From 2bde77fced256600295a0a1c09c6335aed679dac Mon Sep 17 00:00:00 2001
From: Konstantin Knizhnik <knizhnik@garret.ru>
Date: Thu, 12 May 2022 07:56:02 +0300
Subject: [PATCH] =?UTF-8?q?Do=20not=20apply=20records=20with=20LSN=20small?=
 =?UTF-8?q?er=20than=20LSN=20of=20cached=20image=20in=20del=E2=80=A6=20(#1?=
 =?UTF-8?q?672)?=
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Content-Type: text/plain; charset=UTF-8
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* Do not apply records with LSN smaller than LSN of cached image in delta layer

* Do not apply records with LSN smaller than LSN of cached image in delta layer
---
 pageserver/src/layered_repository/delta_layer.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pageserver/src/layered_repository/delta_layer.rs b/pageserver/src/layered_repository/delta_layer.rs
index e78b05695c..638df6f42a 100644
--- a/pageserver/src/layered_repository/delta_layer.rs
+++ b/pageserver/src/layered_repository/delta_layer.rs
@@ -254,6 +254,9 @@ impl Layer for DeltaLayer {
                     return false;
                 }
                 let entry_lsn = DeltaKey::extract_lsn_from_buf(key);
+                if entry_lsn < lsn_range.start {
+                    return false;
+                }
                 offsets.push((entry_lsn, blob_ref.pos()));
 
                 !blob_ref.will_init()