Swap usage is at 100% and need to find out what processes are using swap and reduce swap usage

Solution Verified - Updated -

Issue

  • Swap memory usage is at 100%, which is above the error threshold (50%). Please assist to find out the cause and suggest steps of how to decrease swap usage.

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • swap

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