Sizebasedtriggingpolicy introduction

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SizeBasedTriggeringPolicy Introduction

The author will talk about it below SizeBasedTriggeringPolicy Introduction to , As shown below

SizeBasedTriggeringPolicy The function of :  Observe the size of the currently active file   When it is greater than the specified value , It will give  RollingFileAppender  Send a signal to trigger the rotation of the currently active file  

SizeBasedTriggeringPolicy attribute

maxFileSize: byte 
             kilobytes 
             Megabytes 
             gigabyte 
 By specifying a suffix after the value  KB,MB  perhaps  GB
   Such as :5000000,5000KB,5MB  as well as  2GB  It's all valid , The first three are the same ( The default value is  10 MB)

example

<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>test.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
        <fileNamePattern>test.%i.log.zip</fileNamePattern>
        <minIndex>1</minIndex>
        <maxIndex>3</maxIndex>
    </rollingPolicy>

    <!-- When the file size exceeds 5MB when , notice RollingPolicy rotary -->
    <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
        <maxFileSize>5MB</maxFileSize>
    </triggeringPolicy>

    <encoder>
        <pattern>%-4relative [%thread] %-5level %logger{35} - %msg%n
        </pattern>
    </encoder>
</appender>