Regularly delete the log:
http://www.kstrive.com/2017/10/26/log4j2_auto_delete_old_logs/
https://blog.csdn.net/z69183787/article/details/77676486
Log division:
https://blog.csdn.net/zhang168/article/details/46814489
Output basic syntax:
% d {HH: mm: ss.SSS } represents the output time to the millisecond
% t output current thread name
% -5level output log level, a left-aligned and secured -5 outputs five characters, if the right if less than 0
% logger output logger names, no names because Root Logger, there is no output
% msg text log
% n newline
Other commonly used placeholders are:
class file name% F where the output, as Log4j2Test.java
% L outputs row number
% M where the method name output
line number where the output statement% l, comprising a class name, a method name, file name the number of rows
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author: vbirdbest
source: CSDN
original: https: //blog.csdn.net/vbirdbest/article/details/71751835
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