From 4cde27d724d8f3dcb5a24e449615e5bf02e1681a Mon Sep 17 00:00:00 2001
From: Feng <ery.lee@gmail.com>
Date: Mon, 7 Dec 2015 14:33:23 +0800
Subject: [PATCH] read_concurrency

---
 src/emqttd_access_control.erl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/emqttd_access_control.erl b/src/emqttd_access_control.erl
index fdc5b7fba..c04cd920b 100644
--- a/src/emqttd_access_control.erl
+++ b/src/emqttd_access_control.erl
@@ -157,7 +157,8 @@ stop() ->
 %%%=============================================================================
 
 init([Opts]) ->
-	ets:new(?ACCESS_CONTROL_TAB, [set, named_table, protected]),
+	ets:new(?ACCESS_CONTROL_TAB, [set, named_table, protected, {read_concurrency, true}]),
+
     ets:insert(?ACCESS_CONTROL_TAB, {auth_modules, init_mods(auth, proplists:get_value(auth, Opts))}),
     ets:insert(?ACCESS_CONTROL_TAB, {acl_modules, init_mods(acl, proplists:get_value(acl, Opts))}),
 	{ok, state}.