DEV Community: Ankit Mathur

Which One Offers Better Performance For our Needs: A 4 GB RAM VPS or a 6GB RAM VPS?

Ankit Mathur — Mon, 14 Apr 2025 08:58:32 +0000

If your website or application is facing slow speed, downtime, or high traffic, you might feel to re-evaluate your VPS hosting plan. According to a study, 40% of users exit a website page when it takes more than 3 seconds to load, and businesses lose millions of dollars in revenue due to performance. Have you ever questioned whether a VPS RAM upgrade will help you a lot?

It is not always easy to decide between a 4 GB RAM VPS and a 6 GB RAM VPS, as performance and budget usually are on equal importance scale. Let’s understand how RAM size affects VPS performance, essential factors to consider, and how to optimize your VPS to work at its best.

Why RAM Size Matters in VPS Hosting?

One of the most essential components of your VPS hosting environment is Random Access Memory (RAM). It directly impacts your server’s speed, responsiveness, and multitasking capabilities.

RAM temporarily stores active processes when the website, application, or database is hosted on a Virtual Private Server (VPS). The more RAM your VPS has, the better it can manage multiple requests, heavy traffic loads, and data-intensive applications.

A 4 GB RAM VPS may be enough for small to medium sites, but a 6 GB RAM VPS might make a difference for high-traffic applications, e-commerce sites, or intensive workflows. Let’s take a look at some of the main things that affect the performance of a VPS and how they connect to RAM.

5 Key Factors Affecting VPS Performance

CPU Power and vCPUs

The CPU (Central Processing Unit) of a VPS handles task execution, application processing, and computation. This is defined by the number of vCPUs (virtual CPUs) that are used and determines how well your VPS can multitask and run simultaneous processes. A high-core CPU, along with enough RAM, will significantly boost the overclock.
• Higher vCPUs enable improved multitasking and optimized workload distribution.
• A higher clock speed ensures faster data processing and quick task execution.
• Dedicated CPU cores provide better stability for resource-intensive applications.
• A well-balanced CPU-RAM combination enhances website speed and responsiveness.

RAM Allocation

RAM determines how many applications and background processes your VPS can handle simultaneously. Low RAM leads to slow page loading, system hanging, and slow website functioning. If your website or app heavily uses databases, caches or has multi-user interaction, upgrading your RAM should be a priority.
• Low RAM results in slowdowns, a bad user experience, and site crashes.
• A 6 GB RAM VPS can handle high-traffic websites and complex applications.
• It increases the performance of CMSs like WordPress and much more.
• Better RAM mechanisms like these make the VPS more efficient and less prone to downtime.

Disk Type & Storage (SSD vs. HDD)

Storage type significantly impacts the speed of data retrieval and file processing. SSD-based VPS hosting is far superior to traditional HDDs in terms of speed and reliability. A VPS with SSD storage ensures faster website loading times and better handling of large databases.
• SSDs improve data transfer rates, reducing lag and boosting performance.
• Faster storage leads to quicker website response times and better SEO rankings.
• SSDs consume less power and enhance the overall efficiency of your VPS.
• Hosting providers like Oxtrys offer high-speed SSD VPS solutions for superior performance.

Bandwidth & Network Speed

Bandwidth indicates how much data your VPS can send and receive over a specific time frame. This can cause slow load times, buffering, and lagging performance, especially during traffic spikes. Choosing a VPS provider with high-speed USA-based data centers ensures stable and fast connectivity.
• A reduced signal of Big Data improves seamlessness whilst avoiding lag.
• Having enough bandwidth to properly stream, game, or use e-commerce websites is critical.
• A high-speed network ensures faster response times for global users.
• USA-based data centers offer lower latency for North American audiences.

Software & Server Optimization

A well-optimized VPS can perform efficiently even with lower hardware resources. Configuring your VPS for better software management, caching, and security measures helps utilize RAM and CPU more effectively. Properly managed VPS environments reduce resource wastage and boost performance.
• Lightweight Linux distributions like Ubuntu and CentOS reduce RAM consumption.
• Server-side caching mechanisms minimize data load and enhance processing speed.
• Frequent updates and security patches prevent vulnerabilities and system crashes.
• Efficient database configurations optimize MySQL and PostgreSQL performance.

Comparing 4 GB RAM VPS vs. 6 GB RAM VPS

Performance Optimization Tips

Optimize Your Server Environment
• To manage RAM properly, use a Lightweight Web server like Nginx, LiteSpeed, etc.
• Use server-side caching to limit memory space usage.
• Updating your OS and software will help you prevent slowdowns.
Manage Background Processes Efficiently
• Stop unnecessary background services to free up RAM.
• Use tools like htop or glances to monitor server resource consumption.
• Optimize your database queries to reduce memory strain.
Implement a Content Delivery Network (CDN)
• A CDN reduces server load by distributing content globally.
• It speeds up load times for users across different locations.
• It helps lower bandwidth usage, making your VPS more efficient.

Choosing the Right VPS for Your Needs

Selecting between a 4 GB RAM VPS and a 6 GB RAM VPS depends on your website’s requirements, expected traffic, and performance expectations.
• If you run a personal blog, small business website, or portfolio site, a 4 GB RAM VPS should be sufficient.
• If you manage high-traffic websites, e-commerce platforms, or resource-intensive applications, a 6 GB RAM VPS is a better choice.

At Oxtrys, we offer scalable VPS hosting solutions tailored to different business needs. Whether you're looking for an entry-level VPS or a high-performance USA VPS hosting plan, we have options to meet your performance and budget requirements.

Key Takeaways for Making the Best VPS Decision

Your website’s speed and performance can make or break your online success. Fast load times are key to keeping users happy! Now the question remains, however, how to go about choosing a VPS? A 4 GB RAM VPS does well for smaller sites, whereas a 6 GB RAM VPS is a better multitasking solution for high-traffic applications. Choosing the right one is about cost and performance. Check Oxtrys' VPS Hosting plans and select the right one to power your business.

VMware Disaster Recovery with Site Recovery Manager

Ankit Mathur — Sat, 08 Mar 2025 10:36:09 +0000

Over 90% of organizations experience unplanned downtime at some point, with an average cost of $9,000 per minute. Disaster recovery is an essential component of a data loss prevention strategy for any virtualized infrastructure. VMware users can automate various disaster recovery processes from the protected site to the recovery site with VMware Site Recovery Manager (SRM). It can be deployed both on-premises and as a disaster recovery solution in suitable cloud environments, providing high availability and business continuity.

Virtualized environments are highly resilient to hardware failures due to built-in redundancy and replication tools like vSphere Replication. However, disaster recovery planning remains a top and blooming concern for IT teams. VMware Site Recovery Manager (SRM) fights these risks by providing policy-driven automation for failover and failback, which eventually reduces downtime and data loss.

This post will help you begin your disaster recovery journey by showing you how to use VMware Site Recovery Manager to backup and recover virtual machines/VPS(Virtual Private Server)

vSphere Replication for Virtual Machines Recovery and Backup

VMware Site Recovery Manager (SRM), a specialized disaster recovery tool. It is a critical component of the vSphere virtualization suite. SRM is a VMware backup automation and disaster recovery orchestration solution that facilitates policy-based backup program management and integrates with native replication technologies.

SRM provides hypervisor-based virtual machine replication through VMware vSphere Replication, guaranteeing robust protection against partial or complete site failures. It facilitates seamless VM failover by transferring virtual machines from a primary site to a secondary site or consolidating multiple sources into a single disaster recovery location.
vSphere Replication operates asynchronously and supports

Recovery Point Objectives (RPOs) as low as five minutes, which provides minimal data loss in case of failure. It is configured per-VM, giving granular control over replication. After the initial replication, vSphere Replication performs incremental data transfers, optimizing network bandwidth usage by transmitting only the modified data blocks.

Benefits of using vSphere Replication with SRM
VMware Site Recovery transfers virtual machine data between sites using vSphere Replication. vSphere Replication supports any storage compatible with vSphere, which smartly eliminates the need for storage arrays at either location.

Key Benefits of vSphere Replication with SRM:

● Create Flexible Configurations.
● Set the Recovery Point Objective (RPO) to anywhere between five minutes and twenty-four hours based on requirements.
● Multiple Point-in-Time (MPIT) Recovery can be used to restore virtual machines to earlier known states.
● Get rid of storage lock-in.
● Use Microsoft Volume Shadow Copy Service (VSS) for application-consistent snapshots in Windows environments.
● Use the Linux file system quiescing feature to ensure consistent backups.
● Enable data compression to further reduce network bandwidth usage.

How to Backup And Recover Virtual Machines Using Vmware SRM?

Follow the given steps to back up and recover your virtual machines using VMware Site Recovery Manager:

Protection Groups

A protection group consists of virtual machines that support applications or services and work together to provide a specific function. For example, a database cluster of two servers, three application servers, and four web servers could make up an application. The main advantage of creating a protection group for every service or application is that it allows for selective testing. Protection groups also make sure that dependencies among virtual machines are maintained, reducing the risk of service disruptions during failover events.

Recovery Plans

VMware Site Recovery (SR) Recovery Plans regulate every stage of the recovery process, acting as an automated playbook. They can be integrated into multiple recovery plans and contain one or more protection groups. The recovery plan has the following customizable options:
● Priority Groups: VMware Site Recovery has five priority groups. Recovery begins with the virtual machines in priority group one, followed by those in priority group two, and so on. This structured approach assures that critical applications recover first, preventing service disruptions.
● Dependencies: Dependencies can be used when a higher level of granularity is required for startup order. A dependency states that before a virtual machine can start, another virtual machine must already be functioning. This ensures that database and application servers start before front-end web servers, preventing service failures.
● Shutdown and Startup Actions: During the execution of a recovery plan, the protected virtual machines at the protected site are subject to shutdown actions. By default, VMware Site Recovery will perform a guest operating system shutdown, which has a five-minute time limit and requires VMware Tools. It is possible to change the time limit. The virtual machine shuts down if the guest OS shutdown fails and the time limit is reached. This controlled shutdown process prevents data corruption and provides a clean failover.
● Pre and Post Power-On Steps: After turning on a recovered virtual machine, VMware Site Recovery can execute a command on it as part of a recovery plan. This is useful for running custom scripts, initializing services, or verifying application health before full recovery.
● IP Customization: IP customization is the most commonly modified virtual machine recovery property. VMware Site Recovery can automatically modify the network settings (IP address, default gateway, etc.) of the virtual network interface card(s) in a virtual machine when it fails over. This functionality applies to both failover and failback operations. Automated IP customization ensures seamless connectivity in multi-site DR environments without manual intervention.

Testing and Cleanup

After creating a recovery strategy, it is important to test it to ensure it works exactly as expected. VMware Site Recovery includes a non-disruptive testing mechanism that enables testing at any time. This isolated recovery testing feature allows organizations to validate failover plans without affecting production workloads. It is common for an organization to verify a recovery plan several times after it is created to fix any problems that may have occurred during the initial testing.

Planned Migration and Disaster Recovery

Testing a recovery plan does not affect virtual machines on the protected site. Before the recovery procedure starts at the recovery site, VMware Site Recovery will try to shut down virtual machines at the protected site while executing a recovery plan. Recovery plans are executed when a planned migration is desired or when a disaster occurs, and failover is necessary. You have to choose between disaster recovery and a planned migration when you click the Run Recovery Plan button on the VMC/SDDC console.

A planned migration is the default option, and it includes the following actions:

Try to synchronize the storage of the virtual machine.
Turn off the virtual machines that are protected. As the virtual machines complete the shutdown procedure, this effectively stops them and stores any final modifications to the disk.
To duplicate any modifications made while the virtual machines were shut down, synchronize storage again.
Replication is carried out twice to reduce downtime and data loss. Planned migrations minimize downtime and prevent data inconsistencies by providing an orderly transition between sites.

Re-Protect and Failback

After the VMs have failed over to the DR site and workloads are operating normally, you must ensure that the primary site is operational and then replicate the most recent copy of these workloads back to the production/primary site. This reverse replication process ensures that the primary site remains ready for subsequent failovers.

SRM has a feature called Re-Protect, which is used when the primary site is prepared to receive the most recent modifications to workload VMs from the DR site. Before restarting workloads on the primary site, use Re-Protect to sync the most recent data from the recovery site.

It is not possible to quickly fail a recovery plan from the recovery site back to the original protected site. The recovery strategy must first go through a Re-Protect workflow. This operation includes reversing replication and reconfiguring the recovery plan to run in the other direction. Failback is essential for ensuring business continuity and should be tested as rigorously as failover.

Bottom Line

VMware Site Recovery Manager (SRM) is a solid disaster recovery management tool that strategically automates the failover and failback process. It bestows a seamless disaster recovery solution for virtual environments by integrating with VMware vSphere. SRM functions by automating the execution of recovery plans and managing the replication of data and virtual machines across sites.

SRM ensures data security and business continuity with features like centralized management and non-disruptive testing. Businesses can simplify disaster recovery management and reduce downtime by utilizing SRM.

Cloud Computing: The Future of Business Efficiency!

Ankit Mathur — Thu, 27 Feb 2025 04:55:25 +0000

In today’s fast-paced digital world, businesses need speed, security, and scalability—and Cloud Computing delivers just that! 🌍✨

✅ Cost-Effective – Say goodbye to expensive hardware!
✅ Secure & Reliable – Advanced encryption & backups for peace of mind 🔒
✅ Scalable – Grow your business without limits 📈
✅ Access Anytime, Anywhere – Work seamlessly from any device 🌐

Whether you're a startup or an enterprise, migrating to the cloud can supercharge your productivity. Ready to embrace the future?

Is building SAAS projects on AI is a good start or a myth?

Ankit Mathur — Wed, 26 Feb 2025 03:54:25 +0000

Building SAAS software using AI scripts from Chatgpt is a new wave in the software product market. Should we invest in this is a big question, share your thoughts and experience what you think over it.

How to Install and Configure DNS Server on Windows Server 2016/2019/2022?

Ankit Mathur — Tue, 04 Feb 2025 11:54:10 +0000

Efficient internet connectivity plays a central role in enhancing website performance, which is possible with the help of proper server configuration. The Domain Name System (DNS) is currently the primary backbone of the Internet which helps with efficient connection services.
This enables users to access websites and online applications easily.

To install and configure a DNS server, you need to learn about the basics of Domain Name System- what is DNS, and what are the prerequisites for DNS server installation. In this blog, let’s look at the basics, along with the step-by-step process of DNS server installation and configuration. This helps with smooth implementation across various platforms and client settings.

What is a Domain Name System (DNS)?

Domain Name System or DNS is part of the Internet and is an efficient, distributed database. It translates user-friendly domain names into IP addresses so that different types of computers and servers can find and communicate with each other across the Internet.

Proper DNS configuration helps ensure that websites, internet-based applications, and other relevant services are accessible and load quickly for all users. When DNS is inefficient or misconfigured, it can result in extended loading times, sluggish website performance, and complete unavailability. DNS configuration directly impacts a user’s experience when navigating the web.

What is a DNS Server?

A DNS server plays a key role in the DNS resolution process. This specialized computer server queries its database before returning the required IP address to the client. It specifically happens when a user enters a domain name into their web browser. This enables an efficient connection to the domain for better system functioning.

Your browser communicates with a network of root domain name servers when you enter a domain name, such as wwW .xyz. com. These servers act as reference books and provide the IP address associated with the same domain name. Then, the browser communicates directly with the hosting server using that IP address.

DNS helps translate user requests into IP addresses. Without DNS, you may have to memorize and enter long IP addresses when connecting to other websites rather than typing the website’s name.

DNS Hierarchy and Components

The DNS system usually operates in a hierarchical structure which includes several key components. These are very important to the correct functioning of networking systems.

•Root Servers: These servers hold information regarding top-level domains (TLDs) like .com, .org, and .net. They often remain at the top of the DNS hierarchy.
•Top-Level Domain (TLD) Servers: These servers manage TLDs like .com or .edu, which are often considered generic TLDs and country-code TLDs (ccTLDs).
•Authoritative DNS Servers: These servers provide specific domain names and authoritative answers to users for the same domains.
•Recursive DNS Servers: Third-party DNS providers and internet service providers (ISPs) operate these servers. They usually help resolve domain names on behalf of users and recursively query authoritative DNS servers until they get their IP addresses.

Prerequisites for DNS Server Installation

Before installing and configuring a DNS server, you must have the following information:

•Your domain name.
•The IP address and hostname of each server that you want to provide name resolution for.
You always need to verify that the following minimum conditions are proper before configuring your computer as a DNS:
•A Windows Server 2012R2, 2016, 2019, or 2022 operating system.
•An open Remote Desktop Protocol (RDP) 3389 port.
•A domain user with the required administrative privileges to configure the DNS.
•Minimum of 4 GB of RAM and a 2-core CPU.

Steps to Install and Configure a DNS Server

The process of installing and configuring a DNS server in Windows is very simple and straightforward. It enables you to configure and manage the same server for your network. It also involves adding the DNS server role to your Windows Server machine, creating and managing DNS records, and configuring basic DNS settings.

Make sure to sign in as an administrator user to the Windows Server and follow the steps below to install the DNS server. Please note that the same steps apply to the installation and configuration of DNS on Windows Server 2016/2019/2022.

Step 1: Prepare Your Server

You must change the name that was automatically given to your server when it was deployed. It is a good practice to make the server have a fixed IP address for at least one network connection before installing DNS into it.

Step 2: Add the DNS Role

Open Server Manager from the Manage menu once you’ve prepared your server. Then, select the option ‘Add Roles and Features.’ Make sure to read the introductory information on the screen and then click on Next.

Step 3: Select the Installation Type

You must select an installation type on the next screen, which comes with two options:
•Role-based or feature-based installation
•Remote desktop services installation

Select a Role-based or feature-based installation based on your requirements, and click on “Next”.

Step 4: Select the Server for Installing the DNS Role

Scroll down to find the DNS Server role on the “Select server roles” screen and click on it. A window will appear asking whether you want to ‘Add features required for DNS Server’. Tick the checkbox saying “Include management tools” (if applicable), and click on Add features. Then, click on “Next” again.

Step 5: Add the DNS Server Role and Other Relevant Management tools

You will get to see some information about the Domain Name System (DNS) on the next screen. Please note that this will just be for informative purposes, so click on “Next.” Now, you will be asked to confirm your choices. Review the information carefully and click on Install if everything is correct.

Step 6: Check for Multiple Installation Choices

The installation process shouldn’t take you too long, so click on the “install” option as soon as you see it. You may also choose to click on the “Close” option even before the process has finished. Conversely, if you want to return to the progress screen, you may find it again under the Notifications menu.

Step 7: Analyze the Progress of the DNS Role installation

You must restart the server for the changes to take effect once the installation process has finished. You will see a new section on the left-hand side of Server Manager and a new card in the middle of the screen once you’ve restarted.
To continue configuring your DNS service, click on the Tools menu and select the DNS option. Analyze if the DNS service is visible in the Server Manager.

Step 8: Configure Your DNS Server

You can easily configure the server after having installed the DNS server role. Right-click on the name of the server on the DNS Manager window, and select Configure a DNS Server. You will now be able to see the option that says ‘Configure a DNS Server Wizard’. Then, click on “next.”
The next window presents you with three different options:
•Create a forward lookup zone
•Create forward and reverse lookup zones
•Configure root hints only

For this tutorial, let’s select the first option, which says, “Create a forward lookup zone.” Then, click on “Next” again.

Step 9: Select the Configuration Action That Must be Carried Out

The next screen will ask you to select which DNS server will maintain your primary forward lookup zone:

•This server maintains the zone
•An ISP maintains the zone

For this tutorial, let’s select the option that says “this server maintains the zone” and click on the “Next” option.

On the next screen, you will be asked by the system to give a name to your DNS zone. Try to select something descriptive related to the organization or the use of the same server. Click on “next” again after you’ve entered the name. This enables you to give an identity to the specific DNS zone.

At this point, the wizard asks whether you want to create a new zone file or use an existing file copied from another server. For this tutorial, let’s select the option that says “create a new file with this file name”, use the default name suggested, and click on “next.”

Step 10: Choose the Name to be given to the DNS Zone File

The system will ask you to choose which dynamic updates to allow on the next screen. You will specifically find three options if you have an AD DS and only two if you don’t.

For this tutorial, let’s select the option Do not allow dynamic updates.” This means that all records will only be updated manually. Click on “next” once you have made your choice.

You can add forwarders on the next screen, which are the servers to which the DNS queries are sent in case the server can’t answer. The two options to choose from are:

•Yes, it should forward queries to DNS servers with the following IP addresses.
•No, It should not forward queries.

You will need to add an IP address for the forwarder if you choose the first option. You can add the forwarders if applicable. Then, you will need the final screen. Then, click on the “finish” option to save your changes and close the wizard.

Step 11: Check the Server Configuration

The final step for you is to check that the DNS server has been configured correctly. You can begin to create your DNS records manually after your server is successfully installed and configured.

Conclusion

A DNS server is a key aspect of technology infrastructure that shouldn’t be overlooked. Understanding and implementing proper DNS configuration is the key to ensuring efficient and secure internet connectivity. This also helps ensure the optimal performance of all internet-connected applications and services.

Individuals and organizations can navigate the digital world more efficiently and securely by following best practices and optimizing DNS server settings. Efficient DNS configuration can make a lot of difference in delivering a safer, faster, and more reliable online experience.
Need more assistance with DNS server installation and configuration?