From a048e0c7c13363b0decae14e8472094d149228fd Mon Sep 17 00:00:00 2001
From: Konstantin Knizhnik <knizhnik@garret.ru>
Date: Thu, 15 Jul 2021 10:28:25 +0300
Subject: [PATCH] Revert assert cechk for advancing prev_record_lsn because in
 case of creation of branch on some older LSN we can not provide proper
 xl_prev value

---
 pageserver/src/object_repository.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pageserver/src/object_repository.rs b/pageserver/src/object_repository.rs
index b658e6c1f3..701f670d3d 100644
--- a/pageserver/src/object_repository.rs
+++ b/pageserver/src/object_repository.rs
@@ -578,8 +578,7 @@ impl Timeline for ObjectTimeline {
         assert!(old <= lsn);
 
         // Use old value of last_record_lsn as prev_record_lsn
-        let old_prev = self.prev_record_lsn.fetch_max(old);
-        assert!(old_prev <= old);
+        self.prev_record_lsn.fetch_max(old);
 
         // Also advance last_valid_lsn
         let old = self.last_valid_lsn.advance(lsn);