From fd0c4c027713d1d34a8dd5ef62556b9ac0940d45 Mon Sep 17 00:00:00 2001
From: "zhaozhao.zz" <zhaozhao.zz@alibaba-inc.com>
Date: Fri, 16 Mar 2018 00:48:59 +0800
Subject: [PATCH] add rdb-save-incremental-fsync option in redis.conf

---
 redis.conf | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/redis.conf b/redis.conf
index 1e1f5313..427fc7dd 100644
--- a/redis.conf
+++ b/redis.conf
@@ -1193,6 +1193,12 @@ hz 10
 # big latency spikes.
 aof-rewrite-incremental-fsync yes
 
+# When redis saves RDB file, if the following option is enabled
+# the file will be fsync-ed every 32 MB of data generated. This is useful
+# in order to commit the file to the disk more incrementally and avoid
+# big latency spikes.
+rdb-save-incremental-fsync yes
+
 # Redis LFU eviction (see maxmemory setting) can be tuned. However it is a good
 # idea to start with the default settings and only change them after investigating
 # how to improve the performances and how the keys LFU change over time, which