Does belonging to multiple groups affect performance or increase memory requirement

Solution Verified - Updated -

Issue

  • Is there any penalty in terms of performance and memory usage when a user belongs to many groups.
  • If yes: Is there any way to calculate the impact of belonging to 10,100,1000 etc. groups?

Environment

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

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