From bb14ff7c788cd4ff1ca4d8196531a6b1248726d9 Mon Sep 17 00:00:00 2001
From: Siying Dong <siying.d@fb.com>
Date: Wed, 22 Mar 2017 11:13:55 -0700
Subject: [PATCH] HISTORY.md for log_size_for_flush in CreateCheckpoint()

Summary: Closes https://github.com/facebook/rocksdb/pull/2021

Differential Revision: D4755324

Pulled By: siying

fbshipit-source-id: c8d7955
---
 HISTORY.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 77a4f0bd1..54c15f1ae 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,4 @@
 # Rocksdb Change Log
-## Unreleased
-
 ## 5.3.0 (03/08/2017)
 ### Public API Change
 * Remove disableDataSync option.
@@ -8,6 +6,9 @@
 * Remove option min_partial_merge_operands. Partial merge operands will always be merged in flush or compaction if there are more than one.
 * Remove option verify_checksums_in_compaction. Compaction will always verify checksum.
 
+### New Features
+* Memtable flush can be avoided during checkpoint creation if total log file size is smaller than a threshold specified by the user.
+
 ## 5.2.0 (02/08/2017)
 ### Public API Change
 * NewLRUCache() will determine number of shard bits automatically based on capacity, if the user doesn't pass one. This also impacts the default block cache when the user doesn't explict provide one.