From c29fd68dd54e2e019253859d6f15c71eca6a6b71 Mon Sep 17 00:00:00 2001
From: Feng <ery.lee@gmail.com>
Date: Sun, 6 Dec 2015 20:30:59 +0800
Subject: [PATCH] storage_properties

---
 src/emqttd_pubsub.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/emqttd_pubsub.erl b/src/emqttd_pubsub.erl
index 2a87940fa..83bfbb510 100644
--- a/src/emqttd_pubsub.erl
+++ b/src/emqttd_pubsub.erl
@@ -92,7 +92,9 @@ create_table(subscription, RamOrDisc) ->
             {type, bag},
             {RamOrDisc, [node()]},
             {record_name, mqtt_subscription},
-            {attributes, record_info(fields, mqtt_subscription)}]).
+            {attributes, record_info(fields, mqtt_subscription)},
+            {storage_properties, [{ets, [compressed]},
+                                  {dets, [{auto_save, 5000}]}]}]).
 
 if_subscription(Fun) ->
     case env(subscription) of