OPENED_DBS_CHUNK
if (db_standby_count >= OPENED_DBS_CHUNK) {
(db_standby_size+OPENED_DBS_CHUNK) *
myself, (db_standby_size+OPENED_DBS_CHUNK) *
for (i = db_standby_size; i < db_standby_size+OPENED_DBS_CHUNK;
db_standby_size += OPENED_DBS_CHUNK;