Logging framework runtime management
Dynamically switch the log framework used when running in Dubbo
Logging framework runtime management
Starting from 3.0.10
, dubbo-qos runtime control supports querying log configuration and dynamically modifying the used log framework and log level.
Note: The log configuration modified by dubbo-qos is not stored persistently and will become invalid after the application is restarted.
1. Query log configuration
Command: loggerInfo
Example:
> telnet 127.0.0.1 22222
> loggerInfo
output:
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
___ __ __ ___ ___ ____
/ _ \ / / / // _ ) / _ ) / __ \
/ // // /_/ // _ |/ _ |/ /_/ /
/____/ \____//____//____/ \____/
dubbo>loggerInfo
Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: INFO
2. Modify log level
Command: switchLogLevel {level}
level: ALL
, TRACE
, DEBUG
, INFO
, WARN
, ERROR
, OFF
Example:
> telnet 127.0.0.1 22222
> switchLogLevel WARN
output:
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
___ __ __ ___ ___ ____
/ _ \ / / / // _ ) / _ ) / __ \
/ // // /_/ // _ |/ _ |/ /_/ /
/____/ \____//____//____/ \____/
dubbo>loggerInfo
Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: INFO
dubbo>switchLogLevel WARN
OK
dubbo>loggerInfo
Available logger adapters: [jcl, jdk, log4j, slf4j]. Current Adapter: [log4j]. Log level: WARN```
3. Modify the log output framework
Command: switchLogger {loggerAdapterName}
loggerAdapterName: slf4j
, jcl
, log4j
, jdk
, log4j2
Example:
> telnet 127.0.0.1 22222
> switchLogger slf4j
output:
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
___ __ __ ___ ___ ____
/ _ \ / / / // _ ) / _ ) / __ \
/ // // /_/ // _ |/ _ |/ /_/ /
/____/ \____//____//____/ \____/
dubbo>loggerInfo
Available logger adapters: [jcl, slf4j, log4j, jdk]. Current Adapter: [log4j]. Log level: INFO
dubbo>switchLogger slf4j
OK
dubbo>loggerInfo
Available logger adapters: [jcl, slf4j, log4j, jdk]. Current Adapter: [slf4j]. Log level: INFO
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Last modified January 2, 2023: Enhance en docs (#1798) (95a9f4f6c)