faster Set loading time from .rdb file resizing the hash table to the…

… right size before loading elements
tsee · Feb 2, 2010 · 3c68de9 · 3c68de9
1 parent 9651a78
commit 3c68de9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/redis.c b/redis.c
@@ -3335,6 +3335,10 @@ static robj *rdbLoadObject(int type, FILE *fp) {
 
         if ((listlen = rdbLoadLen(fp,NULL)) == REDIS_RDB_LENERR) return NULL;
         o = (type == REDIS_LIST) ? createListObject() : createSetObject();
+        /* It's faster to expand the dict to the right size asap in order
+         * to avoid rehashing */
+        if (type == REDIS_SET && listlen > DICT_HT_INITIAL_SIZE)
+            dictExpand(o->ptr,listlen);
         /* Load every single element of the list/set */
         while(listlen--) {
             robj *ele;