sinatra_cmdline_wrapper.rb processes from the PCSD web UI cause CPU spikes in a RHEL 8 High Availability cluster

Solution Verified - Updated -


  • Managing a cluster via the PCSD web interface causes high CPU utilization on the cluster nodes about every 20 seconds.


  • Red Hat Enterprise Linux 8 (with the High Availability Add-on)
  • PCSD web UI

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content