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fix(scanner): make distributed usage convergence authoritative (#5151)

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* fix(scanner): make distributed usage cycles authoritative

* fix(scanner): close distributed refresh races

* fix(config): align scanner reload integration

* fix(admin): scope config test helpers

* fix(scanner): harden distributed usage convergence

* fix(scanner): preserve rolling activity compatibility

* fix(admin): expose non-secret optional config values

* fix(scanner): acknowledge distributed dirty usage

* fix(ecstore): make bucket mutations cancellation safe

* fix(scanner): preserve pending dirty acknowledgements

* test(obs): account for superseded scanner metric

* fix(api): reject excess detached bucket mutations

* test: close scanner convergence coverage gaps

* fix(scanner): make path tracking cleanup one-shot

---------

Co-authored-by: Henry Guo <marshawcoco@users.noreply.github.com>
Co-authored-by: houseme <housemecn@gmail.com>
This commit is contained in:
Henry Guo
2026-07-25 18:45:16 +08:00
committed by GitHub
parent 0364523dad
commit a63b79004c
69 changed files with 18073 additions and 1585 deletions
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docs/operations/scanner-runtime-controls.md
+2 -2
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@@ -58,8 +58,8 @@ The `/v3/scanner/status` response reports each effective runtime value with a
| `heal.bitrot_cycle` | `RUSTFS_SCANNER_BITROT_CYCLE_SECS` | seconds | `2592000` | Controls periodic deep bitrot scans. `false`, `off`, `no`, or `disabled` disables periodic deep scans; `0`, `true`, `on`, or `yes` runs deep mode every scanner cycle. |
| `scanner.idle_mode` | `RUSTFS_SCANNER_IDLE_MODE` | boolean | `true` | Enables scanner sleeps and cooperative throttling. |
| `scanner.cache_save_timeout` | `RUSTFS_SCANNER_CACHE_SAVE_TIMEOUT_SECS` | seconds | `30` | Timeout for saving scanner cache; runtime enforces a minimum of `1`. |
| `scanner.max_concurrent_set_scans` | `RUSTFS_SCANNER_MAX_CONCURRENT_SET_SCANS` | count | `0` | Caps concurrent set-level scanner tasks. `0` keeps topology-derived concurrency. |
| `scanner.max_concurrent_disk_scans` | `RUSTFS_SCANNER_MAX_CONCURRENT_DISK_SCANS` | count | `0` | Caps concurrent disk bucket walks per set. `0` keeps disk-count-derived concurrency. |
| `scanner.max_concurrent_set_scans` | `RUSTFS_SCANNER_MAX_CONCURRENT_SET_SCANS` | count | `4` | Caps concurrent set-level scanner tasks. `0` keeps topology-derived concurrency. |
| `scanner.max_concurrent_disk_scans` | `RUSTFS_SCANNER_MAX_CONCURRENT_DISK_SCANS` | count | `4` | Caps concurrent disk bucket walks per set. `0` keeps disk-count-derived concurrency. |
| `scanner.yield_every_n_objects` | `RUSTFS_SCANNER_YIELD_EVERY_N_OBJECTS` | objects | `128` | Controls how often object loops yield to the async runtime. `0` disables this extra yield. |
| `scanner.alert_excess_versions` | `RUSTFS_SCANNER_ALERT_EXCESS_VERSIONS` | versions | `100` | Version count threshold for scanner alerts. |
| `scanner.alert_excess_version_size` | `RUSTFS_SCANNER_ALERT_EXCESS_VERSION_SIZE` | bytes | `1099511627776` | Retained version byte threshold for scanner alerts. |