From df032c256ae58a61a88f6083969f2995952064a1 Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Mon, 13 Dec 2021 11:57:50 +0100
Subject: [PATCH] perf: Speedup cachekv iterator on large deletions & IBC v2
 upgrade logic (backport #10741) (#10745)

* perf: Speedup cachekv iterator on large deletions & IBC v2 upgrade logic (#10741)

(cherry picked from commit 314e1d52c248e61847e0d78be165fc9d843ef812)

# Conflicts:
#	CHANGELOG.md
#	store/cachekv/store_bench_test.go

* fix conflicts

Co-authored-by: Dev Ojha <ValarDragon@users.noreply.github.com>
Co-authored-by: marbar3778 <marbar3778@yahoo.com>
---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a362db34cbb..30a154871390 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -94,6 +94,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Improvements
 
 * (baseapp) [\#10631](https://github.com/cosmos/cosmos-sdk/pull/10631)  Emit ante events even for the failed txs. 
+* (store) [\#10741](https://github.com/cosmos/cosmos-sdk/pull/10741) Significantly speedup iterator creation after delete heavy workloads. Significantly improves IBC migration times.
 
 ### Features