From 0ddd74c70887d2787ebed2696448459852300108 Mon Sep 17 00:00:00 2001
From: akankshamahajan <akankshamahajan@fb.com>
Date: Wed, 1 Dec 2021 11:40:09 -0800
Subject: [PATCH] History Update for #9234

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---
 HISTORY.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/HISTORY.md b/HISTORY.md
index 4c78cd473..ed5a786cc 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,4 +1,8 @@
 # Rocksdb Change Log
+## Unreleased
+### Bug Fixes
+* Fixed a bug in rocksdb automatic implicit prefetching which got broken because of new feature adaptive_readahead and internal prefetching got disabled when iterator moves from one file to next.
+
 ## 6.27.1 (2021-11-29)
 ### Bug Fixes
 * Fixed a bug that could, with WAL enabled, cause backups, checkpoints, and `GetSortedWalFiles()` to fail randomly with an error like `IO error: 001234.log: No such file or directory`