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Demand and Supply

This is not an economy class but we are here to tell you the web hosting trend today. We can see the drop in demand of the dedicated servers but increases in VPS.

One reason I can see is the price. If you do not need the resources in a dedicated server, a VPS will help you save money. However, if you are calculating per gigabyte on RAM and the hard drives you will get, a dedicated server is cheaper.

In most cases, a dedicated server is not fully utilized. Average, we see servers used 40% or less is common. There are servers used as low as 15% at all times.

What are the reasons these customers have chosen a bare metal server over the VPS, here are my observations;

  • Past experience – In the past, virtualization is not popular and less stable. The choice is limited.
  • Privacy – Do not want a shared instance even it is virtualized.
  • Over-Provisioned – Expected traffic was underwhelmed.
  • Misled – Inexperienced, they were misled by the salespeople.

I’m a practical person and in my opinion, VPS or you call it a VM can fulfil 75% or more of the requirement. It is a matter of price. Most of these guest machine either they are low-weighted so they can have more guest machines in a node or the storage is expensive. There are cases you need storage space like a mail server.

However, you can see the price is coming down because of competition. Due to the demand, this will affect datacentre operators as well. As soon as it is virtualized, the footprint of the same in the dedicated servers will get smaller too. However, if the provider increased his ship in virtualization, his footprint will get larger in the datacentre.

So, it has depended very much on what they have focused and the market demand.

Dedicated server or a high performance VPS?

Dedicated server or a high-performance VPS?

This has been always in my head, should I deploy a dedicated server or a high-performance VPS? The tricky part is ‘high performance’, how high is high? Higher than? We ask this question ourselves. Yet today, I had have found the answer.

In my dictionary, high performance means better than its class and the enhancement should be speed, not quantity. If you ask me on what to choose between a dedicated server and a high-performance VPS, I will go for a VPS if my application runs well.

There are a few reasons why I go for a VPS. Basically, you can scale whenever you want. Today, I can choose a lower plan but I will scale up when my user’s base grows. The cost is definitely lower while you might see little utilisation on a server.

However, this is only a reason. The major reasons are the recovery time and possibility. It is possible to restore a VPS using a snapshot and the restoration is much quicker. If the snapshot is portable, high chance you can restore it at any host using the same type of virtualization. They are flexible and feasible.

I cannot deny that in some situations, a dedicated server is the only choice. But if the situation has allowed, I will choose to stick with a VPS. Given the advantages, probably you save more per Gb in hard Disk storage. However, if space is not an issue I do not mind paying more for restoration speed.

A common mistake of choosing a dedicated server?

What is the common mistake of choosing a dedicated server? Does size matter? Or the price is a matter. Basically, we put them into 2 categories; the value and the performance.

From my past experience, customers are looking at the disk size and the RAM. Yes, the more the merrier but this most time doesn’t help in performing but larger in quantity. For me. I will go with performance than value.

A 2.6Ghz CPU A if different to 2.6Ghz CPU B. CPU B have the same speed but it is the later generation consume 30 watts while CPU A use 60 watts. It meaB performs better and consumes power lesser.

Next, we come to storage, we have hard drives, SSDs and NVMe now. Even the Hard  Drives are different. The slower one spins at 5400rpm, follow by 7200rpm, 10,000rpm and 15,000rpm. The spin speeds give you better read and write performance. SSD reads at about 500Mb per second and NVMe is 2000MB per second. Hard Drives, the most common is 7200rpm gives you 150Mb.

A common mistake of choosing a dedicated server?

So, today you got a big hard drive which means you can store more but the server can only host 2 websites as compared to those with SSD 3 time more for the same website loading speed.

For a dedicated server, the priority should be the power, the performance unless you use it for files archiving and you need the pace. A website with images probably less than 10GB if you have a 6TB server, I will guess you used it for archiving.

On the other hand, big hard drives like 4TB are common now, who sells you 1 or 2 TB drives. Most probably, they are old stock if they do. The spin speed is still important if you stick with the hard drives., otherwise SSD at least.

Power Supply in a Server

Power Supply in a Server

You might not have seen but a good server power supply supplies enough current to the parts to ensure smooth operation. The reliability will greatly reduce downtime. The power supply generates a lot of heat which is not healthy to a server. Thus, manufacturers introduce fans to reduce the heat to prolong life span.

Some use 2 fans and some use bigger fans due to its size. Hence, it is different for a 1U server and 2U server power supplies. Size is not the crucial factor to determine how fast you can bring down the temperature but CFM. CFM stands for cubic per feet, the airflow is the crucial factor to reduce the heat. Usually, the higher CFM spins faster, hence more noise is generated but not the size matter.

There are brushless and ball bearing fan. The later lasts longer, bettter MTBF compared to a brushless fan. Of course, they are many other components like capacitors are crucial too. So, if the power supply is cheaper than usual, either it is an imitation of a certain brand, pre-owned or its components’ price are lower. These are the power supplies you should avoid.

A Snapshot vs a Backup

A Snapshot vs a Backup

Many have not understood what is a snapshot? What are the differences? Which is better? Today, we are here to explain to you the differences, the pros and cons of the backups and the snapshots.

Snapshot is only available to a VM. Whether they are called VPS or something else. If the instance is virtualized, a snapshot is possible. Backup is installing an agent into the guest OS or the dedicated server, transfer the partition or files into a backup storage device.

Snapshot takes an image of the instance of its current state and dumped into a compressed file format like LZO. It is only possible to restore the entire VM. to restore files, you will have to extract files after you have restored the VM to another instance which is very time-consuming.

However, you can restore files from a backup. Even a bootable partition for some backup solutions. To restore a partition, you must have a temp portable partition on the memory to restore the restored bootable partition backup. This is a very slow process especially the restoration involved a huge partition.

Files restoration is the fastest and if you need to roll back the entire server, a snapshot restoration is much faster than restoring a bootable partition. However, if your backup retention is longer, you will need lesser space on your backup devices.

Most snapshot use NFS. It is cheaper to build an NFS storage than a proprietary backup solution. Nowadays, VM snapshot uses LVM-Thin to conserve disk space, it helps reduce disk space usage significantly. There is a drawback using LVM-Thin, the server must have a faster write and read space especially restoration, otherwise, it will affect the speed on other guest machines on the same server.

How to schedule a backup Job on Cloud Server

Each Cloud Server comes with 2 free backup instances at no cost regardless of backup size. Additional backup instances can be ordered at only $10 /monthly. This is a useful feature to customers make changes to their files often and requires a rollback in case of any mishaps.

To perform a manual backup and scheduled backups are very easy tasks with our control panel, just a few clicks away and the hassle-free backup feature will send you an email notification if whether the backup is successful or unsuccessful that requires attention and rectification.