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High Memory Usage and Excessive Disk I/O on Windows 11 #7038

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opened 2026-02-16 18:05:59 -05:00 by yindo · 3 comments
yindo commented 2026-02-16 18:05:59 -05:00
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Originally created by @seventhrex19-arch on GitHub (Jan 21, 2026).

Originally assigned to: @adamdotdevin on GitHub.

Description

Describe the bug The OpenCode desktop client is consuming an excessive amount of memory (RAM) and showing unusually high Disk I/O activity when running on Windows 11. This significantly impacts system performance.

Plugins

No response

OpenCode version

1.1.26

Steps to reproduce

Launch OpenCode desktop on Windows 11.
Ask Something
Open Task Manager or Resource Monitor.
Observe the bun process resource consumption over time.

Screenshot and/or share link

Image

Operating System

Windows11

Terminal

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Originally created by @seventhrex19-arch on GitHub (Jan 21, 2026). Originally assigned to: @adamdotdevin on GitHub. ### Description Describe the bug The OpenCode desktop client is consuming an excessive amount of memory (RAM) and showing unusually high Disk I/O activity when running on Windows 11. This significantly impacts system performance. ### Plugins _No response_ ### OpenCode version 1.1.26 ### Steps to reproduce Launch OpenCode desktop on Windows 11. Ask Something Open Task Manager or Resource Monitor. Observe the bun process resource consumption over time. ### Screenshot and/or share link <img width="1019" height="75" alt="Image" src="https://github.com/user-attachments/assets/9a46c6ae-61d6-4d7d-b8ee-6ac828dbe923" /> ### Operating System Windows11 ### Terminal _No response_
yindo added the windowsbugperfweb labels 2026-02-16 18:05:59 -05:00
yindo commented 2026-02-16 18:05:59 -05:00
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@github-actions[bot] commented on GitHub (Jan 21, 2026):

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

  • #9239: High Memory Usage on macOS 15.7 (Apple M4, 16GB, arm64) - Similar memory consumption issue across different platforms
  • #9743: [Bug] Memory Leak: OpenCode Process Killed by OOM Killer During Extended Runtime - Reports excessive memory usage leading to system issues
  • #9699: Memory usage grows very quickly when running commands with large output - Identifies memory management issues with string concatenation in command output handling
  • #5700: Too high memory usage - General memory usage complaints
  • #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.

@github-actions[bot] commented on GitHub (Jan 21, 2026): This issue might be a duplicate of existing issues. Please check: - #9239: High Memory Usage on macOS 15.7 (Apple M4, 16GB, arm64) - Similar memory consumption issue across different platforms - #9743: [Bug] Memory Leak: OpenCode Process Killed by OOM Killer During Extended Runtime - Reports excessive memory usage leading to system issues - #9699: Memory usage grows very quickly when running commands with large output - Identifies memory management issues with string concatenation in command output handling - #5700: Too high memory usage - General memory usage complaints - #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.
yindo commented 2026-02-16 18:05:59 -05:00
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@1647524190 commented on GitHub (Jan 21, 2026):

Me too!

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@1647524190 commented on GitHub (Jan 21, 2026): Me too! <img width="889" height="150" alt="Image" src="https://github.com/user-attachments/assets/fce89f30-a916-460b-93a8-3352e84d590c" />
yindo commented 2026-02-16 18:05:59 -05:00
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@Ruszero01 commented on GitHub (Jan 21, 2026):

+1 Memory crisis，Now I understand the reason for the memory price increase.🤣

@Ruszero01 commented on GitHub (Jan 21, 2026): +1 Memory crisis，Now I understand the reason for the memory price increase.🤣
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Reference: anomalyco/opencode#7038
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