rsyslog tuning for server receiving logs from high quantity of remote hosts

Solution Verified - Updated -


  • Creating a central log server with the ability to accept logs from multiple remote systems
  • Looking to tune rsyslog to ensure logs are not dropped
  • High volume of system logging causes rsyslog CPU utilization problems
  • How to allow rsyslog to allow for additional CPU threads


  • Red Hat Enterprise Linux 6 (RHEL 6)
  • Red Hat Enterprise Linux 7 (RHEL 7)
  • Red Hat Enterprise Linux 8 (RHEL 8)
  • rsyslogd receiving UDP log messages from many remote hosts

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