change log level to debug

src/sf_connection_manager.c

@@ -822,7 +822,7 @@ static void *connection_manager_thread_func(void *arg)
 #endif
 
     cm = (SFConnectionManager *)arg;
-    logInfo("file: "__FILE__", line: %d, "
+    logDebug("file: "__FILE__", line: %d, "
             "[%s] connection manager thread start",
             __LINE__, cm->module_name);
 

src/sf_sharding_htable.h

@@ -18,7 +18,6 @@
 
 #include <limits.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include "fastcommon/common_define.h"
 #include "fastcommon/fc_list.h"
 #include "fastcommon/pthread_func.h"