From acda65d7d4c4cdcf270efb3ff4b93e6983b9efff Mon Sep 17 00:00:00 2001
From: John Spray <john@neon.tech>
Date: Thu, 26 Oct 2023 09:53:18 +0100
Subject: [PATCH] pageserver: quieten "Failed to get info about AUX files"
 (#5669)

## Problem

This line caused lots of errors to be emitted for healthy tenants.

## Summary of changes

Downgrade to debug, since it is an expected code path we'll take for
tenants at startup.
---
 pageserver/src/pgdatadir_mapping.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pageserver/src/pgdatadir_mapping.rs b/pageserver/src/pgdatadir_mapping.rs
index 52c44746dc..b611583b60 100644
--- a/pageserver/src/pgdatadir_mapping.rs
+++ b/pageserver/src/pgdatadir_mapping.rs
@@ -1202,7 +1202,8 @@ impl<'a> DatadirModification<'a> {
         let mut dir = match self.get(AUX_FILES_KEY, ctx).await {
             Ok(buf) => AuxFilesDirectory::des(&buf)?,
             Err(e) => {
-                warn!("Failed to get info about AUX files: {}", e);
+                // This is expected: historical databases do not have the key.
+                debug!("Failed to get info about AUX files: {}", e);
                 AuxFilesDirectory {
                     files: HashMap::new(),
                 }