You need to configure a Delete Action. Search for Delete on Rollover in http://logging.apache.org/log4j/2.x/manual/appenders.html#RollingFileAppender <http://logging.apache.org/log4j/2.x/manual/appenders.html#RollingFileAppender>.
Ralph > On Oct 11, 2021, at 7:05 AM, Alan Franzoni <alan.franz...@gmail.com> wrote: > > Hello, I'm using log4j 2.14.1. > > What I'd like to do is to have an appender which lets me have one log file > per day, but then delete older logs after N days (e.g. I'd like to have at > most 10 logfiles, one per day). > > I've tried using the DirectWriteRolloverStrategy, which seems good and > creates one log file per day when properly configured, but apparently has > no way of deleting older files, so my log directory gets filled with logs; > the maxFiles attribute only seems to set ```The maximum number of files to > allow in the time period matching the file pattern``` (see > https://logging.apache.org/log4j/2.x/manual/appenders.html) - so, it's only > useful when there's a size-based policy that rotates logs further. > > The Delete Action only appears to work with the DefaultRolloverStrategy. > > My appender configuration: > ``` > appender.rolling.type = RollingFile > appender.rolling.name = ROLLING > appender.rolling.filePattern = /var/log/application-%d{yyyy-MM-dd}.log > appender.rolling.layout.type = PatternLayout > appender.rolling.layout.pattern = > [%d{yyyy-MM-dd'T'HH:mm:ss,SSS}{UTC}Z][%p][%C:%L] %m%n > appender.rolling.policies.type = Policies > appender.rolling.policies.time.type = TimeBasedTriggeringPolicy > appender.rolling.strategy.type = DirectWriteRolloverStrategy > appender.rolling.strategy.maxFiles = 10 > ``` > > Is there any way to configure the maximum amount (or maximum age) of logs > in that directory, (ideally) using properties (but if XML is fine if > properties don't work for this use case) ? > > Thanks, > > Alan
