From 5c588ef352cf9710481b439305f54af81d1ee479 Mon Sep 17 00:00:00 2001
From: zwang28 <70626450+zwang28@users.noreply.github.com>
Date: Wed, 13 Dec 2023 13:13:22 +0800
Subject: [PATCH] chore: don't warn on object not found error (#13935)

---
 src/object_store/src/object/mod.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/object_store/src/object/mod.rs b/src/object_store/src/object/mod.rs
index da846b7136a46..8e1ec690dd194 100644
--- a/src/object_store/src/object/mod.rs
+++ b/src/object_store/src/object/mod.rs
@@ -621,7 +621,11 @@ impl<OS: ObjectStore> MonitoredObjectStore<OS> {
                 .unwrap_or_else(|_| Err(ObjectError::internal("read timeout"))),
         };
 
-        try_update_failure_metric(&self.object_store_metrics, &res, operation_type);
+        if let Err(e) = &res && e.is_object_not_found_error() && path.ends_with("manifest.json") {
+            // Metadata backup's manifest.json not found is expected.
+        } else {
+            try_update_failure_metric(&self.object_store_metrics, &res, operation_type);
+        }
 
         let data = res?;
         self.object_store_metrics