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fix(scanner): remove total timeout from heal walks

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This commit is contained in:
overtrue
2026-07-31 10:57:32 +08:00
parent f718e72e24
commit aa1a8c1b3f
1 changed files with 99 additions and 68 deletions
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crates/scanner/src/scanner_folder.rs
+99 -68
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@@ -75,7 +75,7 @@ const DATA_SCANNER_COMPACT_LEAST_OBJECT: usize = 500;
const DATA_SCANNER_COMPACT_AT_CHILDREN: usize = 10000;
const DATA_SCANNER_COMPACT_AT_FOLDERS: usize = DATA_SCANNER_COMPACT_AT_CHILDREN / 4;
const DATA_SCANNER_FORCE_COMPACT_AT_FOLDERS: usize = 250_000;
const SCANNER_LIST_PATH_RAW_TIMEOUT: Duration = Duration::from_secs(60);
const SCANNER_LIST_PATH_RAW_STALL_TIMEOUT: Duration = Duration::from_secs(60);
const SCANNER_ENTRY_PROGRESS_BATCH: u64 = 32;
const SCANNER_ENTRY_PROGRESS_INTERVAL: Duration = Duration::from_secs(30);
const DEFAULT_HEAL_OBJECT_SELECT_PROB: u32 = 1024;
@@ -100,6 +100,21 @@ static SCANNER_INLINE_HEAL_WARN_ONCE: Once = Once::new();
static SCANNER_INLINE_HEAL_METRICS_ONCE: Once = Once::new();
static SCANNER_ALERT_METRICS_ONCE: Once = Once::new();
#[cfg(test)]
type ListPathRawTimeoutSnapshot = (bool, Option<Duration>, Option<Duration>);
fn scanner_abandoned_child_list_options() -> ListPathRawOptions {
// A complete heal walk scales with bucket size and may legitimately take
// longer than a fixed wall-clock budget. Keep the total duration unbounded;
// Retain the scanner's per-read stall budget and keep cancellation controlled
// by the scanner cycle token.
ListPathRawOptions {
skip_walkdir_total_timeout: true,
walkdir_stall_timeout: Some(SCANNER_LIST_PATH_RAW_STALL_TIMEOUT),
..Default::default()
}
}
pub fn data_usage_update_dir_cycles() -> u32 {
rustfs_utils::get_env_u32(ENV_DATA_USAGE_UPDATE_DIR_CYCLES, DATA_USAGE_UPDATE_DIR_CYCLES)
}
@@ -1281,6 +1296,8 @@ pub struct FolderScanner {
skip_heal: Arc<std::sync::atomic::AtomicBool>,
local_disk: Arc<Disk>,
pending_heals_changed: bool,
#[cfg(test)]
list_path_raw_options_observer: Option<mpsc::UnboundedSender<ListPathRawTimeoutSnapshot>>,
}
impl FolderScanner {
@@ -2410,75 +2427,79 @@ impl FolderScanner {
let bucket_clone = bucket.clone();
let prefix_clone = prefix.clone();
let child_ctx_clone = child_ctx.clone();
#[cfg(test)]
let list_path_raw_options_observer = self.list_path_raw_options_observer.clone();
tokio::spawn(async move {
if let Err(e) = list_path_raw(
child_ctx_clone.clone(),
ListPathRawOptions {
disks,
bucket: bucket_clone.clone(),
path: prefix_clone.clone(),
recursive: true,
report_not_found: true,
min_disks: disks_quorum,
walkdir_timeout: Some(SCANNER_LIST_PATH_RAW_TIMEOUT),
walkdir_stall_timeout: Some(SCANNER_LIST_PATH_RAW_TIMEOUT),
agreed: Some(Box::new(move |entry: MetaCacheEntry| {
let entry_name = entry.name.clone();
let agreed_tx = agreed_tx.clone();
Box::pin(async move {
if let Err(e) = agreed_tx.send(entry_name).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
entry = %entry.name,
state = "list_path_agreed_send_failed",
error = %e,
"Scanner list_path_raw agreed callback failed"
);
}
})
})),
partial: Some(Box::new(move |entries: MetaCacheEntries, _: &[Option<DiskError>]| {
let partial_tx = partial_tx.clone();
Box::pin(async move {
if let Err(e) = partial_tx.send(entries).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
state = "list_path_partial_send_failed",
error = %e,
"Scanner list_path_raw partial callback failed"
);
}
})
})),
finished: Some(Box::new(move |errs: &[Option<DiskError>]| {
let finished_tx = finished_tx.clone();
let errs_clone = errs.to_vec();
Box::pin(async move {
if let Err(e) = finished_tx.send(errs_clone).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
state = "list_path_finished_send_failed",
error = %e,
"Scanner list_path_raw finished callback failed"
);
}
})
})),
..Default::default()
},
)
.await
{
let options = ListPathRawOptions {
disks,
bucket: bucket_clone.clone(),
path: prefix_clone.clone(),
recursive: true,
report_not_found: true,
min_disks: disks_quorum,
agreed: Some(Box::new(move |entry: MetaCacheEntry| {
let entry_name = entry.name.clone();
let agreed_tx = agreed_tx.clone();
Box::pin(async move {
if let Err(e) = agreed_tx.send(entry_name).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
entry = %entry.name,
state = "list_path_agreed_send_failed",
error = %e,
"Scanner list_path_raw agreed callback failed"
);
}
})
})),
partial: Some(Box::new(move |entries: MetaCacheEntries, _: &[Option<DiskError>]| {
let partial_tx = partial_tx.clone();
Box::pin(async move {
if let Err(e) = partial_tx.send(entries).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
state = "list_path_partial_send_failed",
error = %e,
"Scanner list_path_raw partial callback failed"
);
}
})
})),
finished: Some(Box::new(move |errs: &[Option<DiskError>]| {
let finished_tx = finished_tx.clone();
let errs_clone = errs.to_vec();
Box::pin(async move {
if let Err(e) = finished_tx.send(errs_clone).await {
error!(
target: "rustfs::scanner::folder",
event = EVENT_SCANNER_FOLDER_STATE,
component = LOG_COMPONENT_SCANNER,
subsystem = LOG_SUBSYSTEM_FOLDER,
state = "list_path_finished_send_failed",
error = %e,
"Scanner list_path_raw finished callback failed"
);
}
})
})),
..scanner_abandoned_child_list_options()
};
#[cfg(test)]
if let Some(observer) = list_path_raw_options_observer {
let _ = observer.send((
options.skip_walkdir_total_timeout,
options.walkdir_timeout,
options.walkdir_stall_timeout,
));
}
if let Err(e) = list_path_raw(child_ctx_clone.clone(), options).await {
if is_missing_path_disk_error(&e) {
debug!(
target: "rustfs::scanner::folder",
@@ -2820,6 +2841,8 @@ pub async fn scan_data_folder(
skip_heal,
local_disk,
pending_heals_changed: false,
#[cfg(test)]
list_path_raw_options_observer: None,
};
// Check if context is cancelled
@@ -3026,6 +3049,7 @@ mod tests {
skip_heal: Arc::new(AtomicBool::new(false)),
local_disk: disk,
pending_heals_changed: false,
list_path_raw_options_observer: None,
};
(scanner, temp_dir)
@@ -4210,6 +4234,8 @@ mod tests {
scanner.heal_object_select = 1;
scanner.disks = disks;
scanner.disks_quorum = 2;
let (options_tx, mut options_rx) = mpsc::unbounded_channel();
scanner.list_path_raw_options_observer = Some(options_tx);
scanner.old_cache.replace(
&format!("{bucket}/{object}"),
bucket,
@@ -4231,6 +4257,11 @@ mod tests {
.expect("scan_folder should not hang after list_path_raw finishes")
.expect("scan_folder should finish successfully");
let observed_options = tokio::time::timeout(Duration::from_secs(1), options_rx.recv())
.await
.expect("abandoned-child listing options should be observed promptly")
.expect("abandoned-child listing options channel should remain open");
assert_eq!(observed_options, (true, None, Some(SCANNER_LIST_PATH_RAW_STALL_TIMEOUT)));
let root = scanner
.new_cache
.checked_flatten(bucket)