[logback-user] Question about SizeAndTimeBasedRollingPolicy

Simon.Erhardt at befine-solutions.com Simon.Erhardt at befine-solutions.com
Mon Apr 11 06:36:51 UTC 2016

Hi Ceki,

thank you for the fast reply. When I remove the file property, the 
currently active log file is named according to the fileNamePattern, but 
besides that, appearantly nothing changes. I still have archive files of 
today with a total size exceeding totalSizeCap.
Any other ideas? Or do have to implement a custom rollingPolicy?


From:   Ceki Gulcu <ceki at qos.ch>
To:     logback-user at qos.ch
Date:   08.04.2016 20:04
Subject:        Re: [logback-user] Question about 
Sent by:        "logback-user" <logback-user-bounces at qos.ch>

Hi Simon,

I think simply removing the "file" property will go a long way to a 


On 4/8/2016 17:03, Simon.Erhardt at befine-solutions.com wrote:
> Hello all,
> I've got a question about the SizeAndTimeBasedRollingPolicy. What I
> would like to achieve is a guaranteed upper boundary for the disk space
> used by log files and archives. I was happy to find the related option
> "totalSizeCap" for SizeAndTimeBasedRollingPolicy which seemed to help,
> but it turns out that this cap is applied only to files older than the
> time-based rollover trigger (in my case, a new day). The same seems to
> be the case for "maxHistory", it doesn't constrain the count of files
> created on the current day. So it is possible that, in worst case, a lot
> of files are created and flush disk space.
> Are there any ideas how to solve that? I read about
> FixedWindowRollingPolicy, but I need day based rollover. Here's my
> non-working approach so far:
> <appender name="FILE_DEFAULT"
> class="ch.qos.logback.core.rolling.RollingFileAppender">
>          <file>events.log</file>
>          <encoder><Pattern>${defaultPattern}</Pattern></encoder>
>          <rollingPolicy
> class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
>        <fileNamePattern>events_%d{yyyy-MM-dd}_%i.zip</fileNamePattern>
>        <maxFileSize>1MB</maxFileSize>
>        <maxHistory>5</maxHistory>
>        <totalSizeCap>10MB</totalSizeCap>
>          </rollingPolicy>
> </appender>
> I'm looking forward to any responses. Have a nice weekend!
> Simon Erhardt*
> *Senior Software Architect
> Befine Solutions AG - The Cryptshare company
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