Renaming Pega logs
If two or more Pega Platform servers are installed in a single application server instance, they write lines to a common Pega log file. To prevent this from occurring, you can change the name or path of the Pega log for a node by modifying the prlog4j2.xml file.
In the following example, the log file name starts with PEGABLUE:
filePattern="${sys:pega.tmpdir}/PegaBLUE-%d{MM-dd-yyyy}-%i.log.gz">