diff --git a/server/metric-mgr.c b/server/metric-mgr.c
index 2bd4020..8b9d2b5 100644
--- a/server/metric-mgr.c
+++ b/server/metric-mgr.c
@@ -31,7 +31,7 @@ seaf_metric_manager_new (struct _SeafileSession *seaf)
     mgr->seaf = seaf;
 
     // redis cache
-    mgr->priv->cache = objcache_new ();
+    mgr->priv->cache = seaf->obj_cache;
 
     return mgr;
 }
diff --git a/server/seafile-session.c b/server/seafile-session.c
index 6092347..c230e9d 100644
--- a/server/seafile-session.c
+++ b/server/seafile-session.c
@@ -131,6 +131,8 @@ load_config (SeafileSession *session, const char *config_file_path)
                                                   "general", "cloud_mode",
                                                   NULL);
 
+    session->obj_cache = objcache_new ();
+
 
     notif_enabled = g_key_file_get_boolean (config,
                                             "notification", "enabled",
diff --git a/server/seafile-session.h b/server/seafile-session.h
index 9117ff2..c72a4ba 100644
--- a/server/seafile-session.h
+++ b/server/seafile-session.h
@@ -30,6 +30,7 @@
 #include "index-blocks-mgr.h"
 #include "notif-mgr.h"
 #include "http-tx-mgr.h"
+#include "obj-cache.h"
 #include "metric-mgr.h"
 
 #include <searpc-client.h>
@@ -99,6 +100,8 @@ struct _SeafileSession {
     // For metric
     SeafMetricManager *metric_mgr; 
 
+    ObjCache *obj_cache;
+
     gboolean            log_to_stdout;
 
     gboolean is_repair;