[logback-dev] [JIRA] Commented: (LBCORE-147) RollingPolicy MaxHistory not deleting old files

[Ceki Gulcu (JIRA)]

    [ http://jira.qos.ch/browse/LBCORE-147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12096#action_12096 ] 

Ceki Gulcu commented on LBCORE-147:
-----------------------------------

1) "The application is typically not used at the weekend - so for two days a week the application is running but there is no logging activity. I can't believe that's an especially unusual scenario."

You are right. The scenario is perfectly plausible for an application deployed in the context of a business with clearly defined opening hours. You'd need a heartbeat thread logging at regular intervals to overcome this problem.

2) If the value of Q is independent of the duration of the rollover period, so is maxQ. It would be incorrect to make it dependent just because it suits us better.

> RollingPolicy MaxHistory not deleting old files
> -----------------------------------------------
>
>                 Key: LBCORE-147
>                 URL: http://jira.qos.ch/browse/LBCORE-147
>             Project: logback-core
>          Issue Type: Bug
>          Components: Rolling
>    Affects Versions: 0.9.18
>         Environment: linux 2.6.18 64bits apache-tomcat-6.0.20 java/jre1.6.0_18
>            Reporter: Rafael Diaz Maurin
>            Assignee: Ceki Gulcu
>         Attachments: TimeBasedRollingWithArchiveRemovalTest.java
>
>
> The MaxHistory does not do the trick : the old files are not deleted at all :
> cat logging.xml
>  <appender name="IDP_ACCESS" class="ch.qos.logback.core.rolling.RollingFileAppender">
>         <File>/shibboleth-idp/logs/idp-access.log</File>
>             <Append>false</Append>
> 	<ImmediateFlush>true</ImmediateFlush>
>        <RollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
>             <FileNamePattern>/shibboleth-idp/logs/old/idp-access-%d{yyyy-MM-dd_HH-mm}.log.gz</FileNamePattern>
> 	    <MaxHistory>3</MaxHistory>
>         </RollingPolicy>
>         <layout class="ch.qos.logback.classic.PatternLayout">
>             <Pattern>%msg%n</Pattern>
>         </layout>
>     </appender>

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