This topic describes Alibaba Cloud Log4j Appenders.
The severity levels of logs are classified into ERROR, WARN, INFO, and DEBUG in descending order.
An appender specifies that logs are sent to the Log Service console or files.
A layout specifies the output format of logs.
You can use an Alibaba Cloud Log4j Appender to send logs to Log Service. For more information about Alibaba Cloud Log4j Appenders, visit Log4j Appender.