One approach, How can I run Log::Log4perl under mod_perl?, says synchronize access to an appender using Log::Log4perl::Appender::Synchronized, or use a different logfile for every process

Another approach might be to use a database appender like Log::Log4perl::Appender::DBI instead, and use pid/appname as part of the PatternLayout

Then you can schedule a cronjob to create dumps of database or ...

In reply to Re: different Log4perl configuration files in different web-apps under mod_perl by Anonymous Monk
in thread different Log4perl configuration files in different web-apps under mod_perl by Pickwick

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