Proxy Log Level

environment variable
--proxy-log-level CLI flag of the install, inject and upgrade commands
config.linkerd.io/proxy-log-level annotation (refer to Proxy Configuration for more information on using config annotations).

The log level is a comma-separated list of log directives, which is based on the logging syntax of the .

A module path (e.g. foo or foo::bar::baz), or
A module path followed by an equals sign and a level (e.g. foo=warn or foo::bar::baz=debug), which sets the log level for that module

A level is one of:

A module name starts with a letter, and consists of alphanumeric characters and .