perf(cache): run tag post invalidations concurrently

Cargo.lock

@@ -5397,6 +5397,7 @@ dependencies = [
  "deadpool-postgres",
  "dioxus",
  "dotenvy",
+ "futures",
  "governor",
  "hex",
  "http",

Cargo.toml

@@ -36,6 +36,7 @@ zenwebp = { version = "0.3", optional = true }
 moka = { version = "0.12", features = ["future"], optional = true }
 governor = { version = "0.8", optional = true }
 md-5 = { version = "0.10", optional = true }
+futures = { version = "0.3", optional = true }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 web-sys = { version = "0.3", features = ["Document", "Window", "Storage", "Element", "HtmlElement", "DomTokenList", "MediaQueryList", "HtmlImageElement", "MouseEvent", "KeyboardEvent", "Node", "EventTarget", "Navigator"] }
@@ -82,4 +83,5 @@ server = [
     "dep:moka",
     "dep:governor",
     "dep:md-5",
+    "dep:futures",
 ]

src/cache.rs

@@ -291,9 +291,11 @@ pub fn invalidate_post_stats() {
 /// 按标签批量失效文章列表缓存。
 #[cfg(feature = "server")]
 pub async fn invalidate_tag_posts_for(tags: &[String]) {
-    for tag in tags {
-        invalidate_posts_by_tag(tag).await;
-    }
+    let futures: Vec<_> = tags
+        .iter()
+        .map(|tag| invalidate_posts_by_tag(tag))
+        .collect();
+    let _ = futures::future::join_all(futures).await;
 }
 
 /// 清空所有文章相关缓存（列表、标签、单篇、统计、标签文章）。