Performance issues and error in xinit.log with service_limit failure using RSA Via Lifecycle and Governance (L&G) on Red Hat appliances
3 years ago
Originally Published: 2016-02-25
Article Number
000055390
Applies To
RSA Product Set: Identity Management and Governance
RSA Product/Service Type: Appliance
Platform: Red Hat Linux
 
Issue
There is slow performance during heavy load (such as large reviews involving 1000+ reviewers) and severe system lag including the login page failing to fully load with only 50-75 simultaneous connections

The xinetd.log (usually located under /var/log directory) shows the following error: 
  
FAIL: https service_limit from=<server IP address>
Cause
Red Hat documentation on TCP Wrappers and xinetd indicates that the instances entry sets the maximum number of requests xinetd can handle at once.  By default the L&G appliance is set to use the default number of instances, which is 30.

When the number of instances of the TCP wrapper is maxed out, the system would experience slowness/contention on the UI with the higher number of simultaneous connections.
 

 

 

Resolution
Increase the number of instances in the /etc/xinetd.conf, by doubling or more the instances value.

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