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

[Ceki Gulcu]

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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