From ed98f6d57e9b1baab39f4ab25372193294d60bf7 Mon Sep 17 00:00:00 2001
From: "Alex Chi Z." <4198311+skyzh@users.noreply.github.com>
Date: Tue, 18 Feb 2025 11:06:39 -0500
Subject: [PATCH] feat(pageserver): log lease request (#10832)

## Problem

To investigate https://github.com/neondatabase/cloud/issues/23650

## Summary of changes

We log lease requests to see why there are clients accessing things
below gc_cutoff.

Signed-off-by: Alex Chi Z <chi@neon.tech>
---
 pageserver/src/page_service.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pageserver/src/page_service.rs b/pageserver/src/page_service.rs
index 53a6a7124d..0c8da6f2a8 100644
--- a/pageserver/src/page_service.rs
+++ b/pageserver/src/page_service.rs
@@ -1799,6 +1799,13 @@ impl PageServerHandler {
                 .as_millis()
                 .to_string()
         });
+
+        info!(
+            "acquired lease for {} until {}",
+            lsn,
+            valid_until_str.as_deref().unwrap_or("<unknown>")
+        );
+
         let bytes = valid_until_str.as_ref().map(|x| x.as_bytes());
 
         pgb.write_message_noflush(&BeMessage::RowDescription(&[RowDescriptor::text_col(