pcs commands take a long time to complete when the nofile ulimit is high in a High Availability cluster

Solution In Progress - Updated -

Issue

  • pcs status takes several seconds to complete, while crm_mon --one-shot --inactive returns immediately.
  • The command pcs status is slow to print the output.

Environment

  • Red Hat Enterprise Linux 7 (with the High Availability Add-on)
  • nofile (number of open files) ulimit is set to a high value

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