Exposition Formats
Text-based format
# HELP http_requests_total The total number of HTTP requests
# TYPE http_requests_total counter
http_requests_total{method="GET",code="200"} 1027
http_requests_total{method="GET",code="404"} 3
# HELP cpu_usage_seconds_total Total CPU time consumed
# TYPE cpu_usage_seconds_total counter
cpu_usage_seconds_total 12345.67
# HELP memory_usage_bytes Current memory usage in bytes
# TYPE memory_usage_bytes gauge
memory_usage_bytes 654321
# HELP go_threads Number of OS threads created
# TYPE go_threads gauge
go_threads 12
# HELP application_up Whether the application is up and running (1 for up, 0 for down)
# TYPE application_up gauge
application_up 1
# HELP db_query_duration_seconds Histogram of database query durations
# TYPE db_query_duration_seconds histogram
db_query_duration_seconds_bucket{le="0.01"} 25
db_query_duration_seconds_bucket{le="0.05"} 50
db_query_duration_seconds_bucket{le="0.1"} 75
db_query_duration_seconds_bucket{le="0.5"} 100
db_query_duration_seconds_bucket{le="1"} 110
db_query_duration_seconds_bucket{le="+Inf"} 120
db_query_duration_seconds_sum 35.5
db_query_duration_seconds_count 120
# HELP custom_metric Example of a custom metric
# TYPE custom_metric counter
custom_metric{label1="value1",label2="value2"} 42
Annotations
-
HELP annotation: Provide a human-readable description of the metric
-
TYPE annotation: Indicate the metric type:
counter,gauge,histogram, orsummary.