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[PR #83] fuse: don't limit max_threads to num of CPU cores #284

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opened 2026-10-26 09:48:16 +00:00 by bsakaguchi · 0 comments
bsakaguchi commented 2026-10-26 09:48:16 +00:00
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📋 Pull Request Information

Original PR: https://github.com/deepseek-ai/3FS/pull/83
Author: @huww98
Created: 3/4/2025
Status: 🔄 Open

Base: main ← Head: max_threads

📝 Commits (1)

  • 253c1da fuse: don't limit max_threads to num of CPU cores

📊 Changes

1 file changed (+1 additions, -6 deletions)

View changed files

📝 src/fuse/FuseClients.cc (+1 -6)

📄 Description

fuse threads are mostly blocked on waiting IO. They are not CPU intensive. So, there is no reason to limit them by the number of CPU cores.

We got 7x IOPS with this patch on a 2 core VM.

On AlibabaCloud ecs.g8a.large. From 3k IOPS to 21k.

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/deepseek-ai/3FS/pull/83 **Author:** [@huww98](https://github.com/huww98) **Created:** 3/4/2025 **Status:** 🔄 Open **Base:** `main` ← **Head:** `max_threads` --- ### 📝 Commits (1) - [`253c1da`](https://github.com/deepseek-ai/3FS/commit/253c1da72d2ea20250e0d1e1d6d946f9a5463b73) fuse: don't limit max_threads to num of CPU cores ### 📊 Changes **1 file changed** (+1 additions, -6 deletions) <details> <summary>View changed files</summary> 📝 `src/fuse/FuseClients.cc` (+1 -6) </details> ### 📄 Description fuse threads are mostly blocked on waiting IO. They are not CPU intensive. So, there is no reason to limit them by the number of CPU cores. We got 7x IOPS with this patch on a 2 core VM. On AlibabaCloud ecs.g8a.large. From 3k IOPS to 21k. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
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