diff --git a/storage/spider/ha_spider.h b/storage/spider/ha_spider.h
index f5a597b88a7..3434add965c 100644
--- a/storage/spider/ha_spider.h
+++ b/storage/spider/ha_spider.h
@@ -1219,3 +1219,26 @@ public:
   int init_union_table_name_pos_sql();
   int set_union_table_name_pos_sql();
 };
+
+
+/* This is a hack for ASAN
+ * Libraries such as libxml2 and libodbc do not like being unloaded before
+ * exit and will show as a leak in ASAN with no stack trace (as the plugin
+ * has been unloaded from memory).
+ *
+ * The below is designed to trick the compiler into adding a "UNIQUE" symbol
+ * which can be seen using:
+ * readelf -s storage/spider/ha_spider.so | grep UNIQUE
+ *
+ * Having this symbol means that the plugin remains in memory after dlclose()
+ * has been called. Thereby letting the libraries clean up properly.
+ */
+#if defined(__SANITIZE_ADDRESS__)
+__attribute__((__used__))
+inline int dummy(void)
+{
+  static int d;
+  d++;
+  return d;
+}
+#endif
diff --git a/storage/spider/spd_conn.cc b/storage/spider/spd_conn.cc
index be9b27d83ad..b55dc0fd4db 100644
--- a/storage/spider/spd_conn.cc
+++ b/storage/spider/spd_conn.cc
@@ -53,7 +53,7 @@ extern handlerton *spider_hton_ptr;
 extern SPIDER_DBTON spider_dbton[SPIDER_DBTON_SIZE];
 pthread_mutex_t spider_conn_id_mutex;
 pthread_mutex_t spider_ipport_conn_mutex;
-ulonglong spider_conn_id = 1;
+ulonglong spider_conn_id;
 
 #ifndef WITHOUT_SPIDER_BG_SEARCH
 extern pthread_attr_t spider_pt_attr;
@@ -93,7 +93,7 @@ extern sql_mode_t pushdown_sql_mode;
 HASH spider_open_connections;
 uint spider_open_connections_id;
 HASH spider_ipport_conns;
-long spider_conn_mutex_id = 0;
+long spider_conn_mutex_id;
 
 const char *spider_open_connections_func_name;
 const char *spider_open_connections_file_name;
diff --git a/storage/spider/spd_db_conn.cc b/storage/spider/spd_db_conn.cc
index 40dc15a2149..fd10c7cee8b 100644
--- a/storage/spider/spd_db_conn.cc
+++ b/storage/spider/spd_db_conn.cc
@@ -67,7 +67,7 @@ pthread_mutex_t spider_open_conn_mutex;
 const char spider_dig_upper[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
 /* UTC time zone for timestamp columns */
-Time_zone *UTC = 0;
+Time_zone *UTC;
 
 int spider_db_connect(
   const SPIDER_SHARE *share,
diff --git a/storage/spider/spd_ping_table.cc b/storage/spider/spd_ping_table.cc
index 4d2c826aa28..1f5230829c3 100644
--- a/storage/spider/spd_ping_table.cc
+++ b/storage/spider/spd_ping_table.cc
@@ -74,10 +74,10 @@ ulong spider_mon_table_cache_line_no;
 greater than spider_mon_table_cache_version_req. When the inequality
 is strict, an initialisation of spider_mon_table_cache will be
 triggered. */
-volatile ulonglong spider_mon_table_cache_version = 0;
+volatile ulonglong spider_mon_table_cache_version;
 /* The required mon table cache version, incremented by one by the
 udf spider_flush_table_mon_cache */
-volatile ulonglong spider_mon_table_cache_version_req = 1;
+volatile ulonglong spider_mon_table_cache_version_req;
 
  /* Get or create a `SPIDER_TABLE_MON_LIST' for a key `str' */
 SPIDER_TABLE_MON_LIST *spider_get_ping_table_mon_list(
diff --git a/storage/spider/spd_table.cc b/storage/spider/spd_table.cc
index 60e1ce6bad2..c1435e0216e 100644
--- a/storage/spider/spd_table.cc
+++ b/storage/spider/spd_table.cc
@@ -139,6 +139,11 @@ extern SPIDER_DBTON spider_dbton_oracle;
 SPIDER_THREAD *spider_table_sts_threads;
 SPIDER_THREAD *spider_table_crd_threads;
 #endif
+extern volatile ulonglong spider_mon_table_cache_version;
+extern volatile ulonglong spider_mon_table_cache_version_req;
+extern ulonglong spider_conn_id;
+extern Time_zone *UTC;
+extern ulonglong spider_thread_id;
 
 #ifdef HAVE_PSI_INTERFACE
 PSI_mutex_key spd_key_mutex_tbl;
@@ -6614,6 +6619,12 @@ int spider_db_init(
   handlerton *spider_hton = (handlerton *)p;
   DBUG_ENTER("spider_db_init");
 
+  spider_mon_table_cache_version= 0;
+  spider_mon_table_cache_version_req= 1;
+  spider_conn_id= 1;
+  spider_conn_mutex_id= 0;
+  UTC = 0;
+  spider_thread_id = 1;
   const LEX_CSTRING aria_name={STRING_WITH_LEN("Aria")};
   if (!plugin_is_ready(&aria_name, MYSQL_STORAGE_ENGINE_PLUGIN))
     DBUG_RETURN(HA_ERR_RETRY_INIT);
diff --git a/storage/spider/spd_trx.cc b/storage/spider/spd_trx.cc
index bdea13e7d3b..7a92a6e3f17 100644
--- a/storage/spider/spd_trx.cc
+++ b/storage/spider/spd_trx.cc
@@ -49,7 +49,7 @@ extern struct charset_info_st *spd_charset_utf8_bin;
 extern handlerton *spider_hton_ptr;
 extern SPIDER_DBTON spider_dbton[SPIDER_DBTON_SIZE];
 pthread_mutex_t spider_thread_id_mutex;
-ulonglong spider_thread_id = 1;
+ulonglong spider_thread_id;
 
 #ifdef HAVE_PSI_INTERFACE
 extern PSI_mutex_key spd_key_mutex_udf_table;