The following log is not rotated for any domain:
Recalculating statistics with the following command does not fix the issue:
plesk sbin statistics --calculate-one --domain-name=[example.com]
This has been reported as bug ID PPPM-11104 which will be fixed in future updates.
Configure logs to be rotated on size in Domains > example.com > Logs > Manage Logs files > Log Rotation: