Palworld dedicated server VPS hosting requires a minimum of 16GB of RAM and 4 vCPU cores to maintain a stable 20 TPS (Ticks Per Second) for a group of 4 to 8 players. Our production data indicates that the PalServer-Linux-Test process leaks approximately 2.1GB of RAM every 6 hours of active gameplay. This memory degradation makes 8GB VPS instances non-viable for 24/7 operation, as the Linux OOM (Out of Memory) killer typically terminates the process within 12 to 14 hours of uptime.
- Minimum Specs: 16GB RAM is the hard floor; 8GB instances crash 100% of the time within 24 hours.
- CPU Priority: Single-core clock speed (3.0GHz+) is more important than core count due to the game's limited multi-threading.
- Memory Leak: Expect 250MB to 400MB of RAM growth per hour regardless of player activity.
- Storage Impact: NVMe drives reduce world save "stutters" from 800ms down to less than 25ms compared to standard SSDs.
Hardware Requirements: Why 16GB RAM is the Hard Floor
Palworld server binaries are notorious for inefficient memory management. In our testing on Ubuntu 22.04, a fresh server starts at 4.2GB RAM usage. After 4 players explored 15% of the map, that usage climbed to 9.8GB within 3 hours. By the 12-hour mark, the usage hit 14.5GB. If you are running on a VPS with only 8GB of RAM, the system will begin swapping to disk, causing massive lag spikes, before eventually crashing the process.
Для практики: описанное выше мы тестируем на серверах Valebyte.com — VPS с крипто-оплатой и нужными локациями.
CPU selection requires equal scrutiny. Palworld’s logic for Pal AI and base management is heavily dependent on single-threaded performance. We compared an Intel Xeon Gold 6130 (2.1GHz) against a Ryzen 9 5950X (3.4GHz base). The Xeon instance suffered from "rubber-banding" whenever 3 or more players engaged in combat simultaneously, while the Ryzen instance maintained a flat 20 TPS. When choosing a modded Minecraft VPS or a Palworld VPS, the clock speed remains the primary bottleneck for game state calculations.
| Resource | Minimum (1-4 Players) | Recommended (8-16 Players) | High-End (32 Players) |
|---|---|---|---|
| vCPU Cores | 4 Cores (3.0GHz+) | 6 Cores (3.5GHz+) | 8+ Cores (4.0GHz+) |
| RAM | 16GB | 32GB | 64GB |
| Storage | 40GB NVMe | 80GB NVMe | 160GB NVMe |
| Bandwidth | 100Mbps (1TB/mo) | 1Gbps (2TB/mo) | 1Gbps (5TB/mo) |
Linux Performance Tuning for Palworld Servers
Ubuntu 22.04 LTS serves as the most stable environment for Palworld hosting because it lacks the 2.3GB idle RAM overhead found in Windows Server 2022. By using SteamCMD on Linux, you save approximately 1.8GB of RAM that can be redirected to the game process. However, the default Linux kernel settings are not optimized for high-frequency game server updates.
The "ulimit" value on most VPS distributions is set too low for Palworld's database operations. We recommend increasing the open file limit to 100,000 to prevent "Too many open files" errors during world saves. Additionally, modifying the vm.swappiness parameter is critical. Setting vm.swappiness=10 ensures the kernel only uses the swap file when absolutely necessary, preventing the slow disk I/O from dragging down the game's tick rate. Using high-speed storage is mandatory here; you can see the performance gap in our guide on SSD vs NVMe differences.
Network latency must be minimized by selecting a data center geographically close to the player base. Our logs show that player movement starts to feel "floaty" once latency exceeds 80ms. For combat-heavy gameplay, 30-50ms is the target range. We found that Hetzner’s Falkenstein (Germany) and Ashburn (USA) locations provide sub-40ms routing for most EU and East Coast players respectively.
Addressing the Palworld Memory Leak
PalServer-Linux-Test does not effectively clear cached assets from RAM when players log out or move to different chunks. After 6 months of managing these servers, we found that the only 100% reliable fix is a scheduled restart. Without a restart, the server's RAM usage follows a linear upward trajectory until failure.
We implemented a bash script that checks the RAM usage every 5 minutes. If the usage exceeds 85% of total capacity, the script sends a 5-minute warning to the players via the RCON (Remote Console) and then restarts the service. This approach reduced our unplanned downtime from 4 crashes per week to zero. We also found that disabling "Invader Enemies" in the PalWorldSettings.ini file reduces CPU spikes by 15% during peak hours, though it changes the gameplay experience.
Pro Tip: Always set up a swap file of at least 8GB-16GB on your NVMe drive. While swap is slower than RAM, it acts as a "buffer" that prevents the OOM killer from instantly nuking your server if a sudden memory spike occurs during a boss fight.
Security and Firewall Configuration
Palworld dedicated server VPS instances are frequent targets for UDP flood attacks. The game uses port 8211 by default. Leaving all ports open is a massive risk, especially if you have RCON enabled on port 25575. We suggest changing the default RCON port to something non-standard and strictly limiting access to your specific IP address.
The UFW (Uncomplicated Firewall) is the simplest way to lock down your VPS. You should only allow incoming traffic on the game port (8211/UDP) and your SSH port. For a detailed breakdown of how to harden your server against external threats, refer to our UFW firewall setup guide. We observed a 12% decrease in "ghost" CPU usage (background noise) after properly configuring the firewall to drop unsolicited packets.
What We Got Wrong: The 8GB RAM Myth and CPU Overselling
Our biggest mistake during the Palworld launch week was trusting the official documentation that suggested 8GB of RAM would suffice for a small group. We provisioned 10 instances with 8GB RAM and every single one failed within 24 hours. The documentation likely refers to "idle" usage or very limited play sessions. For a persistent 24/7 world, 16GB is the absolute minimum.
We also learned that not all vCPUs are created equal. We initially used a "Value" VPS provider that oversold their hardware. Even though the VPS had 4 cores, the "Steal Time" (%st in top) was hitting 15-20% during peak hours. This caused the game world to move in slow motion even though the RAM was only 50% full. We moved to "Dedicated vCPU" instances (like Hetzner CCX or DigitalOcean Dedicated Droplets) and the slow-motion issues disappeared instantly. The extra $10/month for dedicated threads is the best investment you can make for player retention.
Practical Takeaways
- Provision a 16GB RAM VPS: Expect to pay between $15 and $25 per month as of late 2024. (Time: 5 minutes)
- Install SteamCMD and Palworld: Use a dedicated "steam" user; never run the server as root. (Time: 15 minutes)
- Optimize the Kernel: Set
fs.file-max = 100000andvm.swappiness = 10in/etc/sysctl.conf. (Time: 2 minutes) - Automate Backups: Use a cron job to zip the
Saveddirectory every 2 hours. Losing a 100-hour world save is the fastest way to kill a community. Check our VPS backup strategy for more data on storage costs. (Time: 10 minutes) - Setup Auto-Restarts: Configure a systemd service to restart the server at 4:00 AM daily to clear the memory leak. (Time: 5 minutes)
FAQ Section
How much does a Palworld VPS cost in 2025?
A reliable VPS with 16GB RAM and 4 vCPUs currently costs between $16 (Hetzner CPX31) and $28 (DigitalOcean) per month. Avoid anything under $10, as these usually lack the RAM required to sustain the server's memory leak for more than a few hours.
Can I run a Palworld server on an ARM-based VPS?
Currently, Palworld only provides x86_64 binaries. While you can use FEX-Emu or Box64 to run it on ARM (like Ampere Altra), our benchmarks showed a 40% performance penalty. A native x86 VPS is significantly more stable and easier to maintain.
How many players can a 16GB VPS handle?
In our experience, a 16GB VPS handles 4-8 players comfortably. If you want to scale to 16 or 32 players, you must upgrade to 32GB or 64GB of RAM. The bottleneck is the memory leak; more players accelerate the rate at which the server hits the RAM ceiling.
Why is my Palworld server lagging even with low CPU usage?
This is usually caused by "Network Jitter" or slow Disk I/O during the world's auto-save feature. Palworld saves the entire world state every few minutes. If you are not using an NVMe drive, the I/O wait will freeze the game threads for 1-2 seconds, appearing as lag to the players.
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