v0.26.7

src/balance/pool_core.rs

@@ -61,10 +61,24 @@ impl Pool {
                         &previous.settings.passive_health,
                     ))
                     .ok();
-            if same_origin && same_health && (old.definition.enabled || !member.definition.enabled)
-            {
-                // This pool has not been published or cloned into routes yet.
-                if let Some(member) = Arc::get_mut(member) {
+            let same_clients = member.backend.client.reusable_with(&old.backend.client)
+                && member
+                    .backend
+                    .websocket_client
+                    .reusable_with(&old.backend.websocket_client);
+            // This pool has not been published or cloned into routes yet.
+            if let Some(member) = Arc::get_mut(member) {
+                if same_clients {
+                    // Preserve the live Hyper pools and, with them, generation
+                    // age/request/rotation state across unrelated snapshot
+                    // rebuilds. Changed origins, address policy, keepalive or
+                    // connect timeout still receive newly compiled clients.
+                    member.backend = old.backend.clone();
+                }
+                if same_origin
+                    && same_health
+                    && (old.definition.enabled || !member.definition.enabled)
+                {
                     member.state = old.state.clone();
                     member.token = old.token.clone();
                 }