From b72c249b9676f8ebaf38bd6ee2b3b3bbc4227b7a Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Sat, 19 Sep 2020 23:54:19 -0700
Subject: [PATCH] network: add a metric+warning when shedding load

---
 zebra-network/src/peer/connection.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zebra-network/src/peer/connection.rs b/zebra-network/src/peer/connection.rs
index 2569aa2d..dc6bd38c 100644
--- a/zebra-network/src/peer/connection.rs
+++ b/zebra-network/src/peer/connection.rs
@@ -664,6 +664,8 @@ where
         let rsp = match self.svc.call(req).await {
             Err(e) => {
                 if e.is::<Overloaded>() {
+                    tracing::warn!("inbound service is overloaded, closing connection");
+                    metrics::counter!("pool.closed.loadshed", 1);
                     self.fail_with(PeerError::Overloaded);
                 } else {
                     // We could send a reject to the remote peer.