{"id":15308,"date":"2025-04-02T22:25:45","date_gmt":"2025-04-02T22:25:45","guid":{"rendered":"https:\/\/ggservers.com\/knowledgebase\/?post_type=ht_kb&#038;p=15308"},"modified":"2025-04-02T22:25:46","modified_gmt":"2025-04-02T22:25:46","slug":"how-to-sync-player-inventories-and-progress-across-modded-forge-servers-using-a-proxy-1-20-1","status":"publish","type":"ht_kb","link":"https:\/\/ggservers.com\/knowledgebase\/article\/how-to-sync-player-inventories-and-progress-across-modded-forge-servers-using-a-proxy-1-20-1\/","title":{"rendered":"How to Sync Player Inventories and Progress Across Modded Forge Servers Using a Proxy (1.20.1+)"},"content":{"rendered":"\n<p><img decoding=\"async\" src=\"https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2024\/03\/banner10_1mgbruh.png\" alt=\"\"><\/p>\n\n\n\n<p>If you&#8217;re setting up a heavily modded Minecraft Forge server, especially for RPG or MMO-style gameplay, you&#8217;ll quickly discover that scaling to support hundreds of players often requires splitting your world across multiple sub-servers. This leads to a common problem: <strong>how to sync player inventories, progress, and mod-related data across servers while giving players a seamless experience<\/strong>.<\/p>\n\n\n\n<p>In this article, we&#8217;ll walk you through what you need to know about syncing player data across modded sub-servers using proxy systems, and the best tools or strategies to make it work.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Use a Proxy for a Modded Server?<\/h2>\n\n\n\n<p>Proxy software like <strong>Velocity<\/strong> or <strong>Waterfall<\/strong> allows you to run multiple Minecraft server instances and connect them under one IP, giving the illusion of a single large world split into regions (subservers or zones).<\/p>\n\n\n\n<p>This is essential for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scaling performance.<\/li>\n\n\n\n<li>Managing player loads.<\/li>\n\n\n\n<li>Creating RPG\/MMO-like zoned worlds.<\/li>\n<\/ul>\n\n\n\n<p>However, these proxy solutions do <strong>not<\/strong> natively support synchronizing mod-related data like inventories or quest progress. That\u2019s where the challenge starts.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What Data Needs to Be Synced?<\/h2>\n\n\n\n<p>In an RPG-like server setup, you may want to sync:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Player inventories<\/li>\n\n\n\n<li>Experience levels<\/li>\n\n\n\n<li>Ender chest contents<\/li>\n\n\n\n<li>Advancements or achievements<\/li>\n\n\n\n<li>Mod-specific data (quests, skills, custom stats)<\/li>\n<\/ul>\n\n\n\n<p>Most of this data is stored using NBT (Named Binary Tag) data within the world or player folders.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Core Tools and Mods to Consider<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>PlayerSync Mod<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.curseforge.com\/minecraft\/mc-mods\/playersync\">PlayerSync on CurseForge<\/a><\/p>\n\n\n\n<p>This mod allows you to sync player data across servers using a <strong>MySQL database<\/strong>. It supports syncing:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inventories<\/li>\n\n\n\n<li>Ender chests<\/li>\n\n\n\n<li>Advancements<\/li>\n\n\n\n<li>XP and other basic player data<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"888\" height=\"965\" src=\"https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2.png\" alt=\"\" class=\"wp-image-15309\" srcset=\"https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2.png 888w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2-276x300.png 276w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2-768x835.png 768w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2-46x50.png 46w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2-55x60.png 55w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-2-92x100.png 92w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/figure>\n\n\n\n<p>It works by writing data when a player logs out or teleports to a new server and loading it again on the next login.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Note:<\/strong> All servers need to run the same modpack and configuration to avoid compatibility issues.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>Proxy Compatible Forge<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/modrinth.com\/mod\/proxy-compatible-forge\">Proxy Compatible Forge on Modrinth<\/a><\/p>\n\n\n\n<p>This mod helps bridge the gap between Forge servers and Velocity proxies by enabling modern forwarding, UUID support, and more. It&#8217;s essential for ensuring player identity and connection stability.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"730\" src=\"https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-1024x730.png\" alt=\"\" class=\"wp-image-15310\" srcset=\"https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-1024x730.png 1024w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-300x214.png 300w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-768x547.png 768w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-50x36.png 50w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-60x43.png 60w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3-100x71.png 100w, https:\/\/ggservers.com\/knowledgebase\/wp-content\/uploads\/2025\/04\/image-3.png 1374w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This doesn\u2019t handle syncing data directly but is critical for smooth communication between your Forge server and proxy layer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>Custom Mods or Scripts (Advanced)<\/strong><\/h3>\n\n\n\n<p>If PlayerSync doesn\u2019t fully meet your needs (especially for syncing mod-specific custom data like quests or skill trees), you may need to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Develop or modify a Forge mod to export\/import NBT data.<\/li>\n\n\n\n<li>Use shared database access or Redis queues.<\/li>\n\n\n\n<li>Create custom hooks during server transfer events (e.g., via portals).<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>This route requires Java knowledge and understanding of how your target mods store data.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Example Setup: Seamless World with Sub-Zones<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Velocity as Proxy Layer<\/strong>: Handles player routing between servers.<\/li>\n\n\n\n<li><strong>Proxy-Compatible Forge on All Servers<\/strong>: Ensures proper handshake\/identity handling.<\/li>\n\n\n\n<li><strong>PlayerSync Installed Server-Wide<\/strong>: Shares player data via MySQL.<\/li>\n\n\n\n<li><strong>Unified Modpack<\/strong>: All subservers run <em>identical modpacks<\/em> and config files.<\/li>\n\n\n\n<li><strong>Teleport Portals\/Triggers<\/strong>: Move players between subservers at zone borders.<\/li>\n<\/ol>\n\n\n\n<p>Optional: Use a world map or custom plugin to simulate a large world with distinct zones (biomes, dungeons, cities, etc.).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Common Issues and Tips<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mod Incompatibility<\/strong>: Make sure all mods are compatible with proxy setups and avoid mods that store world-specific data in hardcoded paths.<\/li>\n\n\n\n<li><strong>Data Desync<\/strong>: Always test transitions between servers for data corruption or inventory resets.<\/li>\n\n\n\n<li><strong>Latency\/Sync Lag<\/strong>: Keep your MySQL database on a local network or powerful host to reduce lag.<\/li>\n\n\n\n<li><strong>Save Conflicts<\/strong>: Disable auto-saves or tweak saving behavior to avoid overlapping writes during server switches.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Hosting Notes (GGServers Customers)<\/h2>\n\n\n\n<p>GGServers&#8217; <strong>Premium Plans<\/strong> support custom server setups with full root access and proxy support. That means you can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Run multiple modded servers.<\/li>\n\n\n\n<li>Install and configure Velocity.<\/li>\n\n\n\n<li>Set up MySQL for PlayerSync.<\/li>\n\n\n\n<li>Host your own database or request managed database options.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Need help?<\/strong> Our team is happy to assist with advanced setups like these \u2014 just open a ticket with your server IP and setup plan.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p>Syncing inventories and mod progress across Forge subservers is <em>totally doable<\/em> \u2014 but it requires a thoughtful approach and the right tools. PlayerSync is currently the most straightforward solution, especially when paired with a reliable proxy like Velocity and Proxy-Compatible Forge.<\/p>\n\n\n\n<p>Whether you\u2019re building a custom MMORPG or just want seamless world transitions, GGServers is here to support your creative vision. Let us know what you\u2019re working on \u2014 we\u2019d love to help!<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Need a powerful host for your modded Minecraft network?<\/strong> \ud83d\udfe2 Check out GGServers\u2019 Premium Plans \u2014 and use code <strong>KB30<\/strong> at checkout to get <strong>30% off your first month<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;re setting up a heavily modded Minecraft Forge server, especially for RPG or MMO-style gameplay, you&#8217;ll quickly discover that scaling to support hundreds of players often requires splitting your world across multiple sub-servers. This leads to a common problem: how to sync player inventories, progress, and mod-related data across&#8230;<\/p>\n","protected":false},"author":2,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"ht-kb-category":[27,32],"ht-kb-tag":[934,932,935,944,929,939,938,941,937,946,945,933,942,943,936,940,931,930],"class_list":["post-15308","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-minecraft","ht_kb_category-mods-modpacks","ht_kb_tag-cross-server-sync-minecraft","ht_kb_tag-forge-1-20-1-proxy","ht_kb_tag-forge-server","ht_kb_tag-forge-velocity-setup","ht_kb_tag-minecraft-proxy","ht_kb_tag-modded-minecraft-network","ht_kb_tag-modded-mmo-minecraft","ht_kb_tag-modded-server-zones","ht_kb_tag-modded-subservers","ht_kb_tag-mysql-player-sync","ht_kb_tag-player-sync-mod","ht_kb_tag-playersync","ht_kb_tag-proxy-compatible-forge","ht_kb_tag-rpg-minecraft-server","ht_kb_tag-seamless-server-transition","ht_kb_tag-sync-advancements-forge","ht_kb_tag-sync-inventory-forge","ht_kb_tag-velocity-proxy"],"acf":[],"_links":{"self":[{"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb\/15308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/comments?post=15308"}],"version-history":[{"count":1,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb\/15308\/revisions"}],"predecessor-version":[{"id":15311,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb\/15308\/revisions\/15311"}],"wp:attachment":[{"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/media?parent=15308"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb-category?post=15308"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/ggservers.com\/knowledgebase\/wp-json\/wp\/v2\/ht-kb-tag?post=15308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}