From e73173b0d7e3b4d397494c622ee6577deca22720 Mon Sep 17 00:00:00 2001
From: fzyzcjy <5236035+fzyzcjy@users.noreply.github.com>
Date: Sat, 6 Dec 2025 02:40:42 +0800
Subject: [PATCH] Fix removing worker will make it healthy forever in
 prometheus metrics (#14420)

---
 sgl-router/src/core/worker_registry.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sgl-router/src/core/worker_registry.rs b/sgl-router/src/core/worker_registry.rs
index 3648906e1..1bf9f2bd1 100644
--- a/sgl-router/src/core/worker_registry.rs
+++ b/sgl-router/src/core/worker_registry.rs
@@ -150,6 +150,9 @@ impl WorkerRegistry {
                 conn_workers.retain(|id| id != worker_id);
             }
 
+            // TODO we may even remove it from Prometheus exports
+            worker.set_healthy(false);
+
             Some(worker)
         } else {
             None