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Yandex Application Load Balancer metrics

Written by
Updated at October 1, 2024

This section describes the Application Load Balancer metrics delivered to Monitoring.

The metric name is written in the name label.

All Application Load Balancer metrics share the service=application-load-balancer label.

HTTP metrics

Labels shared by all HTTP metrics:

Label Value
backend Backend name
backend_group Backend group name
http_router HTTP router name
load_balancer L7 load balancer name
route Name of the route
virtual_host Name of the virtual host
zone Availability zone
Metric name
Type, units		 Description
Labels
load_balancer.request_bytes_per_second
DGAUGE, bytes per second		 Total volume of load balancer requests per second.
When combined with the zone label, only requests from a specific availability zone will be counted.
load_balancer.requests_count_per_second
DGAUGE, requests per second		 Number of load balancer requests per second.
When combined with the zone label, only requests from a specific availability zone will be counted.
The special code label represents a response code, e.g., 200 or grpc:CANCELLED.
load_balancer.requests_latency_milliseconds
IGUAGE, ms		 Response latency distribution histogram (time from the load balancer receiving the first byte of the request to sending the last byte of the response), 50th to 99th percentiles, in milliseconds.
When combined with the zone label, only responses in a specific availability zone will be counted.
Special bin label: Histogram buckets.
load_balancer.response_bytes_per_second
DGAUGE, bytes per second		 Total volume of load balancer responses per second.
When combined with the zone label, only responses in a specific availability zone will be counted.

Scaling metrics

Metric name
Type, units		 Description
Labels
load_balancer.scaling.active_connections
DGAUGE, number		 Number of active connections
load_balancer.scaling.bytes_per_second
DGAUGE, bytes per second		 Amount of data processed per second
load_balancer.scaling.connections_per_second
DGAUGE, connections per second		 Number of connections per second
load_balancer.scaling.http_received_bytes_per_second
DGAUGE, bytes per second		 Amount of data received per second
load_balancer.scaling.http_transmitted_bytes_per_second
DGAUGE, bytes per second		 Amount of data transmitted per second
load_balancer.scaling.requests_per_second
DGAUGE, requests per second		 Number of requests per second

Smart Web Security metrics

Common labels for all Smart Web Security metrics:

Label Value
Common labels
load_balancer L7 load balancer name
http_router HTTP router name
virtual_host Name of the virtual host
Special labels
security_profile Security profile ID
rule_name Security rule name
First name
Type, units		 Description
load_balancer.smart_web_security.
requests_per_second
DGAUGE, requests per second		 Number of requests to the protected resource per second.
Common labels:
antirobot_verdict special label: Action with a request based on the results of checks. Possible values:
  • allow: Request sent to a virtual host.
  • captcha: Request sent to Yandex SmartCaptcha for additional verification.
  • deny: Request blocked.
load_balancer.smart_web_security.
arl_requests_per_second
DGAUGE, requests per second		 Number of requests per second to the protected resource passed through the Advanced Rate Limiter module.
folderId common label: Folder ID.

Special labels:
  • arl_profile: Advanced Rate Limiter profile ID.
  • arl_verdict: Action with a request based on the results of checks. Possible values:
    • allow: Request sent to a virtual host.
    • deny: Request blocked.
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