// Aula 24 - Trabalhar com funções parte 2

time() - process_start_time_seconds

year(process_start_time_seconds)

timestamp(up)

node_time_seconds - timestamp(node_time_seconds)

label_replace(node_disk_read_bytes_total, "dev", "${1}", "device", "(.*)")

label_join(node_disk_read_bytes_total, "combinado", "-", "instance", "job")