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codex/codex-rs/file-system
Dmitriy Kovalenko 9c84e89ce0 Skip SQLite page reclamation on Linux NFS mounts (#54417)
## Why

SQLite page reclamation on NFS creates I/O load and contention.

## What changed

Detect whether `sqlite_home` is on NFS on Linux and skip reclamation before opening a maintenance connection. Cache successful filesystem probes across `SqliteConfig` clones while allowing failed probes to retry.

## Testing

Add tests for shared probe caching and recovery after a missing directory is created. Update reclamation coverage to expect no reclaimed pages or file shrinkage on NFS.

GitOrigin-RevId: 4f627cabc6ad712171654c3f8b8659d2f632bbba
2026-10-15 21:07:40 +00:00
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