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4.37

QwenLM/Qwen3-VL4.37Jun 29, 2026by chrislusf

AI Summary

This release adds performance CI infrastructure, improves Rust volume server operations, enhances EC shard recovery, and introduces Prometheus metrics for EC rebuild operations.

Key Highlights

  • Performance CI with profiling and throughput benchmarking
  • Rust volume server optimizations for file streaming
  • EC shard recovery for isolated .ecx index files
  • Prometheus metrics for EC rebuild/reconstruct operations
  • S3 bucket policy support with NotPrincipal

New Features

  • Performance CI infrastructure
  • Rust volume server stream copy improvements
  • EC shard recovery for isolated index files
  • Prometheus metrics for EC operations
  • S3 bucket policy support with NotPrincipal

Full Release Notes

## What's Changed


### CI / Build & Performance
- Add performance CI (profiling, throughput, S3 read/write) by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10105
- Perf CI: benchmark the Rust volume server and report memory usage by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10111
- docker release: per-platform builds on native runners, drop mode=max cache by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10109

### Volume Server (Rust)
- fix (Volume [Rust]): stream copy_file and volume_incremental_copy instead of buffering the whole file in memory by @justadri in https://github.com/seaweedfs/seaweedfs/pull/10110
- fix(volume): serve reads from remote after tier upload (Rust) by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10112
- fix(volume): make tier-down crash-safe and serve from local (Rust) by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10113

### Volume Server & EC
- volume server: route VolumeMarkReadonly to raft leader by @jk2lx in https://github.com/seaweedfs/seaweedfs/pull/10120
- fix: apply collectionPattern during detection in volume.fix.replication by @qzhello in https://github.com/seaweedfs/seaweedfs/pull/10115
- ec: recover EC shards whose .ecx index lives only on a peer server by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10108
- feat(metrics): Add EC rebuild/reconstruct Prometheus metrics by @rushikesh90 in https://github.com/seaweedfs/seaweedfs/pull/10124

### Master
- fix(master): shed assign load when volume growth is already in flight by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10121

### S3
- s3: support AWS object form for bucket policy Principal, add NotPrincipal by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10125

### Filer
- fix(filer.sync.verify): sort listings client-side before merge by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10117

### Mount / FUSE
- mount: move directory cache state to a side map to shrink InodeEntry (152 to 32 bytes) by @chrislusf in https://github.com/seaweedfs/seaweedfs/pull/10114

### Admin
- fix(admin): volume TTL in dashboard by @jayl1e in https://github.com/seaweedfs/seaweedfs/pull/10107

## New Contributors
* @jayl1e made their first contribution in https://github.com/seaweedfs/seaweedfs/pull/10107
* @justadri made their first contribution in https://github.com/seaweedfs/seaweedfs/pull/10110

**Full Changelog**: https://github.com/seaweedfs/seaweedfs/compare/4.36...4.37