From 36d643deec635298ec5f67011e1b6698f0dc1a72 Mon Sep 17 00:00:00 2001
From: spacewander <spacewanderlzx@gmail.com>
Date: Mon, 19 Apr 2021 18:31:00 +0800
Subject: [PATCH] fix: add code which is removed in #3991 by mistake.

Close #3988

Signed-off-by: spacewander <spacewanderlzx@gmail.com>
---
 apisix/plugins/limit-count/limit-count-redis.lua | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/apisix/plugins/limit-count/limit-count-redis.lua b/apisix/plugins/limit-count/limit-count-redis.lua
index 7958bdc840d9..253d557595c0 100644
--- a/apisix/plugins/limit-count/limit-count-redis.lua
+++ b/apisix/plugins/limit-count/limit-count-redis.lua
@@ -93,6 +93,11 @@ function _M.incoming(self, key)
         return nil, err
     end
 
+    local ok, err = red:set_keepalive(10000, 100)
+    if not ok then
+        return nil, err
+    end
+
     if remaining < 0 then
         return nil, "rejected"
     end