From 176b0b64ea69411ea6f72774c52b2a700ff049bb Mon Sep 17 00:00:00 2001
From: Feng Lee <ery.lee@gmail.com>
Date: Thu, 26 May 2016 19:50:08 +0800
Subject: [PATCH] GC after a session DOWN

---
 src/emqttd_sm.erl | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/emqttd_sm.erl b/src/emqttd_sm.erl
index e3e893a58..05aed7b42 100644
--- a/src/emqttd_sm.erl
+++ b/src/emqttd_sm.erl
@@ -117,8 +117,7 @@ call(SM, Req) ->
 
 init([Pool, Id]) ->
     ?GPROC_POOL(join, Pool, Id),
-    {ok, #state{pool = Pool, id = Id,
-                monitors = dict:new()}}.
+    {ok, #state{pool = Pool, id = Id, monitors = dict:new()}}.
 
 prioritise_call(_Msg, _From, _Len, _State) ->
     1.
@@ -175,7 +174,7 @@ handle_info({'DOWN', MRef, process, DownPid, _Reason}, State) ->
                     [_Sess] -> ok
                     end
                 end),
-            {noreply, erase_monitor(MRef, State)};
+            {noreply, erase_monitor(MRef, State), hibernate};
         error ->
             lager:error("MRef of session ~p not found", [DownPid]),
             {noreply, State}