v0.25.6

src/balance/pool_view.rs

@@ -61,6 +61,23 @@ impl Pool {
                     "traffic_bytes_per_second".into(),
                     json!(m.state.traffic_rate()),
                 );
+                let client_rotation = m.backend.client.rotation_stats();
+                item.insert(
+                    "upstream_client_generation".into(),
+                    json!(client_rotation.generation),
+                );
+                item.insert(
+                    "upstream_client_generation_requests".into(),
+                    json!(client_rotation.generation_requests),
+                );
+                item.insert(
+                    "upstream_client_generation_age_seconds".into(),
+                    json!(client_rotation.generation_age_seconds),
+                );
+                item.insert(
+                    "upstream_client_rotations_total".into(),
+                    json!(client_rotation.rotations),
+                );
                 item.insert("latency_ms".into(), json!(h.latency_us as f64 / 1000.0));
                 item.insert("ewma_latency_ms".into(), json!(h.ewma_us as f64 / 1000.0));
                 item.insert("last_probe_ms".into(), json!(h.last_probe_ms));