extern void rrd_init(char *hostname);
extern RRDHOST *rrdhost_find(const char *guid, uint32_t hash);
-extern RRDHOST *rrdhost_find_or_create(const char *hostname, const char *guid);
+extern RRDHOST *rrdhost_find_or_create(const char *hostname, const char *guid, int update_every, int history, RRD_MEMORY_MODE mode, int health_enabled);
#ifdef NETDATA_INTERNAL_CHECKS
extern void rrdhost_check_wrlock_int(RRDHOST *host, const char *file, const char *function, const unsigned long line);