This topic introduces the log-related configurations of Milvus.
Using Milvus generates a collection of logs. By default, Milvus uses logs to record information at debug or even higher level for standard output (stdout) and standard error (stderr).
Under this section, you can configure the system log output.
log.level
Description
Default Value
Milvus log level.
Option: debug, info, warn, error, panic, and fatal
It is recommended to use debug level under test and development environments, and info level in production environment.
debug
log.file.rootPath
Description
Default Value
Root path to the log files.
The default value is set empty, indicating to output log files to standard output (stdout) and standard error (stderr).
If this parameter is set to a valid local path, Milvus writes and stores log files in this path.
Set this parameter as the path that you have permission to write.
""
log.file.maxSize
Description
Default Value
The maximum size of a log file.
Unit: MB
300
log.file.maxAge
Description
Default Value
The maximum retention time before a log file is automatically cleared.
Unit: day
The minimum value is 1.
This parameter takes effect only after the valid log.file.rootPath is set.
10
log.file.maxBackups
Description
Default Value
The maximum number of log files to back up.
Unit: day
The minimum value is 1.
This parameter takes effect only after the valid log.file.rootPath is set.
