High Memory Usage and Excessive Disk I/O on Windows 11 #9779

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1. seventhrex19-arch

   added

   bugSomething isn't workingSomething isn't working

   on Jan 21, 2026
2. github-actions

   assigned

   adamdotdevin

   on Jan 21, 2026
3. github-actions

   added

   perfIndicates a performance issue or need for optimizationIndicates a performance issue or need for optimization

   webRelates to opencode on web / desktopRelates to opencode on web / desktop

   windows

   on Jan 21, 2026
4. github-actions commented on Jan 21, 2026

   

   github-actionsBot

   on Jan 21, 2026 – with GitHub Actions

   Contributor

   More actions

   This issue might be a duplicate of existing issues. Please check:

   • High Memory Usage on macOS 15.7 (Apple M4, 16GB, arm64) #9239: High Memory Usage on macOS 15.7 (Apple M4, 16GB, arm64) - Similar memory consumption issue across different platforms
   • [Bug] Memory Leak: OpenCode Process Killed by 00M Killer During Extended Runtime #9743: [Bug] Memory Leak: OpenCode Process Killed by OOM Killer During Extended Runtime - Reports excessive memory usage leading to system issues
   • Memory usage grows very quickly when running commands with large output #9699: Memory usage grows very quickly when running commands with large output - Identifies memory management issues with string concatenation in command output handling
   • Too high memory usage #5700: Too high memory usage - General memory usage complaints
   • [BUG] Snapshot module ignores 'watcher.ignore' config, causing excessive disk usage and performance degradation #8887: [BUG] Snapshot module ignores 'watcher.ignore' config, causing excessive disk usage and performance degradation - Related to disk I/O issues, may contribute to the reported excessive disk usage on Windows 11

   Feel free to ignore if none of these address your specific case.
5. 1647524190 commented on Jan 21, 2026

   

   1647524190

   on Jan 21, 2026

   More actions

   Me too!

   

   😄React with 😄1Reacted by Alexey Fateev
6. Ruszero01 commented on Jan 21, 2026

   

   Ruszero01

   on Jan 21, 2026

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   +1 Memory crisis，Now I understand the reason for the memory price increase.🤣
7. zerobell-lee commented on Feb 21, 2026

   

   zerobell-lee

   on Feb 21, 2026

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   It affects so badly. Sometime it even freezes PC for a while so that I can't play any games while running opencode. (even on 9800x3d, 64GB ram, and RTX 5080)
8. thdxr commented on Apr 2, 2026

   

   thdxr

   on Apr 2, 2026

   Member

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   Closing in favor of #20695 where we're collecting all memory-related problems. Please follow that issue for updates.
9. thdxr

   closed this as completedon Apr 2, 2026