From 870302afa69b3e10077723b5c33a11044bf5d404 Mon Sep 17 00:00:00 2001
From: Gyu-Ho Lee <gyuhox@gmail.com>
Date: Wed, 5 Jul 2017 16:10:04 -0700
Subject: [PATCH] mvcc/backend: enable 'NoFreelistSync' by default (linux)

Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
---
 mvcc/backend/config_linux.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mvcc/backend/config_linux.go b/mvcc/backend/config_linux.go
index a8f6abeba..b01785f3b 100644
--- a/mvcc/backend/config_linux.go
+++ b/mvcc/backend/config_linux.go
@@ -27,7 +27,8 @@ import (
 // (https://github.com/torvalds/linux/releases/tag/v2.6.23), mmap might
 // silently ignore this flag. Please update your kernel to prevent this.
 var boltOpenOptions = &bolt.Options{
-	MmapFlags: syscall.MAP_POPULATE,
+	MmapFlags:      syscall.MAP_POPULATE,
+	NoFreelistSync: true,
 }
 
 func (bcfg *BackendConfig) mmapSize() int { return int(bcfg.MmapSize) }