feat: port

Author: eastspire

frameworks/Rust/hyperlane/src/db.rs

@@ -115,7 +115,7 @@ pub async fn connection_db() -> DbPoolConnection {
             DATABASE_NAME
         ),
     };
-    let pool_size: u32 = (get_thread_count() << 2).min(100) as u32;
+    let pool_size: u32 = (get_thread_count() >> 2).max(1).min(100) as u32;
     let pool: DbPoolConnection = PgPoolOptions::new()
         .min_connections(pool_size)
         .max_lifetime(None)