From 2eee77094a23e77df9c658883687e7ea6ec787fb Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sat, 28 Apr 2018 18:53:57 +0100
Subject: [PATCH] [Minor] Do not touch elements that have no hits

---
 src/plugins/lua/maps_stats.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/lua/maps_stats.lua b/src/plugins/lua/maps_stats.lua
index d2f094b91..ed6aedbd3 100644
--- a/src/plugins/lua/maps_stats.lua
+++ b/src/plugins/lua/maps_stats.lua
@@ -83,7 +83,9 @@ local function process_map(map, ev_base, _)
     if ret and conn then
       local stats = map:get_stats(true)
       for k,s in pairs(stats) do
-        conn:add_cmd('ZINCRBY', {key, tostring(s), k})
+        if s > 0 then
+          conn:add_cmd('ZINCRBY', {key, tostring(s), k})
+        end
       end
     end
   end
-- 
2.39.5