[logback-user] More information about log back mechanism and configuration

[Roberto Pecoraro]

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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