From 44ac71480863be1dd6777d1d7ec4a5751526a2b4 Mon Sep 17 00:00:00 2001
From: Akanksha Mahajan <akankshamahajan@fb.com>
Date: Wed, 1 Dec 2021 12:22:04 -0800
Subject: [PATCH] Update History.md for the bug fix in RocksDB implicit
 prefetching in #9234 (#9237)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/9237

Reviewed By: riversand963

Differential Revision: D32769906

Pulled By: akankshamahajan15

fbshipit-source-id: ef9185f57b7f7cb16daf412ae08104a3e2724191
---
 HISTORY.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/HISTORY.md b/HISTORY.md
index 9932fae1c..bf0d65d70 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,8 @@
 ## Unreleased
 ### New Features
 ### 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.
+
 ### Behavior Changes
 ### Public API change
 * Extend WriteBatch::AssignTimestamp and AssignTimestamps API so that both functions can accept an optional `checker` argument that performs additional checking on timestamp sizes.