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samba/CHANGELOG.md
Struchkov Mark 8a776ad0b6 perf: add performance optimizations for SMB
- dead time = 30: disconnect idle clients to free resources
- large readwrite = yes: improved large file transfer performance
- max xmit = 65535: maximum packet size for better throughput
- write cache size = 1048576: 1MB write cache for write performance

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-07 22:18:30 +03:00

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [Unreleased]
### Added
- **Performance optimizations** (Dockerfile)
- `dead time = 30` — disconnect idle clients after 30 seconds to free resources
- `large readwrite = yes` — improved performance for large file transfers
- `max xmit = 65535` — maximum packet size for better throughput
- `write cache size = 1048576` — 1MB write cache for improved write performance
### Fixed
- **Fixed chown syntax error in perms function** (samba.sh:122)
- Changed `smbuser.` to `smbuser:smb` for correct group assignment
- **Fixed paths with spaces handling in perms function** (samba.sh:121)
- Replaced `for` loop with `while IFS= read -r` to correctly handle paths containing spaces
- **Fixed unquoted variables in import function** (samba.sh:112-113)
- Added quotes around `$file` variable to prevent word splitting issues
- **Removed /etc from VOLUME declaration** (Dockerfile:83)
- `/etc` is too broad and can cause unexpected behavior with system configurations
- **Share-specific parameters not overriding global settings** ([#issue](https://github.com/upagge/samba/issues))
**Problem**: When creating public shares with guest write access, the `-G` parameters for individual shares did not override the global `force user` and `force group` settings from the base `smb.conf`.
Example that didn't work:
```bash
-s "public;/cloud/share;yes;no;yes"
-G "public;force user = nobody"
-G "public;force group = nogroup"
```
`testparm -s` showed that the share used global `force user = smbuser` and `force group = smb` instead of the specified values.
**Root cause**:
1. When using environment variables, `GENERIC` was processed **before** `SHARE`, so share sections didn't exist when `-G` options tried to modify them.
2. The regex `\s` in sed was not POSIX-compatible for Alpine/busybox.
**Solution**:
- Reordered environment variable processing: `SHARE` is now processed before `GENERIC`
- Replaced `\s` with POSIX-compatible `[[:space:]]` in regex patterns
- Added `^` anchor to sed append command for precise matching
### Changed
- Environment variable processing order: `GLOBAL` -> `SHARE` -> `GENERIC` (was: `GENERIC` -> `GLOBAL` -> `SHARE`)