From 29b3794231d5670a587fd42bec8061eb29e57023 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 1 Feb 2012 21:47:41 +0100
Subject: [PATCH] Only incremnet stats for key miss/hit when the key is
 semantically accessed in read-only.

---
 src/db.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/db.c b/src/db.c
index d36d5c95..94003ba3 100644
--- a/src/db.c
+++ b/src/db.c
@@ -37,17 +37,22 @@ robj *lookupKey(redisDb *db, robj *key) {
                 if (notify) handleClientsBlockedOnSwappedKey(db,key);
             }
         }
-        server.stat_keyspace_hits++;
         return val;
     } else {
-        server.stat_keyspace_misses++;
         return NULL;
     }
 }
 
 robj *lookupKeyRead(redisDb *db, robj *key) {
+    robj *val;
+
     expireIfNeeded(db,key);
-    return lookupKey(db,key);
+    val = lookupKey(db,key);
+    if (val == NULL)
+        server.stat_keyspace_misses++;
+    else
+        server.stat_keyspace_hits++;
+    return val;
 }
 
 robj *lookupKeyWrite(redisDb *db, robj *key) {