Hi Roberto, Your requirement is mentioned in LOGBACK-747 [1]. It is scheduled for the next version of logback. In the mean time, try SizeAndTimeBasedFNATP [2]. It is fairly close to your requirement. It supports deletion of old archive files but by period and not total size. HTH, -- Ceki [1] http://jira.qos.ch/browse/LOGBACK-747 [2] http://logback.qos.ch/manual/appenders.html#SizeAndTimeBasedFNATP On 2/29/2016 15:26, Roberto Pecoraro wrote:

Hi team,

I would like to reduce kairosdb traces in log files, then i need to change the configuration in order to have limited log size and wrap around log files.

This is my current log configuration file:

<?xml version="1.0" encoding="UTF-8"?> <configuration> <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n</pattern> </encoder> </appender> <appender name="logfile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>log/kairosdb.log</file> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!-- daily rollover --> <fileNamePattern>log/kairosdb.%d{yyyy-MM-dd}.log</fileNamePattern>

<!-- keep 30 days' worth of history --> <maxHistory>30</maxHistory> </rollingPolicy> <encoder> <pattern>%d{MM-dd|HH:mm:ss.SSS} [%thread] %-5level [%file:%line] - %msg%n</pattern> </encoder> </appender>

<logger name="com.mchange.v2.c3p0" level="WARN"/>

<root level="DEBUG"> <appender-ref ref="stdout"/> <appender-ref ref="logfile"/> </root> </configuration>

My requirement is to have 'N' files of maximum size 'S' MB which go in rollover, possibly leaving the first file unchanged.

Thanks and regards

Ciao Roberto.

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