negative caching implemented

[redis.git] / src / redis.c

diff --git a/src/redis.c b/src/redis.c
index 36b7c853ec8c493c8a7c6cde146761714bf66bba..65cf3ace9c045b1fbcffa6347aba51f37dc87626 100644 (file)
--- a/src/redis.c
+++ b/src/redis.c
@@ -345,7 +345,7 @@ unsigned int dictEncObjHash(const void *key) {
     }
 }
 
-/* Sets type */
+/* Sets type and diskstore negative caching hash table */
 dictType setDictType = {
     dictEncObjHash,            /* hash function */
     NULL,                      /* key dup */
@@ -596,7 +596,7 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
             }
             updateDictResizePolicy();
         }
-    } else {
+    } else if (!server.ds_enabled) {
         /* If there is not a background saving in progress check if
          * we have to save now */
          time_t now = time(NULL);
@@ -769,7 +769,7 @@ void initServerConfig() {
     server.maxmemory_policy = REDIS_MAXMEMORY_VOLATILE_LRU;
     server.maxmemory_samples = 3;
     server.ds_enabled = 0;
-    server.ds_path = zstrdup("/tmp/redis.ds");
+    server.ds_path = sdsnew("/tmp/redis.ds");
     server.cache_max_memory = 64LL*1024*1024; /* 64 MB of RAM */
     server.cache_blocked_clients = 0;
     server.hash_max_zipmap_entries = REDIS_HASH_MAX_ZIPMAP_ENTRIES;
@@ -854,8 +854,10 @@ void initServer() {
         server.db[j].expires = dictCreate(&keyptrDictType,NULL);
         server.db[j].blocking_keys = dictCreate(&keylistDictType,NULL);
         server.db[j].watched_keys = dictCreate(&keylistDictType,NULL);
-        if (server.ds_enabled)
+        if (server.ds_enabled) {
             server.db[j].io_keys = dictCreate(&keylistDictType,NULL);
+            server.db[j].io_negcache = dictCreate(&setDictType,NULL);
+        }
         server.db[j].id = j;
     }
     server.pubsub_channels = dictCreate(&keylistDictType,NULL);