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Files

T

houseme 769e66511f refactor(scanner): split scanner_io.rs into child modules (#6294 )

Split the 5369-line scanner_io.rs (39% inline tests) into a canonical
scanner_io.rs + scanner_io/ module tree with zero behavior change:

- scanner_io.rs (~660): constants, metadata-error constructors, the
  bucket scan plan, cycle-status classification helpers, the ScannerIO /
  ScannerIOCache / ScannerIODisk traits, and ScannerCycleResult
- scanner_io/dirty_usage.rs (~300): process-wide dirty-usage statics
  and the acknowledgment protocol
- scanner_io/guards.rs (~270): concurrency gauges and RAII guards
- scanner_io/cache.rs (~410): scanner cache locks and the snapshot
  persist/publish path
- scanner_io/io_cycle.rs (~390), io_cache.rs (~1160), io_disk.rs
  (~230): the ECStore / SetDisks / Disk trait implementations
- scanner_io/publish_gate_tests.rs (~750) and tests.rs (~1340): the two
  inline test modules as child modules

All crate paths are unchanged: the lib.rs scanner_io re-exports and
every crate::scanner_io:: consumer (scanner.rs, remote_scanner,
scanner_folder, and cross-crate rustfs users) resolve through root
re-exports with their original visibilities (pub stays pub, pub(crate)
stays pub(crate)). Cross-module items gain pub(super), whose scope
equals the old single-module privacy domain. Code is moved verbatim
apart from those markers, per-module import headers, and rustfmt
re-wraps.

The logging-guardrail nsscanner_disk skip-set_disks rule now points at
scanner_io/io_disk.rs where the function moved; the pattern and
thresholds are unchanged.

Co-authored-by: heihutu <heihutu@gmail.com>

2026-08-20 12:18:45 +08:00

src

refactor(scanner): split scanner_io.rs into child modules (#6294 )

2026-08-20 12:18:45 +08:00

tests

chore: adjudicate 26 bare dead_code allows across five crates (#6187 )

2026-08-18 12:45:42 +08:00

Cargo.toml

feat(scanner): emit excess alerts as S3 notification events (HS-04) (#6176 )

2026-08-18 08:46:32 +08:00

README.md

docs(scanner): add benchmark runbook (#3412 )

2026-06-13 22:39:13 +08:00

README.zh-CN.md

docs(scanner): add benchmark runbook (#3412 )

2026-06-13 22:39:13 +08:00

README.md

RustFS Scanner

RustFS Scanner is the background maintenance scan loop. It handles usage accounting, lifecycle expiry and transition admission, bucket replication repair admission, scanner-driven heal/bitrot checks, and namespace alerts.

For operator-facing runtime controls, status fields, and tuning workflows, see Scanner Runtime Controls. For repeatable scanner-pressure validation, see Scanner Benchmark Runbook.

Chinese documentation is available in README.zh-CN.md.

Development

Build

cargo build --package rustfs-scanner

Test

cargo test --package rustfs-scanner

License

Apache License 2.0