perf: bulk-delete expired trash in 2 SQL queries instead of N+1 loop

This commit is contained in:
Dionisio
2026-02-26 00:42:41 +01:00
parent fb4eaf2cf9
commit 7e278a0b32
5 changed files with 66 additions and 74 deletions
@@ -96,15 +96,13 @@ impl TrashRepository for MockTrashRepository {
Ok(())
}
async fn get_expired_items(&self) -> Result<Vec<TrashedItem>> {
let items = self.trash_items.lock().unwrap();
async fn delete_expired_bulk(&self) -> Result<(u64, u64)> {
let mut items = self.trash_items.lock().unwrap();
let now = Utc::now();
let expired = items
.values()
.filter(|item| item.deletion_date() <= now)
.cloned()
.collect();
Ok(expired)
let before = items.len() as u64;
items.retain(|_, item| item.deletion_date() > now);
let deleted = before - items.len() as u64;
Ok((deleted, 0))
}
}
+8 -12
View File
@@ -36,10 +36,10 @@ use crate::application::services::{
use crate::common::config::AppConfig;
use crate::common::errors::DomainError;
use crate::domain::services::i18n_service::I18nService;
use crate::infrastructure::repositories::pg::SharePgRepository;
use crate::infrastructure::repositories::pg::{
FileBlobReadRepository, FileBlobWriteRepository, FolderDbRepository, TrashDbRepository,
};
use crate::infrastructure::repositories::pg::SharePgRepository;
use crate::infrastructure::services::file_content_cache::{
FileContentCache, FileContentCacheConfig,
};
@@ -306,9 +306,8 @@ impl AppServiceFactory {
self.config.storage.trash_retention_days,
));
// Initialize cleanup service
// Initialize cleanup service (bulk-deletes expired items in 2 SQL queries)
let cleanup_service = TrashCleanupService::new(
service.clone(),
trash_repo.clone(),
24, // Run cleanup every 24 hours
);
@@ -334,13 +333,11 @@ impl AppServiceFactory {
// Build a password hasher for share password verification
let password_hasher: Arc<dyn crate::application::ports::auth_ports::PasswordHasherPort> =
Arc::new(
crate::infrastructure::services::password_hasher::Argon2PasswordHasher::new(
self.config.auth.hash_memory_cost,
self.config.auth.hash_time_cost,
self.config.auth.hash_parallelism,
),
);
Arc::new(crate::infrastructure::services::password_hasher::Argon2PasswordHasher::new(
self.config.auth.hash_memory_cost,
self.config.auth.hash_time_cost,
self.config.auth.hash_parallelism,
));
let service = Arc::new(ShareService::new(
Arc::new(self.config.clone()),
@@ -472,8 +469,7 @@ impl AppServiceFactory {
recent_service = Some(recent.clone());
apps.recent_service = Some(recent);
storage_usage_service =
Some(self.create_storage_usage_service(&repos, &pool, &maintenance_pool));
storage_usage_service = Some(self.create_storage_usage_service(&repos, &pool, &maintenance_pool));
// Auth services
if self.config.features.enable_auth {
+4 -1
View File
@@ -12,5 +12,8 @@ pub trait TrashRepository: Send + Sync {
async fn restore_from_trash(&self, id: &Uuid, user_id: &Uuid) -> Result<()>;
async fn delete_permanently(&self, id: &Uuid, user_id: &Uuid) -> Result<()>;
async fn clear_trash(&self, user_id: &Uuid) -> Result<()>;
async fn get_expired_items(&self) -> Result<Vec<TrashedItem>>;
/// Bulk-delete all expired trash items (files + folders) in a single
/// transaction. Returns `(files_deleted, folders_deleted)`.
async fn delete_expired_bulk(&self) -> Result<(u64, u64)>;
}
@@ -147,27 +147,42 @@ impl TrashRepository for TrashDbRepository {
Ok(())
}
async fn get_expired_items(&self) -> Result<Vec<TrashedItem>> {
async fn delete_expired_bulk(&self) -> Result<(u64, u64)> {
let cutoff = Utc::now() - chrono::Duration::days(self.retention_days);
let rows = sqlx::query_as::<_, (Uuid, String, String, String, Option<DateTime<Utc>>)>(
r#"
SELECT id, name, item_type, user_id, trashed_at
FROM storage.trash_items
WHERE trashed_at < $1
ORDER BY trashed_at ASC
"#,
let mut tx = self.pool.begin().await.map_err(|e| {
DomainError::internal_error("TrashDb", format!("begin tx: {e}"))
})?;
// 1. Bulk-delete expired trashed files.
// The PG trigger `trg_files_decrement_blob_ref` automatically
// decrements blob ref_count for every deleted row.
let files_deleted = sqlx::query(
"DELETE FROM storage.files WHERE is_trashed = TRUE AND trashed_at < $1",
)
.bind(cutoff)
.fetch_all(self.pool.as_ref())
.execute(&mut *tx)
.await
.map_err(|e| DomainError::internal_error("TrashDb", format!("expired: {e}")))?;
.map_err(|e| DomainError::internal_error("TrashDb", format!("bulk delete files: {e}")))?
.rows_affected();
Ok(rows
.into_iter()
.map(|(id, name, item_type, uid, trashed_at)| {
self.row_to_trashed_item(id, name, item_type, uid, trashed_at)
})
.collect())
// 2. Bulk-delete expired trashed folders.
// FK ON DELETE CASCADE handles descendant folders and their files.
let folders_deleted = sqlx::query(
"DELETE FROM storage.folders WHERE is_trashed = TRUE AND trashed_at < $1",
)
.bind(cutoff)
.execute(&mut *tx)
.await
.map_err(|e| {
DomainError::internal_error("TrashDb", format!("bulk delete folders: {e}"))
})?
.rows_affected();
tx.commit().await.map_err(|e| {
DomainError::internal_error("TrashDb", format!("commit tx: {e}"))
})?;
Ok((files_deleted, folders_deleted))
}
}
@@ -3,25 +3,25 @@ use std::time::Duration;
use tokio::time;
use tracing::{debug, error, info, instrument};
use crate::application::ports::trash_ports::TrashUseCase;
use crate::common::errors::Result;
use crate::domain::repositories::trash_repository::TrashRepository;
/// Service for automatic cleanup of expired items in the trash
/// Service for automatic cleanup of expired items in the trash.
///
/// Uses `TrashRepository::delete_expired_bulk` to purge all expired items
/// in **2 SQL statements inside a single transaction**, instead of the
/// previous N+1 pattern that issued 3 queries per expired item.
pub struct TrashCleanupService {
trash_service: Arc<dyn TrashUseCase>,
trash_repository: Arc<dyn TrashRepository>,
cleanup_interval_hours: u64,
}
impl TrashCleanupService {
pub fn new(
trash_service: Arc<dyn TrashUseCase>,
trash_repository: Arc<dyn TrashRepository>,
cleanup_interval_hours: u64,
) -> Self {
Self {
trash_service,
trash_repository,
cleanup_interval_hours: cleanup_interval_hours.max(1), // Minimum 1 hour
}
@@ -31,7 +31,6 @@ impl TrashCleanupService {
#[instrument(skip(self))]
pub async fn start_cleanup_job(&self) {
let trash_repository = self.trash_repository.clone();
let trash_service = self.trash_service.clone();
let interval_hours = self.cleanup_interval_hours;
info!(
@@ -44,7 +43,7 @@ impl TrashCleanupService {
let mut interval = time::interval(interval_duration);
// First immediate execution
Self::cleanup_expired_items(trash_repository.clone(), trash_service.clone())
Self::cleanup_expired_items(trash_repository.clone())
.await
.unwrap_or_else(|e| error!("Error in initial trash cleanup: {:?}", e));
@@ -52,50 +51,31 @@ impl TrashCleanupService {
interval.tick().await;
debug!("Running scheduled trash cleanup task");
if let Err(e) =
Self::cleanup_expired_items(trash_repository.clone(), trash_service.clone())
.await
{
if let Err(e) = Self::cleanup_expired_items(trash_repository.clone()).await {
error!("Error in scheduled trash cleanup: {:?}", e);
}
}
});
}
/// Cleans up expired items in the trash
#[instrument(skip(trash_repository, trash_service))]
/// Bulk-delete all expired trash items in a single transaction.
#[instrument(skip(trash_repository))]
async fn cleanup_expired_items(
trash_repository: Arc<dyn TrashRepository>,
trash_service: Arc<dyn TrashUseCase>,
) -> Result<()> {
debug!("Starting cleanup of expired items in the trash");
debug!("Starting bulk cleanup of expired trash items");
// Get all expired items
let expired_items = trash_repository.get_expired_items().await?;
let (files, folders) = trash_repository.delete_expired_bulk().await?;
if expired_items.is_empty() {
if files == 0 && folders == 0 {
debug!("No expired items to clean up");
return Ok(());
} else {
info!(
"Trash cleanup completed: {} files + {} folders purged",
files, folders
);
}
info!("Found {} expired items to delete", expired_items.len());
// Delete each expired item
for item in expired_items {
let trash_id = item.id().to_string();
let user_id = item.user_id().to_string();
debug!("Deleting expired item: id={}, user={}", trash_id, user_id);
// If a deletion fails, continue with the rest
if let Err(e) = trash_service.delete_permanently(&trash_id, &user_id).await {
error!("Error deleting expired item {}: {:?}", trash_id, e);
} else {
debug!("Expired item deleted successfully: {}", trash_id);
}
}
info!("Trash cleanup completed");
Ok(())
}
}