# EssentialsC MySQL Database Expansion<\/p>\n
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MySQL database expansion for EssentialsC. Syncs player data across your network.<\/p>\n
## Features<\/p>\n
– MySQL database storage for EssentialsC data
\n– Cross-server balance synchronization
\n– Async database operations
\n– Auto-import existing data
\n– Connection pooling<\/p>\n
## Requirements<\/p>\n
– EssentialsC v4.1.4+
\n– MySQL 5.7+
\n– Java 17+<\/p>\n
## Installation<\/p>\n
1. Download the expansion JAR ## Configuration<\/p>\n “`yaml # Unique identifier for this server instance mysql: “`<\/p>\n","protected":false},"excerpt":{"rendered":" MySQL Expansion for EssentialsC<\/p>\n","protected":false},"featured_media":65456,"template":"","meta":{"_minecraft_slug":"essentialsc-mysql-expansion","_minecraft_project_id":"tKBkaSxS","_minecraft_author":"_GodlyCow","_minecraft_license":"Apache-2.0","_minecraft_downloads":15,"_minecraft_follows":0,"_minecraft_client_side":"unsupported","_minecraft_server_side":"required","_minecraft_storage_type":"zip","_minecraft_archive_name":"essentialsc-mysql-expansion.zip","_minecraft_size_bytes":645311,"_minecraft_version_count":1,"_minecraft_updated_at":"2026-05-15T22:49:10.205257Z","_minecraft_date_created":"2026-04-11T22:14:27.127573Z","_minecraft_date_modified":"2026-04-07T20:37:53.900751Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/essentialsc-mysql-expansion","_minecraft_icon_attachment_id":65456,"_minecraft_imported_at":"2026-06-03T18:19:48+00:00","_minecraft_import_hash":"df0ba75e5949effce909214aa1fc8dcb","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[124,126,127,128,129,123,92],"mod_loader":[130,132,133,134],"minecraft_version":[62,37,40,41,73,74,38,78,79,80,81,82],"class_list":["post-65455","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-bukkit","mod_category-management","mod_category-paper","mod_category-purpur","mod_category-spigot","mod_category-technology","mod_category-utility","mod_loader-bukkit","mod_loader-paper","mod_loader-purpur","mod_loader-spigot","minecraft_version-1-21","minecraft_version-1-21-1","minecraft_version-1-21-10","minecraft_version-1-21-11","minecraft_version-1-21-2","minecraft_version-1-21-3","minecraft_version-1-21-4","minecraft_version-1-21-5","minecraft_version-1-21-6","minecraft_version-1-21-7","minecraft_version-1-21-8","minecraft_version-1-21-9"],"yoast_head":"\n
\n2. Place in `
\n3. Restart server
\n4. Configure `\/plugins\/EssentialsC-MySQLExpansion\/config.yml`<\/p>\n
\n# EssentialsC MySQL Database Expansion
\n# Cross-server economy synchronization<\/p>\n
\n# IMPORTANT: Each server in your network must have a different server-id
\nserver-id: “server-1”<\/p>\n
\n host: “localhost”
\n port: 3306
\n database: “essc_sync”
\n username: “root”
\n password: “”
\n # Connection pool size
\n # For aggressive 1-second sync mode, use 10-20 for best performance
\n # Minimum recommended: 10
\n pool-size: 10<\/p>\n