How to configure rsyslog queues to multiple remote servers

Solution Verified - Updated -

Issue

  • Slowing down machine if syslog server not available
  • We had an issue where the syslog was slowing down a machine because one of the syslog servers was not available.
  • Currently we forward everything to 2 syslog servers with the following rules
     *.*             @@loghost1.example.org
     *.*             @@loghost2.example.org
  • What would be the best solution to prevent the system from slowing down? I was thinking of using queues.
   $WorkDirectory /var/spool/rsyslog 
   $ActionQueueType LinkedList     
   $ActionQueueFileName rsyslog 
   $ActionResumeRetryCount -1 
   $ActionQueueSaveOnShutdown on 
   $ActionResumeInterval 10
   $ActionQueueSize 50000 
   $ActionQueueDiscardMark 40000 
   $ActionQueueHighWaterMark 40000  
   $ActionQueueCheckpointInterval 100
   $ActionQueueMaxDiskSpace 2g
   $ActionQueueTimeoutEnqueue 10
   $ActionQueueDiscardSeverity 0
  • Is there better ways to solve this issue?
  • We don't like to use disk queues but just memory.
  • I guess I still need to define the QueueFileName as I have to use 2 different queues.
  • How can I prevent from dumping to disk?

Environment

  • Red Hat Enterprise Linux 6
  • rsyslog

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