Notes

Minecraft Server Optimization

Server owners have a number of concerns, including lag. Lag can be caused by a variety factors, including the resources your server uses or the hardware it runs on. Apex hosts are hardware-free. There are many things you can do to reduce lag.



There are plugins that can reduce lag. You can upgrade your server RAM, switch to a more optimized Minecraft jar, optimize your files, etc.



All of these options may leave you wondering what causes lag and how to get rid of it. There are three types of lag: latency, TPS, and FPS. In this guide, we will give a breakdown of the different types of lag and the best way to mitigate it on your Minecraft Server.



Types of Lag



Server Lag (TPS)



TPS (Ticks Per Se) is the measure of server performance. TPS is the server's heartbeat. Your server beats at 20 ticks per minute, or one tick every 0.05 seconds.



Each tick advances various aspects of your server a little. Mobs move grass grows, animals hatch, and almost everything else on the server is dependent on ticks. When at peak performance, 20 TPS, you'll experience normal gameplay without any server-side lag. However, if your server's TPS begins to drop, you will begin to experience lag while playing.



The server's performance and the hardware it runs on play a significant role in determining its TPS. A server that is not managed properly can have the same effect as poor hardware.



When you are adding plugins or mods to your site, it is important to consider the long-term impact of your choices. Many new server owners mistakenly think that the server's popularity is all that matters. The number of players on the server can have an effect, but this is relatively small compared to the impact of redstone machines, mob farms, and mods/plugins. TPS drops are primarily caused by what is happening in your world at any given time.



Client Lag (FPS)



Having low FPS will generally come with your game behaving slowly. If your frame rate is low enough, playing the game may feel like watching a slideshow. Low frame rates on your server do not necessarily indicate that the server has stopped responding to your requests. It could simply mean that your computer is not able to keep up with the game. If your PC is experiencing a low framerate, you may need to adjust your game settings or update your drivers.



It is important to understand the difference between server lag or low FPS. Sometimes low FPS and high server lag can co-occur. While it may seem like the server is laging, it is often due to the device the game is being played on.



There are many ways to increase FPS without having your hardware upgraded. In Minecraft, you can go to the video settings and reduce all of the functions. To make sure your computer doesn't try to render clouds, you can go to the video settings. It is also a good idea not to run any other processes in the background. This allows your computer to use more resources for the game. This can be done quickly by closing any open Taskbar items.



Another option is to switch to the high-performance plan in your device's power options. Windows PC users can switch to the high-performance plan by pressing Windows Key + X. This will open a new context menu. Select "Power Options" to access your settings. Change the Power mode to "Best Performance".



Connection Lag (Ping)



Connection lag correlates with your ping. Ping is the latency in the network between your game and your server. This reflects how long in milliseconds data takes to process and travel. It is possible for your connection to the server not to work if you have high ping. Having high ping is not something that's due to lag, but it causes lag. It can also cause a crash in the game.



Having a low ping is best as lower latency provides smoother gameplay. The ping of a server that is further from you than your physical location will usually increase. The best way to minimize this is to move your server to the location closest to you and your players. Some factors that might affect ping include Internet connection speed, the quality of a user's Internet service provider, issues with the Minecraft servers network, and the configuration of firewalls.



Latency can change depending upon network conditions and the status on the server to which it is connected. You can check the latency of a server by "pinging it". This tells you how long it takes the server to reply to a message. There are several methods to test your ping. We recommend using the command prompt. Open a terminal, or a command prompt (Windows+X also supports this), and then type "ping serverIP". For example: "ping play.apexmc.co". While the process may take some time, you will see the average Ping once it is complete.



How to create a timings reports



A timings reports allows you to track how long it takes your server for an event to be processed. This allows you see where there may be lag issues, which can cause the server's TPS drops. To run a timer report, connect to your server and use the command /timings off. After 30 minutes, run /timings past. This will give you a link. You can click on it to open the report from your browser.



A timings report



The top section in the timings report will include a graph that displays your server's average time per second over time. This graph is shown in five-minute intervals. To the left of the graph is a brief summary of the server, including the average TPS. These are great for getting a quick overview of your server's performance, but they won’t tell you why your server is slowing down. You will need to examine the data section below the graph to determine the root cause of the lag.



The lower section of a timings reports is a detailed breakdown of all ticks that occurred during the reporting period. It is also known as a 'treeview'. Each tree begins with a general overview of the type tick occurring. The top tree of the list will often provide a summary for the entire server's average ticks. Click on these trees to expand and view more information about each layer. Once you reach the end, you'll be able to see which block or entity is ticking. Also, how long it is taking.
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A timings report by default will sort information so processes that take the longest time to tick appear first. These items are often responsible for any lag that you might be experiencing on the server. The fastest way to find the source of your lag is to go through the top trees. Once you have identified the cause, you can either go back to your server to remove it or modify your settings to reduce its impact.



Reading a timings report can be a little intimidating at first. If you get stuck or if you are not sure you are reading it right, you have some really good resources to help clear up any confusion. Contact our support team for the best solution. All of our tech support agents have knowledge about timing reports and can analyze them for your benefit. They can also walk you through the process of reading a report if you are stuck.



How to fix a laggy Minecraft server



Server lag is preventable by learning how to optimize your servers. There are many tools that you can use to optimize your server and push it beyond its normal performance limits.



Removing Tick/Lag machines



Redstone can be used to build almost any type of machine. But too many machines can lead to problems. It'll decrease your TPS, and cause lag for all players. Limiting the machines and installing anti redstone-lag plugins like this one is the solution. Otherwise, try not to have too many automated farms, mob grinders, or anything else that would involve complex redstone mechanics. If possible, you should include a way for your machines and farms to be turned off so they aren't running constantly and consuming your server resources.



Pre-generating your world



Pregenerating the universe is an essential step in lag reduction. This should be done before you do anything else. This can be done using the Chunky plugin. You can install the plugin by running the following commands: http://chunky-radius.5000 followed closely by http://chunky start.



This will pre-generate a 5,000 block radius around your world spawn. The server will slow down while this process is running but it will soon be completed. Your performance will improve greatly once the process is complete. You can increase or decrease the radius to your liking, but we recommend limiting it to 20,000 blocks. Any larger and you could possibly create more lag than you would be preventing.



One option that is beneficial to reduce on any type of Minecraft server is the view distance from the server.properties file. Any number between 6-8 will optimize the server and not affect gameplay. To improve overall performance, it's recommended to change both the "Net Compression Threshold", which is 64, and "Max Tick Time", to -1.



We recommend switching to Paper if you are currently running Vanilla or Spigot. Paper offers excellent performance thanks to its optimization and anticheat features.



Optimizing your config files



Some of the main files that you will want to modify to really optimize your server are Bukkit.

yml and Paper.yml. Below we have included which settings you will want to change to get the best performance possible with minimal effect on your gameplay.

These settings can be used by stopping your server from your control panel and clicking on the tabs below. This will display the optimized settings for each individual file. These files can be found in the FTP File Access tab of your control panel. You can open them in the online web editor by clicking on the "edit" button to the far right of the file. After editing is complete, click on the green button to save the file. The server will then be restarted to allow the changes to take place.



Bukkit.yml



Spigot.yml



Paper.yml



Changing the base server files is not the only way to reduce or get rid of lag. There are many plugins out there that aim to reduce lag. After installing a few plugins, you will notice a significant reduction in lag on your server. Here is a list with the top plugins that we recommend to our users.



ClearLagg (1.8+), Limit Pillagers (1.14.2+), Village Optimiser(1.14.2+), MergedMobs, Premium 1.7+), Entity Tracker Fixeder (1.14+), Farm Limiter, (Premium 1.7+), Mob Manager (Premium 1.7+), Mob Limiter, (Premium 1.7+), Mob Farm Manager, (Premium 1.7+), Spark (1.8+), StackMob (1.16+), Armor Stand–Limiter (1.8+



These plugins are not guaranteed to completely stop the lag on your server, but they can go a long way to help. If you do not know how to install plugins on your Minecraft server, We have an easy guide for you to follow.



Owning a server is an important aspect. When players join a server, it is not expected that they will experience lag. While you can't always prevent the client-side lag, there are things you can do.



If you are running a Vanilla Minecraft server, you may think that it won't experience lag. It is the base game. The base game is slow and doesn't offer many optimization options. Newer updates like 1.17+ have made it more resource-hungry. Switching to Paper or one of its forks like Purpur or Airplane will drastically improve your performance. Following this guide after switching to Paper will further improve performance, keep your players happy, and keep your server lag-free.


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