A powerful, comprehensive optimization plugin for Minecraft servers (Spigot\/Paper) that automatically manages chunks, entities, and performance to keep your server running smoothly.
\n## \ud83d\ude80 Features
\nCore Optimization
\n– Auto-Optimization: Automatically removes excess entities when TPS drops
\n– Smart Entity Management: Merge nearby items and XP orbs to reduce lag
\n– Chunk Management: Intelligent chunk loading\/unloading with aggressive cleanup
\n– Performance Monitoring: Real-time TPS tracking and memory management
\n– Spawn Chunk Preloading: Preload spawn chunks in spiral or square patterns
\nPaper-Specific Features
\n– Region File Optimization: Defragment and clean region files
\n– Watchdog Monitor: Automatic hang detection with emergency mode
\n– Incremental Saving: Reduce lag from world saves
\nEntity Optimization
\n– Clear items, mobs, XP orbs, and arrows
\n– Automatic item merging within configurable radius
\n– Exempt specific entity types from removal
\n– Per-chunk entity limits with spawn blocking
\nChunk Features
\n– Aggressive chunk unloading for empty chunks
\n– Configurable unload radius around players
\n– Async chunk loading support (1.13+)
\n– Chunk preloading with configurable patterns
\n– Max loaded chunks limit
\nPerformance Features
\n– Redstone optimization (limit excessive updates)
\n– Hopper optimization with tick rate adjustment
\n– Dynamic view distance adjustment (1.14+)
\n## \ud83d\udccb Requirements
\n1. Minecraft: 1.13+
\n2. Server: Spigot (recommended), Paper (recommended), or compatible forks
\n3. Java: 8 or higher
\n## \ud83d\udce6 Installation
\n1. Download the latest UltraOptimize.jar from releases
\n2. Place it in your server’s plugins folder
\n3. Start or restart your server
\n4. Configure settings in plugins\/UltraOptimize\/config.yml
\n5. Reload with \/uo reload
\n## \ud83c\udfae Commands
\nBasic Commands
\n– \/uo or \/ultraoptimize – Show help menu
\n– \/uo reload – Reload configuration
\n– \/uo stats – Show detailed server statistics
\n– \/uo info – Show plugin configuration
\n– \/uo report – Generate performance analysis report
\nOptimization Commands
\n– \/uo optimize – Run manual optimization
\n– \/uo auto – Toggle auto-optimization on\/off
\n– \/uo gc – Force garbage collection
\n– \/uo merge – Merge nearby items and XP orbs
\nEntity Commands
\n– \/uo clear items – Remove all dropped items
\n– \/uo clear mobs – Remove all hostile mobs
\n– \/uo clear xp – Remove all XP orbs
\n– \/uo clear arrows – Remove all arrows
\n– \/uo clear all – Remove all entities (except players)
\nChunk Commands
\n– \/uo chunks unload – Unload empty chunks
\n– \/uo chunks info – Show chunk statistics
\n– \/uo preload info – Show preloading status
\n– \/uo preload restart – Restart spawn chunk preloading
\nPaper-Only Commands
\n– \/uo paper stats – Paper optimization statistics
\n– \/uo paper optimize – Run Paper optimization
\n– \/uo paper watchdog status – Watchdog monitor status
\n– \/uo paper watchdog reset – Reset hang counter
\n– \/uo paper regions stats – Region file statistics
\n– \/uo paper regions optimize [world] – Optimize region files
\n– \/uo paper regions clean [world] – Remove empty region files
\n## \ud83d\udd10 Permissions
\n– ultraoptimize.* – All permissions
\n– ultraoptimize.reload – Reload configuration
\n– ultraoptimize.clear – Clear entities
\n– ultraoptimize.optimize – Run optimizations
\n– ultraoptimize.stats – View statistics
\n– ultraoptimize.chunks – Manage chunks
\n– ultraoptimize.preload – Chunk preloading commands
\n– ultraoptimize.gc – Force garbage collection
\n– ultraoptimize.auto – Toggle auto-optimization
\n– ultraoptimize.merge – Merge entities
\n– ultraoptimize.view – Manage view distance
\n– ultraoptimize.report – Generate reports
\n– ultraoptimize.info – View plugin info
\n– ultraoptimize.paper – Paper-specific commands
\n– ultraoptimize.notify – Receive optimization notifications<\/p>\n
**please refer to the wiki for more information.**<\/p>\n","protected":false},"excerpt":{"rendered":"
A paper\/spigot minecraft optimizer plugin.<\/p>\n","protected":false},"featured_media":161771,"template":"","meta":{"_minecraft_slug":"ultraoptimize","_minecraft_project_id":"QpA7yyX4","_minecraft_author":"ITZKILLER2","_minecraft_license":"MIT","_minecraft_downloads":394,"_minecraft_follows":0,"_minecraft_client_side":"unsupported","_minecraft_server_side":"required","_minecraft_storage_type":"zip","_minecraft_archive_name":"ultraoptimize.zip","_minecraft_size_bytes":118357,"_minecraft_version_count":1,"_minecraft_updated_at":"2026-05-16T10:59:47.323142Z","_minecraft_date_created":"2025-12-22T06:43:40.351838Z","_minecraft_date_modified":"2025-12-21T12:23:11.704223Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/ultraoptimize","_minecraft_icon_attachment_id":161771,"_minecraft_imported_at":"2026-06-09T15:38:18+00:00","_minecraft_import_hash":"b1e324a44aff0420b4cf2a7a978cda06","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[126,90,127,129,92,159],"mod_loader":[132,134],"minecraft_version":[438,446,449,110,111,112,113,114,115,116,117,118,119,120,46,47,48,49,50,51,52,53,54,55,56,57,58,59,36,60,93,94,101,102,62,37,40,41,73,74,38,78,79,80,81,82],"class_list":["post-161770","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-management","mod_category-optimization","mod_category-paper","mod_category-spigot","mod_category-utility","mod_category-worldgen","mod_loader-paper","mod_loader-spigot","minecraft_version-1-13","minecraft_version-1-13-1","minecraft_version-1-13-2","minecraft_version-1-14","minecraft_version-1-14-1","minecraft_version-1-14-2","minecraft_version-1-14-3","minecraft_version-1-14-4","minecraft_version-1-15","minecraft_version-1-15-1","minecraft_version-1-15-2","minecraft_version-1-16","minecraft_version-1-16-1","minecraft_version-1-16-2","minecraft_version-1-16-3","minecraft_version-1-16-4","minecraft_version-1-16-5","minecraft_version-1-17","minecraft_version-1-17-1","minecraft_version-1-18","minecraft_version-1-18-1","minecraft_version-1-18-2","minecraft_version-1-19","minecraft_version-1-19-1","minecraft_version-1-19-2","minecraft_version-1-19-3","minecraft_version-1-19-4","minecraft_version-1-20","minecraft_version-1-20-1","minecraft_version-1-20-2","minecraft_version-1-20-3","minecraft_version-1-20-4","minecraft_version-1-20-5","minecraft_version-1-20-6","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