: Cloud Servers vs Dedicated Servers. Also, for your QA environment the cheap should be perfectly fine — just adapt all your tools to manage correctly suddenly disappearing virtual machines and re-allocate resources dynamically. Such a system will work perfectly on the condition that not all users/applications require the full ressources at the same time. – When you compare the costs of running traditional dedicated servers which use MySQL with AWS-managed RDBS, you will see the costs are almost six times lesser when compared to running databases in AWS. Again, the difference was measurement error category, so we are going to see the following operating systems: The reference machine: a 2016-model Intel(R) Xeon(R) CPU E5–2690 v4 @ 2.60GHz. Yeah, back then multi-threading was not really a thing for the average application. Example 1U Server EC2 Extra Large Instance (m1.xlarge) 1 quad -core Xeon processor, 2.4Ghz 16GB of memory 2 x 300GB SATA hard drives A VPC like AWS or Digital Ocean server will cost you anywhere starting from Rs. This is why when you need only a handful of servers for your business it is better to go for the cheaper providers in the market. For more information about running your website on AWS, see Web Hosting. The components are: Availability Zones (AZs) Sometimes that’s exactly what you need. This round of testing does not intend to be perfect and thorough, there are professional IT magazines who do that; we wanted to have quick and reliable benchmark data, which fits our needs. When it comes down to connecting to a “physical server” vs a “virtual server”, the experience from a client perspective is going to be the exact same. Of course, both have certain benefits to certain people, but what is right for you? An additional option you can have: both providers also offer long-term discounts, if you commit on 12 or 36 months of continuous usage. Amazon has instances categorized into Small, Large, extra Large. Here, are significant advantages of adopting AWS cloud services: Compute Cloud allows you to increase or decrease storage according to the need of your organization After doing the same sysbench measurements, we arrived at the following values in the 10-second short test: Don’t forget Amazon might allow temporary spikes in your workload without rate-limiting your CPU performance. Similarly, on 8 cores-8 threads, we get 2716.31 events per second, which gives us a +5.50% (or 105.50%) of the 8*1 CPU core performance. On the contrary to Amazon, Google offers a very simplified portfolio of instances: either you buy standard or CPU-optimized virtual machines — and that’s it. – Another key difference between the AWS cloud instances and physical servers are that the dedicated server hosting providers of AWS services are far costlier than hosts offering dedicated hosting. One on hand, it absolutely makes sense, on the other hand it still means I need to buy 2x the size (and the price) of the instance to achieve/surpass the actual on premises performance…. An Amazon EC2 Dedicated Host is a physical server with EC2 instance capacity fully dedicated to your use. This makes it a great option for companies that plan on scaling up in the near future. A dedicated server is a physical server situated in a data center. A couple of years ago I attended an Azure IaaS Bootcamp put on by Microsoft. A realistic scenario might be to buy on-demand fixed instances for your usual core workload, then auto scale it with spot/preemptible cheap instances when there’s a peak of traffic. When all apps are shifted to the AWS, all the maintenance responsibility is not automatically shifted. Amazon CloudEndure Migration is a free, highly automatic, lift-and-shift migration solution. EC2 touts many benefits including scalability and lower costs. When you sign up for dedicated hosting plans from a host, you are likely to be allotted about 10TB along with a dedicated server. Since there’s only basically 2 kind of instances, the test was very quick and easy. This CPU has 8 logical cores, so we cannot go any further with the tests. Customers who access the AWS services on a regular basis can pay for an individual virtual AWS system, a physical computer, or clusters of either of the two. Your Server For example, let’s compare a typical single, 1U, rack-mount server to an Amazon Elastic Compute Cloud (Amazon EC2) instance. This can cause disk I/O to be unpredictable. Google Trends Azure vs. AWS. Moreover, the use of AWS Reserved Instances has also been found to be about 250% costlier than if you were to get physical servers instead on contractual basis for the same period of time. Dedicated Server Hosting > Blog > Costs of AWS vs. So, any small but complex hosting platform will become more affordable on AWS. With a virtual infrastructure, you have the same physical server with all the resources, but instead of the server operating system, there’s a hypervisor such as vSphere or Hyper-V loaded on it. So looks like after you match the actual number of the logical CPU cores, increasing the thread count above that doesn’t gain you anything on the long term. Note that .NET Framework 4.5 or later will be installed automatically on your VM if required. The discounts for Computer and Memory instances are also similar across both clouds, ranging between 62-64%. Physical server performance compared to cloud providers. I made the tests using a Docker image of the well-known sysbench tool, but as a comparison, I did the same measurement with the binary, without using Docker. Physical to Azure architecture When you scale up, your costs go up too, and the Amazon cloud’s scaling levels start fairly low, meaning even a minimal increase in traffic co… AWS acquired CloudEndure, a Disaster Recovery as a Service (DRaaS) product that lets you seamlessly move physical server workloads to the cloud. During our research on the Internet, we found a surprisingly small amount of actual, useful benchmarks when it comes to raw CPU performance, so we decided to make our own. The document has been extended with a brand new chapter discussing the migration procedure of a SQL Server FCI cluster with shared disks to VMware Cloud on AWS. For a real production workload, I don’t find it realistic that you could reserve all your capacity by hazardous bargaining to win 20–90% of discounts. In this post, we’ll take a look at the components that make up the AWS Global Infrastructure. Especially if you have constant usage. Add the Amazon name to this service and customers will continue to flock toward this service. Your Server For example, let’s compare a typical single, 1U, rack-mount server to an Amazon Elastic Compute Cloud (Amazon EC2) instance. They said the performance loss is due to using the Hyper Thread cores, instead of having the real ones, like in a bare metal test — because in the physical machine when you restrict Docker to 8 CPU cores, you still have maybe 12 more installed, ready for the OS to use for interrupts, etc. Install the appropriate version of .NET Framework on the VM. A decent dedicated server can take you well beyond an initial launch for most companies but a small cloud instance may be cheaper in the short term. Physical access is strictly controlled both at the perimeter and at building ingress points by professional security staff utilizing video surveillance, intrusion … Dedicated Hosts give you additional visibility and control over how instances are placed on a physical server, and you can reliably use the same physical server over time. CloudEndure also supports workloads running on physical servers as well as cloud-based workloads running in AWS, Azure, Google Cloud Platform and other environments. This classification till date helps developers to compare the CPU capacity between different EC2 instance types. For instance, you cannot completely cut down all your IT staff members when you move to the AWS. This means more computing power can be provisioned quickly and when it’s needed, but what does it mean as far as costs and needs go? One physical server can in theory host dozens of hypervisors/VM, and each of these VMs will run a different application, thus replacing the need for dozens of separate, dedicated, and underutilized PCs. 17. This proves that the idea that AWS server costs are always less and they do not need support is not entirely true. Seems like Google is more or less the same so far. This tutorial is the third in a series that demonstrates how to assess and migrate physical servers to Azure. Key Differences Between AWS and Azure. The customer receives access to a physical server with the agreed upon hardware specifications, processing and storage, all in one unit. We find that dedicated servers offer the best performance – especially on a per-dollar basis. The Amazon EC2 cloud has been a hot topic in the IT world recently. It receives replication data, optimizes it with caching, compression, and encryption, and sends it to a cache storage account in Azure. ie if you are already an established web service/website/ecommerce site. Essentially, Amazon EC2 provides the same level of access and control as a physical server operated locally in the office. Example 1U Server EC2 Extra Large Instance (m1.xlarge) 1 quad -core Xeon processor, 2.4Ghz 16GB of memory 2 x 300GB SATA hard drives © 2018 Go4hosting.in. They allow you to oversubscribe your resources without additional cost. more than what I wanted to pay originally, while with the physical machines I did not have this limit, even with KVM virtualization.

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