From 35de775ed578b50be304e053e4d81c7d42f24938 Mon Sep 17 00:00:00 2001
From: John Spray <john@neon.tech>
Date: Fri, 22 Dec 2023 11:52:09 +0000
Subject: [PATCH] pageserver: log details on shard routing error

---
 pageserver/src/page_service.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pageserver/src/page_service.rs b/pageserver/src/page_service.rs
index d5ca7f7382..2b04ff5a3d 100644
--- a/pageserver/src/page_service.rs
+++ b/pageserver/src/page_service.rs
@@ -844,6 +844,8 @@ impl PageServerHandler {
                     // informed yet.
                     //
                     // https://github.com/neondatabase/neon/issues/6038
+                    tracing::warn!("Page request routed to wrong shard: my identity {:?}, should go to shard{}, key {}",
+                        timeline.get_shard_identity(), timeline.get_shard_identity().get_shard_number(&key).0, key);
                     return Err(anyhow::anyhow!("Request routed to wrong shard"));
                 }
                 Err(e) => return Err(e.into()),