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fix(scanner): fit usage persistence within publication lease (#6967)

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Lower the default scanner cache save timeout so the derived usage persistence budget stays inside the effective distributed publication lease window.

Add focused regressions for the default publication budget and bootstrap-pending observational baselines, and update operator docs with the new default.

Co-authored-by: heihutu <heihutu@gmail.com>
This commit is contained in:
houseme
2026-08-31 22:58:29 +08:00
committed by GitHub
parent 7541bb2c5d
commit 281e40f1cc
7 changed files with 64 additions and 5 deletions
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crates/config/src/constants/scanner.rs
+2 -2
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@@ -198,11 +198,11 @@ pub const ENV_SCANNER_IDLE_MODE: &str = "RUSTFS_SCANNER_IDLE_MODE";
/// Environment variable that controls scanner cache save timeout in seconds.
/// The scanner enforces a minimum value of `1`.
/// - Unit: seconds (u64).
/// - Example: `export RUSTFS_SCANNER_CACHE_SAVE_TIMEOUT_SECS=30`
/// - Example: `export RUSTFS_SCANNER_CACHE_SAVE_TIMEOUT_SECS=14`
pub const ENV_SCANNER_CACHE_SAVE_TIMEOUT_SECS: &str = "RUSTFS_SCANNER_CACHE_SAVE_TIMEOUT_SECS";
/// Default scanner cache save timeout in seconds.
pub const DEFAULT_SCANNER_CACHE_SAVE_TIMEOUT_SECS: u64 = 30;
pub const DEFAULT_SCANNER_CACHE_SAVE_TIMEOUT_SECS: u64 = 14;
/// Environment variable that caps concurrent scanner set tasks.
/// A value of `0` keeps the existing topology-based concurrency.