This document provides you an overview about logs and metrics generated by external Application Load Balancers.
To learn how to configure and use Cloud Logging and Cloud Monitoring , list of metrics, log record formats, and other information, refer to the following pages:
- Global external Application Load Balancer and classic Application Load Balancer logging and monitoring .
- Regional external Application Load Balancer logging and monitoring .
Monitoring features
The following table indicates the monitoring features supported by external Application Load Balancers:
Logging features
The following table indicates the logging features supported by external Application Load Balancers:
Feature
External HTTP(S)
Global
Classic
Regional
Log type
Log fields
TLS metadata between client and load balancer
Monitoring resources
The monitoring resources for global external Application Load Balancer and classic Application Load Balancer are the same. The following table specifies the resource names for external Application Load Balancers in each mode:
External HTTP(S)
Global
Classic
Regional
"Application Load Balancer"
http_load_balancer
"Regional External Application Load Balancer Rule"
http_external_regional_lb_rule
"Application Load Balancer Rule" (Logs-based Metrics)
l7_lb_rule
"Regional External Application Load Balancer Rule"
http_external_regional_lb_rule
"Global External Application Load Balancer Rule"
https_lb_rule
