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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