From: antirez <antirez@gmail.com>
Date: Wed, 1 Feb 2012 20:47:41 +0000 (+0100)
Subject: Only incremnet stats for key miss/hit when the key is semantically accessed in read... 
X-Git-Url: https://git.saurik.com/redis.git/commitdiff_plain/b80b1c5914435c3a013cfe9b19e39f9de35ab06e?ds=sidebyside

Only incremnet stats for key miss/hit when the key is semantically accessed in read-only.
---

diff --git a/src/db.c b/src/db.c
index 3ff7113b..fc366b07 100644
--- a/src/db.c
+++ b/src/db.c
@@ -42,17 +42,22 @@ robj *lookupKey(redisDb *db, robj *key) {
          * a copy on write madness. */
         if (server.rdb_child_pid == -1 && server.aof_child_pid == -1)
             val->lru = server.lruclock;
-        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) {